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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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Learn More About Triangle Tube PSRKIT50acw-sale-badge
Triangle Tube MCBA5 Control Module for Prestige Solo Boilers, Revision 5
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Triangle Tube MCBA5 Control Module for Prestige Solo Boilers, Revision 5
Item#: 23114
Model#: PSRKIT50
Brand: Triangle Tube
$545.00
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Triangle Tube MCBA5 Control Module for Prestige Solo Boilers, Revision 5
Learn More About Ecostyle ECS123222CVacw-sale-badge
Ecostyle - 3,414 BTU - Hot Water Panel Radiator - 12"H x 32"W - White
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Ecostyle - B-12.32 ECO - 3,414 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 12"H x 32"W - White
Item#: 24144
Model#: ECS123222CV
Brand: Ecostyle
Sale: $236.00
On Sale Through 05/31
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Ecostyle - 3,414 BTU - Hot Water Panel Radiator - 12"H x 32"W - White
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Ecostyle - 4,266 BTU - Hot Water Panel Radiator - 12"H x 40"W - White
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Ecostyle - B-12.40 ECO - 4,266 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 12"H x 40"W - White
Item#: 24145
Model#: ECS124022CV
Brand: Ecostyle
Sale: $267.00
On Sale Through 05/31
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Ecostyle - 4,266 BTU - Hot Water Panel Radiator - 12"H x 40"W - White
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Ecostyle - 6,526 BTU - Hot Water Panel Radiator - 20"H x 40"W - White
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Ecostyle - B-20.40 ECO - 6,526 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 20"H x 40"W - White
Item#: 24155
Model#: ECS204022CV
Brand: Ecostyle
Sale: $512.00
On Sale Through 05/31
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Ecostyle - 6,526 BTU - Hot Water Panel Radiator - 20"H x 40"W - White
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Ecostyle - 9,137 BTU - Hot Water Panel Radiator - 20"H x 56"W - White
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Ecostyle - B-20.56 ECO - 9,137 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 20"H x 56"W - White
Item#: 24156
Model#: ECS205622CV
Brand: Ecostyle
$624.00
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Ecostyle - 9,137 BTU - Hot Water Panel Radiator - 20"H x 56"W - White
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Ecostyle - 7,587 BTU - Hot Water Panel Radiator - 16"H x 56"W - White
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Ecostyle - B-16.56 ECO - 7,587 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 16"H x 56"W - White
Item#: 24174
Model#: ECS165622CV
Brand: Ecostyle
Sale: $570.00
On Sale Through 05/31
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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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Ecostyle - 7,587 BTU - Hot Water Panel Radiator - 16"H x 56"W - White
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Ecostyle - 9,758 BTU - Hot Water Panel Radiator - 16"H x 71"W - White
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Ecostyle - B-16.71 ECO - 9,758 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 16"H x 71"W - White
Item#: 24176
Model#: ECS167122CV
Brand: Ecostyle
Sale: $645.00
On Sale Through 05/31
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Ecostyle - 9,758 BTU - Hot Water Panel Radiator - 16"H x 71"W - White
Learn More About Caleffi NA553362acw-sale-badge
Caleffi Boiler Trim Kit, 1" NPT Connections w/ BackFlow Preventer & 4.4 gal Expansion Tank
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Caleffi Boiler Trim Kit, 1" NPT Connections w/ BackFlow Preventer & 4.4 gal Expansion Tank
Item#: 24469
Model#: NA553362
Brand: Caleffi
$472.00
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Caleffi Boiler Trim Kit, 1" NPT Connections w/ BackFlow Preventer & 4.4 gal Expansion Tank
Learn More About Watts Radiant 086101-600acw-sale-badge
Watts Radiant Onix - 5/8" Diameter - Radiant Tubing - 600' Length
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Watts Radiant - 086101-600 - 5/8" Onix Radiant Tubing - 600' Length - Order Number: 81001616
Item#: 25611
Model#: 086101-600
Brand: Watts Radiant
$3,138.00
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Free Lift Gate
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Free Lift Gate
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Watts Radiant Onix - 5/8" Diameter - Radiant Tubing - 600' Length
Learn More About Caleffi 573009Aacw-sale-badge
Caleffi Auto Fill Combo Automatic Boiler Fill Valve with Backflow Preventer, Pressure Indicator, 1/2" Sweat Inlet x 1/2" FNPT Outlet
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Caleffi AutoFIll Combo Automatic Boiler Fill Valve with Backflow Preventer, Pressure Indicator, 1/2" Sweat Inlet x 1/2" FNPT Outlet
Item#: 25933
Model#: 573009A
Brand: Caleffi
$163.00
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Caleffi Auto Fill Combo Automatic Boiler Fill Valve with Backflow Preventer, Pressure Indicator, 1/2" Sweat Inlet x 1/2" FNPT Outlet
Learn More About Caleffi 280175Aacw-sale-badge
Caleffi ThermoMix - High-Flow Boiler Protection Thermostatic Mixing Valve - Cartridge Sensor - 1-1/4" NPT Connections - 130 F Max - 14 Cv
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Caleffi ThermoMix High-Flow Boiler Protection Thermostatic Mixing Valve, Cartridge Sensor, 1-1/4" NPT Connections, 130 F Max, 14 Cv
Item#: 25994
Model#: 280175A
Brand: Caleffi
$297.00
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Caleffi ThermoMix - High-Flow Boiler Protection Thermostatic Mixing Valve - Cartridge Sensor - 1-1/4" NPT Connections - 130 F Max - 14 Cv
Learn More About Goodman GCVC960804CNacw-sale-badge
Goodman GCVC96 - 80k BTU - Two-Stage Gas Furnace - 96% AFUE
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Variable Speed Downflow/Horizontal Blower with 1,600 Max CFM. Natural Gas with Low NOx Emissions. 21" Cabinet Width. ComfortNet Compatible.
Item#: 26594
Model#: GCVC960804CN
Brand: Goodman
Originally $2,868.00
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Free Lift Gate
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Free Lift Gate
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Goodman GCVC96 - 80k BTU - Two-Stage Gas Furnace - 96% AFUE
Learn More About Pensotti HD12-16Dacw-sale-badge
Pensotti DD - Double Panel Wall Radiator - 12" H x 16" W - 1,934 BTU
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Item#: 31500
Model#: HD12-16D
Brand: Pensotti
$336.00
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Pensotti DD - Double Panel Wall Radiator - 12" H x 16" W - 1,934 BTU
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Pensotti DD - Double Panel Wall Radiator - 12" H x 24" W - 2,900 BTU
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Item#: 31501
Model#: HD12-24D
Brand: Pensotti
$370.00
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Pensotti DD - Double Panel Wall Radiator - 12" H x 24" W - 2,900 BTU
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