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Net I=B=R Capacity (BTU)
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Net I=B=R Capacity (BTU)
I=B=R, also referred to as Net Output or AHRI Capacity, is the rated heat output of a boiler after accounting for combustion efficiency, piping loss, and an extra pickup factor. We recommend sizing steam boilers based on the I=B=R rating.
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20000 - 129999 (107)
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DOE Heating Capacity (BTU)
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DOE Heating Capacity (BTU)
Also referred to as Gross Output, this is the output of a boiler after accounting for combustion efficiency. We recommend sizing hot water boilers based on the DOE Heating Capacity.
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30000 - 89999 (50)
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Maximum Input Capacity (BTU)
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Maximum Input Capacity (BTU)
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
30000 - 149999 (71)
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AFUE (%)
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AFUE (%)
AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace.
81 (45)
82 (54)
83 (25)
84 (84)
85 (5)
Medium
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Medium
Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
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DHW Production
DHW (Domestic Hot Water) is potable water for uses other than space heat. Some boilers are able to provide DHW "out of the box", while others can do so with the purchase of optional accessories.
Available (18)
No (175)
Yes (15)
Product Height (Inches)
28 - 29 (17)
32 - 33 (61)
38 - 39 (15)
40 - 41 (80)
44 - 45 (9)
50 - 51 (40)
Price
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1000 - 1799 (12)
1800 - 2599 (56)
2600 - 3399 (53)
3400 - 4199 (34)
4200 - 4999 (16)
5000 - 5799 (3)
5800 - 6599 (8)
6600 - 7399 (3)
7400 - 8199 (2)
8200 - 8999 (2)
9000 - 9799 (1)
9800 - 10599 (2)
10600 - 11399 (1)
11400 - 12199 (1)
12200 - 12999 (2)
13000 - 13799 (2)
13800 - 14599 (1)
14600 - 15399 (1)
15400 - 16199 (2)
16200 - 16999 (1)
17000 - 17799 (2)
17800 - 18599 (2)
18600 - 19399 (1)
19400 - 20199 (2)
20200 - 20999 (1)
21000 - 21799 (1)
21800 - 22599 (2)
22600 - 23399 (2)
24200 - 24999 (2)
25000 - 25799 (2)
25800 - 26599 (1)
26600+ (1)
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Efficiency (%)
77 (3)
82 (3)
Ultra Low NOx Emissions
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Ultra Low NOx Emissions
NOx is a byproduct of the combustion process, and it's output is regulated in some jurisdictions. Many regulators mirror SCAQMD rules, which regulate air quality for some parts of Southern California. Ultra Low NOx appliances emit less than 10-14 ng/J (nanogram per Joule) of NOx.
No (208)
Yes (14)
Product Width (Inches)
9 - 13 (16)
14 - 18 (41)
19 - 23 (43)
24 - 28 (39)
29 - 33 (26)
34 - 38 (14)
39 - 43 (8)
44 - 48 (3)
49 - 53 (4)
54 - 58 (4)
59 - 63 (2)
64 - 68 (2)
69 - 73 (2)
74 - 78 (2)
79 - 83 (2)
84 - 88 (2)
89 - 93 (2)
94 - 98 (2)
99 - 103 (2)
104 - 108 (2)
109 - 113 (2)
114 - 118 (2)
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Product Depth (Inches)
23 - 24 (17)
25 - 26 (15)
27 - 28 (79)
29 - 30 (20)
31 - 32 (9)
33 - 34 (34)
45 - 46 (40)
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Input Rate (GPH)
38 - 57 (1)
58 - 77 (2)
98 - 117 (2)
118 - 137 (1)
138 - 157 (1)
158 - 177 (2)
198 - 217 (2)
238 - 257 (2)
258 - 277 (1)
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Weil-McLain 125K 82.8% Steam NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 200K BTU Gross Input, 167K BTU DOE Capacity, 125K BTU Net IBR Capacity.
Item#:
49868
Model#:
PEG-55-S-PIDN
Brand:
Weil-McLain
$3,744.03
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Burnham X-2 146K BTU 84% AFUE Hot Water Boiler Chimney Vent NG
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Grundfos Circulator and LWCO. Ratings: 175K BTU Gross Input, 146K BTU DOE Capacity, 127K BTU Net IBR Capacity.
Item#:
82228
Model#:
X-206N-GH
Brand:
Burnham
$2,394.00
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20 In-Stock
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Burnham X-2 146K BTU 84% AFUE Hot Water Boiler Chimney Vent NG
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Burnham Series 2 116k BTU 84% AFUE Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Grundfos Circulator and LWCO. Ratings: 138K BTU Gross Input, 116K BTU DOE Capacity, 101K BTU Net IBR Capacity.
Item#:
102569
Model#:
205EN-G0
Brand:
Burnham
$2,370.00
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36 In-Stock
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Burnham Series 2 116k BTU 84% AFUE Hot Water NG Boiler Chimney Vent
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Burnham Series 2 116k BTU 84% AFUE Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 138K BTU Gross Input, 116K BTU DOE Capacity, 101K BTU Net IBR Capacity.
