Heater Accessories

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Williams - P322016 - Millivolt Thermostat
Item#: 68442
Model#: P322016
Brand: Williams
$39.00
In-Stock

Caleffi - Series 940 - Radiator Adapter - 1/2" M Straight x 3/4" M Conical Connection, Package of 2

Item#: 24891
Model#: 940451
Brand: Caleffi
$12.83
In-Stock
Caleffi Thermostatic Control Head with Built-in Sensor, 45-82 F Temperature Range, used with radiator valves
Item#: 24960
Model#: 200000
Brand: Caleffi
$40.54
In-Stock
Williams - 2901 - Top Vent Blower Kit - For Williams 25098XX, 35098XX, and 50098XX Furnaces
Item#: 68436
Model#: 2901
Brand: Williams
$175.00
In-Stock

Caleffi 1/2" Sweat Connection Fitting, chrome plated nut

Item#: 24249
Model#: NA10262
Brand: Caleffi
$7.65
In-Stock
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
Item#: 24890
Model#: 682540A
Brand: Caleffi
$7.00
In-Stock
Williams - 9929 - Vent Starter Kit - For Williams' Top-Vent Furnaces
Item#: 71160
Model#: 9929
Brand: Williams
$249.00
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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.
In-Stock
Caleffi Series 681 Universal PEX Fitting, 1/2" Nominal PEX Connection, 150 psi max - QTY:1
Item#: 24889
Model#: 681524
Brand: Caleffi
$11.77
Not For Individual Sale
Caleffi AutoFIll Combo Automatic Boiler Fill Valve with Backflow Preventer, Pressure Indicator, 1/2" FNPT Inlet x 1/2" NPT Female Outlet
Item#: 25898
Model#: 573002A
Brand: Caleffi
$146.41
In-Stock
Caleffi Two-pipe Angled Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
Item#: 25001
Model#: 301140
Brand: Caleffi
$33.54
In-Stock
Caleffi Two-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
Item#: 25002
Model#: 301040
Brand: Caleffi
$33.54
In-Stock
Caleffi 3/4" Nominal Universal PEX Fittings, ASTM Pipe Size
Item#: 24350
Model#: 680505A
Brand: Caleffi
$6.86
In-Stock
Ecostyle - RV-8RADSNAP - 8" Length - 1/2" Radsnap Pipe Covering - White
Item#: 24183
Model#: RV-8RADSNAP
Brand: Ecostyle
$9.00
Factory-Direct

Ecostyle - RV-12550 - Rectangular Escutcheon Plate - White

Item#: 24181
Model#: RV-12550
Brand: Ecostyle
$11.00
Factory-Direct
Modine - 27867 - 5" Diameter - Vent Cap - For Modine BDP150, BDP175, BDP200, PDP150, PDP175, and PDP200 Unit Heaters
Item#: 48087
Model#: 27867
Brand: Modine
$118.00
In-Stock
Caleffi 1/2" Nominal Universal PEX Fittings, ASTM Pipe Size
Item#: 24245
Model#: 680504A
Brand: Caleffi
$6.86
In-Stock
Williams - 4167 - Floor Board - For Select Williams' Vented Room Console Heaters
Item#: 71272
Model#: 4167
Brand: Williams
$109.00
Factory-Direct
Amtrol 7.6 Gall In-Line Boiler Expansion Tank 1/2" NPT
Item#: 45595
Model#: EX-60
Brand: Amtrol
$135.00
In-Stock
Modine - 56961 - Ceiling Mounting Brackets - Model Sizes 100,000 BTU to 125,000 BTU and PTC Size 55,000 BTU - For Modine HD100, HD125, HDB100, HDB125, HDC100, HDC125, HDS100, HDS125, PTC55, PTC65, PTC85, And PTC110 Unit Heaters
Item#: 48181
Model#: 56961
Brand: Modine
$97.00
Factory-Direct
Williams - 2102 - Automatic Blower - For Williams' Vented Room Console Heaters
Item#: 71270
Model#: 2102
Brand: Williams
$350.00
Free Shipping
Learn More
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.
In-Stock
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
Item#: 24614
Model#: 127341AFG50
Brand: Caleffi
$78.75
Factory-Direct
Caleffi One-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
Item#: 24790
Model#: 301241
Brand: Caleffi
$58.70
In-Stock
Williams - 6802 - Rear Outlet Register - For Williams' Forsaire Furnaces
Item#: 71278
Model#: 6802
Brand: Williams
$129.00
Factory-Direct