Burnham Gas Hot Water Boilers

Filters

Shop More Categories

NEW Referral Program

Refer New Customers & Get Rewarded - Up to $100 For Each New Referral

Offer Ends Start Referring Today

Sort Filters

Sort By

Filter ▼

Filters

Fuel Type

To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.

Liquid Propane (20)

Natural Gas (58)

Natural or Propane Gas (5)

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.

84 (59)

85 (5)

95 (16)

96 (2)

Combustion Type

Condensing appliances use leftover thermal energy from combustion gases to heat water in a secondary heat exchanger, resulting in higher efficiency and lower exhaust temperature.

Adaptive (5)

Condensing (14)

Conventional (64)

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 (1)

No (80)

Yes (2)

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.

30000 - 49999 (2)

50000 - 69999 (9)

70000 - 89999 (11)

90000 - 109999 (3)

110000 - 129999 (11)

130000 - 149999 (13)

150000 - 169999 (1)

170000 - 189999 (10)

190000 - 209999 (10)

230000 - 249999 (8)

250000 - 269999 (2)

290000 - 309999 (1)

370000+ (2)

+ Show More

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 - 59999 (2)

60000 - 89999 (11)

90000 - 119999 (10)

120000 - 149999 (11)

150000 - 179999 (15)

180000 - 209999 (4)

210000 - 239999 (8)

240000 - 269999 (8)

270000 - 299999 (11)

300000 - 329999 (1)

390000+ (2)

+ Show More

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.

20000 - 39999 (2)

40000 - 59999 (9)

60000 - 79999 (11)

80000 - 99999 (5)

100000 - 119999 (10)

120000 - 139999 (12)

140000 - 159999 (10)

160000 - 179999 (9)

180000 - 199999 (1)

200000 - 219999 (10)

220000 - 239999 (1)

260000 - 279999 (1)

320000 - 339999 (2)

+ Show More

Heat Exchanger Material

Cast Iron (64)

Stainless Steel (7)

Modulating/Staging

Stages are unique speeds or levels that equipment can operate at. More stages allow for better fine-tuned control of output, which improves comfort and efficiency. Modulating equipment can operate across a range of levels, giving the highest level of fine-tuned control.

Modulating (19)

Staging (64)

Mount Type

Floor (66)

Wall (17)

Product Line

Alpine (6)

Alta (5)

Aspen (7)

ES2 (7)

K2 (1)

Series 2 (16)

Series 3 (13)

X-2 (28)

+ Show More

Vent Type

Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.

Chimney Vent (64)

Direct Vent (19)

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.

Combi (2)

Hot Water (81)

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 (70)

Yes (13)

Product Height (Inches)

29 - 30 (6)

31 - 32 (20)

33 - 34 (5)

39 - 40 (28)

41 - 42 (20)

43 - 44 (2)

45 - 46 (2)

+ Show More

Local Pickup FAQ's

What is Local Pickup?

Answer: This and many other products are now available for order online and pickup at the Power Equipment Direct warehouse in Bolingbrook, Illinois or at a Ferguson Supply location near you.

How Do I Update My Pickup Location?

Answer: The nearest pickup location within a 50-mile radius is automatically chosen when you enter the site. To change your pickup location and see availability for other nearby locations, click the "Change Pickup Location" link on the product page or in the cart.

How Do I Place a Local Pickup Order?

Answer: Eligible items will have the Local Pickup option available both on the product page and in the cart. Select this option for all items you wish to pick up. Please note that Local Pickup can only be scheduled online at this time.

When Can Items Be Picked Up?

Answer: Items are usually ready for pickup the same day the online order is placed, but this will depend on order volume and time of day. When your order is ready, you will receive an email including specific pickup instructions. Orders that have not been picked up within two business days may be cancelled. You should opt to have your items shipped if you are not able to pick them up promptly.

Who Can Pick Up My Order?

Answer: You will be prompted to enter the name, mobile phone, and email address of the person who will be picking up the order during checkout. We will use this information to ensure the order is picked up by an authorized individual.

Why Can't I Select Local Pickup for Some Items?

Answer: Not all items are available at all locations, so pickup availability will vary based on the selected store. Additionally, some items ship directly from our manufacturer partners and are not available for pickup. You can use the "Change Pickup Location" link to check for availability at nearby Local Pickup locations.

Why Can't I Select Shipping for Some Items?

Answer: Due to packaging, shipping costs, and other factors, some items cannot be shipped and are offered exclusively through Local Pickup.

Which Payment Methods Are Accepted?

Answer: Credit/debit cards, Apple Pay, Google Pay, PayPal, and financing are accepted for Local Pickup orders.

Compare

Burnham K2 - 100k BTU - 95% AFUE - Hot Water Gas Boiler - Direct Vent