Heater Accessories

Filter
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" NPT Male Connections, Low-Lead Brass
Item#: 24618
Model#: 127341AF2G0
Brand: Caleffi
$75.00
In-Stock
Caleffi FlowCal Compact Automatic Flow Balancing Valve, 1/2" Sweat Connections, Low-Lead Brass
Item#: 24634
Model#: 127349AF2G0
Brand: Caleffi
$70.00
Factory-Direct
Williams - P322016 - Millivolt Thermostat
Item#: 68442
Model#: P322016
Brand: Williams
$39.00
Factory-Direct
Caleffi Series 682 Universal PEX-AL-PEX Fittings, 1/2" PEX-AL-PEX Connections, 150 psi max
Item#: 24890
Model#: 682540A
Brand: Caleffi
$6.67
Factory-Direct

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

Item#: 24891
Model#: 940451
Brand: Caleffi
$12.22
Factory-Direct
Caleffi Thermostatic Control Head with Built-in Sensor, 45-82 F Temperature Range, used with radiator valves
Item#: 24960
Model#: 200000
Brand: Caleffi
$38.61
In-Stock
Caleffi 1/2" Nominal Universal PEX Fittings, ASTM Pipe Size
Item#: 24245
Model#: 680504A
Brand: Caleffi
$6.53
In-Stock
Caleffi One-pipe Straight Panel Radiators Valve, 1/2" Straight (Radiator) x 3/4" Conical (Pipe)
Item#: 24790
Model#: 301241
Brand: Caleffi
$55.90
Factory-Direct
Williams - 9929 - Vent Starter Kit - For Williams' Top-Vent Furnaces
Item#: 71160
Model#: 9929
Brand: Williams
$249.00
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 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
$139.44
In-Stock
Grundfos - UPS15-58FC - 1/25 Horsepower - 3-Speed Circulation Pump - Cast Iron - GF 15/26 Flange - Hardwire - 115V/1 Phase - Integral Check Valve - MPN: 59896341
Item#: 36876
Model#: UPS 15-58FC
Brand: Grundfos
$132.00
In-Stock
Goodman - LPM-08 - Natural Gas to Liquid Propane - Gas Conversion Kit - For Goodman GCVC96, GMVC96, and Select GMEC96 Gas-Fired Furnaces
Item#: 26688
Model#: LPM-08
Brand: Goodman
$61.12
Factory-Direct
Caleffi Z-One 2-Way Straight Sweat Valve Body, 1/2" Connections, 75 PSI, 1 Cv
Item#: 25053
Model#: Z200431
Brand: Caleffi
$30.21
Factory-Direct
Williams - 2901 - Top Vent Blower Kit - For Williams 25098XX, 35098XX, and 50098XX Furnaces
Item#: 68436
Model#: 2901
Brand: Williams
$175.00
In-Stock
Williams - 2302 - Gravity Blower - For Williams Direct-Vent 22038 Furnaces
Item#: 68440
Model#: 2302
Brand: Williams
$219.00
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 1/2" Sweat Connection Fitting, chrome plated nut

Item#: 24249
Model#: NA10262
Brand: Caleffi
$7.29
In-Stock
Revolv - 114106 - Register Collar - 4" x 10" x 6" - For Manufactured Home Forced Air Applications
Item#: 27117
Model#: 114106
Brand: Revolv
$10.00
Factory-Direct
Runtal - DEC-ANG SET - Radiator Valve Set - 1/2" NPT Connection Size - Angle - Shut-Off - For Runtal Hydronic Radiators - Polished Chrome
Item#: 38269
Model#: DEC-ANG SET
Brand: Runtal
$123.00
Factory-Direct
Modine - 32321 - HER - 40 to 90 Degrees - Field Installed Unit Mounted Thermostat - For Modine HER Series Unit Heaters
Item#: 48364
Model#: 32321
Brand: Modine
$76.00
Factory-Direct
Amtrol 4.4 Gall In-Line Boiler System Expansion Tank 1/2" NPT
Item#: 45590
Model#: EX-30
Brand: Amtrol
$62.00
In-Stock