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Number of Zones Learn More
Number of Zones
A zone is a room or area within a building that has its own temperature control.
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Type
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DOE Heating Capacity (BTU) Learn More
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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Net I=B=R Capacity (BTU) Learn 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.
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Heating BTU
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Cooling BTU
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Capacity (Tons) Learn More
Capacity (Tons)
Tonnage, or tons of cooling, is a short hand method for describing the capacity of cooling equipment. One ton is equal to approximately 12 kBTU/hr.
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Maximum Number of Zones
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Maximum Input Capacity (BTU) Learn 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.
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AFUE (%) Learn More
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.
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Efficiency (%)
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Style
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Refrigerant Type
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Learn More About Buderus 7746900845acw-sale-badge
Buderus Cascade Module
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Buderus - 7746900845 - Cascade Module - MCM10 - For GB142 and GB162 Boilers
Item#: 37404
Model#: 7746900845
Brand: Buderus
$939.00
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Buderus Cascade Module
Learn More About AIC Alliance LA14-30acw-sale-badge
AIC Single Wall Flat Plate to Plate Heat Exchanger 7.6'' L x 3.1'' W
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AIC Flat Plate to Plate Heat Exchanger Single Wall, 7.6'' L x 3.1'' W
Item#: 44973
Model#: LA14-30
Brand: AIC Alliance
$247.00
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AIC Single Wall Flat Plate to Plate Heat Exchanger 7.6'' L x 3.1'' W
Learn More About WSD WSD 18X20acw-sale-badge
WSD 18H x 20L Water to Air Heat Exchanger 49,000-133,000 BTU
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WSD 18H x 20L Water to Air Heat Exchanger 49,000-133,000 BTU
Item#: 45155
Model#: WSD 18X20
Brand: WSD
$419.00
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WSD 18H x 20L Water to Air Heat Exchanger 49,000-133,000 BTU
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WSD 20H x 20L Water to Air Heat Exchanger 50,000-145,000 BTU
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WSD 20H x 20L Water to Air Heat Exchanger 50,000-145,000 BTU
Item#: 45159
Model#: WSD 20X20
Brand: WSD
$463.00
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WSD 20H x 20L Water to Air Heat Exchanger 50,000-145,000 BTU
Learn More About Reznor X-300acw-sale-badge
Reznor 300,000 BTU Gas Fired Duct Furnace Natural Gas
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Reznor X-300 Gas Fired Duct Furnace, Gravity Vented, NG, Aluminized Heat Exchanger - 300,000 BTU, 120V, single-stage gas valve, 80% efficiency, 2455-4420 CFM
Item#: 47459
Model#: X-300
Brand: Reznor
$4,640.00
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Reznor 300,000 BTU Gas Fired Duct Furnace Natural Gas
Learn More About Modine 91655acw-sale-badge
Modine 60 Degrees - Downward Air Deflector Hood
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Modine - 91655 - 60 Degrees - Downward Air Deflector Hood - For Modine BDP300 and PDP300 Unit Heaters
Item#: 48097
Model#: 91655
Brand: Modine
$211.00
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Modine 60 Degrees - Downward Air Deflector Hood
Learn More About Modine HC47S01acw-sale-badge
Modine HC - 47,000 BTU - Hot Water/Steam Unit Heater - Horizontal - Copper Heat Exchanger - Side Connections
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Modine - HC47S01 - 47,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
Item#: 48327
Model#: HC47S01
Brand: Modine
$891.00
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Modine HC - 47,000 BTU - Hot Water/Steam Unit Heater - Horizontal - Copper Heat Exchanger - Side Connections
Learn More About Modine HD75SS0121acw-sale-badge
Modine Hot Dawg HD - 75,000 BTU - Unit Heater - LP - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
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Modine - HD75SS0121 - 75,000 BTU - Hot Dawg HD Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase
Item#: 48436
Model#: HD75SS0121
Brand: Modine
$1,505.00
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Modine Hot Dawg HD - 75,000 BTU - Unit Heater - LP - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
Learn More About Modine HSB121S01acw-sale-badge
Modine HSB - 121,000 BTU - Hot Water/Steam Unit Heater - Horizontal - Copper Heat Exchanger - Top/Bottom Connections
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Modine - HSB121S01 - 121,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
Item#: 48466
Model#: HSB121S01
Brand: Modine
Sale: $1,369.00
On Sale Through 04/30
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Free Lift Gate
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Modine HSB - 121,000 BTU - Hot Water/Steam Unit Heater - Horizontal - Copper Heat Exchanger - Top/Bottom Connections
Learn More About Modine HSB165S01acw-sale-badge
Modine HSB - 165,000 BTU - Hot Water/Steam Unit Heater - Horizontal - Copper Heat Exchanger - Top/Bottom Connections
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Modine - HSB165S01 - 165,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
Item#: 48467
Model#: HSB165S01
Brand: Modine
Sale: $1,600.00
On Sale Through 04/30
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Free Lift Gate
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Modine HSB - 165,000 BTU - Hot Water/Steam Unit Heater - Horizontal - Copper Heat Exchanger - Top/Bottom Connections
Learn More About Modine PTP200SS0111acw-sale-badge
Modine PTP - 200,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
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Modine - PTP200SS0111 - 200,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48581
Model#: PTP200SS0111
Brand: Modine
Sale: $1,914.00
On Sale Through 04/30
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Free Lift Gate
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Modine PTP - 200,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
Learn More About Modine PTP400SS0121acw-sale-badge
Modine PTP - 400,000 BTU - Unit Heater - LP - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
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Modine - PTP400SS0121 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48588
Model#: PTP400SS0121
Brand: Modine
$3,516.00
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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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Modine PTP - 400,000 BTU - Unit Heater - LP - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
Learn More About Modine V42S01acw-sale-badge
Modine V - 42,000 BTU - Hot Water/Steam Unit Heater - Vertical - Copper Heat Exchanger
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Modine - V42S01 - 42,000 BTU - Hot Water/Steam Unit Heater - Vertical Orientation - Copper Heat Exchanger - 115V/60Hz/1 Phase
Item#: 48813
Model#: V42S01
Brand: Modine
$897.00
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Modine V - 42,000 BTU - Hot Water/Steam Unit Heater - Vertical - Copper Heat Exchanger
Learn More About Weil-McLain 382200611acw-sale-badge
Weil-McLain GV90+4 - 97K BTU - 91.2% AFUE - Hot Water Gas Boiler - Direct Vent
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Floor Mounted, Cast Iron Condensing Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 105K BTU Gross Input, 97K BTU DOE Capacity, 84K BTU Net IBR Capacity. Includes Circulator.
Item#: 49647
Model#: 382200611
Brand: Weil-McLain
$3,915.00
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Free Lift Gate
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Weil-McLain GV90+4 - 97K BTU - 91.2% AFUE - Hot Water Gas Boiler - Direct Vent
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