Item#:
102570
Model#:
205EN-T0
Brand:
Burnham
$2,370.00
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Ships in 3-4 Weeks
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Burnham Series 2 116k BTU 84% AFUE Hot Water NG Boiler Chimney Vent
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Burnham Series 2 202k BTU 84% AFUE Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Grundfos Circulator and LWCO. Ratings: 241K BTU Gross Input, 202K BTU DOE Capacity, 176K BTU Net IBR Capacity.
Item#:
102574
Model#:
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Brand:
Burnham
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Burnham Series 2 202k BTU 84% AFUE Hot Water NG Boiler Chimney Vent
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Crown Boiler Co. 84% AFUE 176k BTU Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 210K BTU Gross Input, 176K BTU DOE Capacity, 153K BTU Net IBR Capacity. Includes Taco Circulator.
Item#:
103099
Model#:
AWR210BNST3PSU
Brand:
Crown Boiler Co.
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Free Lift Gate
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Ships in 2-5 Business Days
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Crown Boiler Co. 84% AFUE 176k BTU Hot Water NG Boiler Chimney Vent
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Crown Boiler Co. 81.4% AFUE 309k BTU Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 380K BTU Gross Input, 309K BTU DOE Capacity, 269K BTU Net IBR Capacity. Includes Taco Circulator.
Item#:
103135
Model#:
CWI380ENTT1PSU
Brand:
Crown Boiler Co.
$6,206.10
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Free Lift Gate
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Free Lift Gate
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Ships in 2-5 Business Days
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Crown Boiler Co. 81.4% AFUE 309k BTU Hot Water NG Boiler Chimney Vent
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Crown Boiler Co. 82.1% AFUE 107k BTU Steam NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 172K BTU Gross Input, 142K BTU DOE Capacity, 107K BTU Net IBR Capacity.
Item#:
103175
Model#:
BSI172ENPZZP7U
Brand:
Crown Boiler Co.
$3,025.92
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Free Lift Gate
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Free Lift Gate
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Ships in 2-5 Business Days
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Crown Boiler Co. 82.1% AFUE 107k BTU Steam NG Boiler Chimney Vent
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Weil-McLain CGa-5-PIDN - 117K BTU - 83.5% AFUE - Hot Water Gas Boiler - Chimney Vent
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Item#:
109083
Model#:
381359076
Brand:
Weil-McLain
$2,243.29
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Free Lift Gate
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Free Lift Gate
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Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
103 In-Stock
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Weil-McLain CGa-5-PIDN - 117K BTU - 83.5% AFUE - Hot Water Gas Boiler - Chimney Vent
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Weil-McLain CGa-4-PIDN - 88K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
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Item#:
109093
Model#:
381359103
Brand:
Weil-McLain
$2,171.00
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Free Lift Gate
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6 In-Stock
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Weil-McLain CGa-4-PIDN - 88K BTU - 84.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (7000 - 10000 ft)
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Weil-McLain CGa-7-PIDN - 175K BTU - 83.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
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Item#:
109098
Model#:
381359108
Brand:
Weil-McLain
$3,123.00
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Free Lift Gate
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Free Lift Gate
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Low Price Guarantee
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Ships in 2-5 Business Days
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Weil-McLain CGa-7-PIDN - 175K BTU - 83.0% AFUE - Hot Water Gas Boiler - Chimney Vent - High Altitude Version (4500 - 7000 ft)
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ProSelect® Force™ 128k BTU 82.1% AFUE Steam Gas Boiler Chimney Vent
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Item#:
111059
Model#:
FORCESTEAM07NH
Brand:
ProSelect Force Boilers
$2,535.05
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Low Price Guarantee
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
28 In-Stock
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ProSelect® Force™ 128k BTU 82.1% AFUE Steam Gas Boiler Chimney Vent
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ProSelect® Force™ 50k BTU 84% AFUE Hot Water Gas Boiler Chimney Vent
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Item#:
111065
Model#:
FORCE03ENRHG1
Brand:
ProSelect Force Boilers
$1,559.40
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Low Price Guarantee
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
72 In-Stock
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ProSelect® Force™ 50k BTU 84% AFUE Hot Water Gas Boiler Chimney Vent
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ProSelect® Force™ 99k BTU 84% AFUE Hot Water Gas Boiler Chimney Vent
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Item#:
111071
Model#:
FORCE05ENRHG1
Brand:
ProSelect Force Boilers
$1,881.60
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Low Price Guarantee
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
250 In-Stock
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ProSelect® Force™ 99k BTU 84% AFUE Hot Water Gas Boiler Chimney Vent
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Crown Boiler Co. 82% AFUE 128k BTU Steam NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 207K BTU Gross Input, 171K BTU DOE Capacity, 128K BTU Net IBR Capacity.
Item#:
24037
Model#:
BSI207ENPZZPSU
Brand:
Crown Boiler Co.
$3,040.00
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Free Lift Gate
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Free Lift Gate
*This product qualifies for
Free Lift Gate Service
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Low Price Guarantee
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 2-5 Business Days
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Crown Boiler Co. 82% AFUE 128k BTU Steam NG Boiler Chimney Vent
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Crown Boiler Co. 82% AFUE 172k BTU Steam NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 276K BTU Gross Input, 229K BTU DOE Capacity, 172K BTU Net IBR Capacity.
Item#:
24041
Model#:
BSI276ENPZZPSU
Brand:
Crown Boiler Co.
$3,600.00
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Free Lift Gate
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Free Lift Gate
*This product qualifies for
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Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 2-5 Business Days
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Crown Boiler Co. 82% AFUE 172k BTU Steam NG Boiler Chimney Vent
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Crown Boiler Co. 78% AFUE 180k BTU Thermal Efficiency Steam NG Boiler
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 310K BTU Gross Input, 240K BTU DOE Capacity, 180K BTU Net IBR Capacity.
Item#:
24042
Model#:
BSI311ENPZZPSU
Brand:
Crown Boiler Co.
$4,127.89
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Crown Boiler Co. 78% AFUE 180k BTU Thermal Efficiency Steam NG Boiler
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Crown Boiler Co. 78% AFUE 200k BTU Thermal Efficiency Steam NG Boiler
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 345K BTU Gross Input, 267K BTU DOE Capacity, 200K BTU Net IBR Capacity.
Item#:
24043
Model#:
BSI346ENPZZPSU
Brand:
Crown Boiler Co.
$4,522.72
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anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for
Free Lift Gate Service
. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
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Crown Boiler Co. 78% AFUE 200k BTU Thermal Efficiency Steam NG Boiler
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Crown Boiler Co. 78% AFUE 221k BTU Thermal Efficiency Steam NG Boiler
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 379K BTU Gross Input, 294K BTU DOE Capacity, 221K BTU Net IBR Capacity.
Item#:
24044
Model#:
BSI380ENPZZPSU
Brand:
Crown Boiler Co.
$4,767.14
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*This product qualifies for
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anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for
Free Lift Gate Service
. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
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Crown Boiler Co. 78% AFUE 221k BTU Thermal Efficiency Steam NG Boiler
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Crown Boiler Co. 83% AFUE 86k BTU Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 103K BTU Gross Input, 86K BTU DOE Capacity, 75K BTU Net IBR Capacity. Includes Circulator.
Item#:
24080
Model#:
CWI103ENTT1PSU
Brand:
Crown Boiler Co.
$3,040.00
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anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for
Free Lift Gate Service
. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
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Crown Boiler Co. 83% AFUE 86k BTU Hot Water NG Boiler Chimney Vent
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Crown Boiler Co. 83% AFUE 115k BTU Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 138K BTU Gross Input, 115K BTU DOE Capacity, 100K BTU Net IBR Capacity. Includes Circulator.
Item#:
24082
Model#:
CWI138ENTT1PSU
Brand:
Crown Boiler Co.
$3,240.00
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Free Shipping
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Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for
Free Lift Gate Service
. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
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Crown Boiler Co. 83% AFUE 115k BTU Hot Water NG Boiler Chimney Vent
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Crown Boiler Co. 83% AFUE 173k BTU Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 207K BTU Gross Input, 173K BTU DOE Capacity, 150K BTU Net IBR Capacity. Includes Circulator.
Item#:
24086
Model#:
CWI207ENTT1PSU
Brand:
Crown Boiler Co.
$4,000.00
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Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for
Free Lift Gate Service
. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
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Crown Boiler Co. 83% AFUE 173k BTU Hot Water NG Boiler Chimney Vent
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Crown Boiler Co. 83% AFUE 201k BTU Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 241K BTU Gross Input, 201K BTU DOE Capacity, 175K BTU Net IBR Capacity. Includes Circulator.
Item#:
24088
Model#:
CWI241ENTT1PSU
Brand:
Crown Boiler Co.
$4,080.00
Free Shipping
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Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Free Lift Gate
×
Free Lift Gate
*This product qualifies for
Free Lift Gate Service
. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Low Price Guarantee
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Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
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Crown Boiler Co. 83% AFUE 201k BTU Hot Water NG Boiler Chimney Vent
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Crown Boiler Co. 83% AFUE 230k BTU Hot Water NG Boiler Chimney Vent
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Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 276K BTU Gross Input, 230K BTU DOE Capacity, 200K BTU Net IBR Capacity. Includes Circulator.
Item#:
24090
Model#:
CWI276ENTT1PSU
Brand:
Crown Boiler Co.
$4,330.00
Free Shipping
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Free Shipping
*This product qualifies for
Free Shipping
anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Free Lift Gate
×
Free Lift Gate
*This product qualifies for
Free Lift Gate Service
. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
Low Price Guarantee
×
Low Price Guarantee
Shop with Confidence knowing you have the Right system at the Right Price and shipped Right Away. We strive to give our customers the best price and service possible. If you happen to find a better price on your product(s) up to 30 days after your purchase let us know and we will match the price of any online competitor. Simply call our sales or customer service department at 866-631-6389 and one of our representatives will be happy to price match the product(s) for you.
Ships in 2-5 Business Days
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Crown Boiler Co. 83% AFUE 230k BTU Hot Water NG Boiler Chimney Vent
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