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    Boiler Controls

    Taco 220-6 Cast Iron Universal Flow Check with 1 Inch

    $59.99

    Size 1 inch Cast Iron, Universal body, or Bronze sweat-in configuration 125 psi maximum operating pressure  

    Taco 218-3 Cast Iron Universal Flow Check with 3/4-Inch

    $59.99

    3/4 Inch cast iron sweat Universal installation Maximum operating pressure: 125 PSI 277 degrees F maximum operating temperature  

    Honeywell Home HPSR104 Hydronic Four Zone Switching Relay

    $175.99

    Zoning is an ideal way to help your customers maximize comfort while enjoying energy savings, but zoning for homes with a central boiler has been time consuming — until now....

    Honeywell Home HPSR106 Hydronic Six Zone Switching Relay

    $259.99

    Zoning is an ideal way to help your customers maximize comfort while enjoying energy savings, but zoning for homes with a central boiler has been time consuming — until now....

    Honeywell Home HPSR101 Hydronic Single Zone Switching Relay

    $75.99

    Zoning is an ideal way to help your customers maximize comfort while enjoying energy savings, but zoning for homes with a central boiler has been time consuming — until now....

    Honeywell Home HPSR103 Hydronic Three Zone Switching Relay

    $149.99

    Zoning is an ideal way to help your customers maximize comfort while enjoying energy savings, but zoning for homes with a central boiler has been time consuming — until now....

    Resideo L8148E1299 High Limit Vertical Mount Aquastat Relay, 15°F differential

    $245.99

    They Honeywell Aquastat Relay (L8148E1265) provides total convenience and control for a range of installations. This is an immersion-type controller that combines high limit protection with switching relay control of...

    Honeywell Home V8043E5012 3/4" Sweat Zone Valve (Connection = 18" Leads)

    $84.99

    The V8043E1012 sweat connection zone valve is part of the Honeywell 1000 series, which is preferred among installers due to its ability to fit virtually every system, eliminating the need...

    Taco Cast Iron Circulator Pump – 007-F5, 1/25 HP

    $114.99

    The Taco 007-F5 circulator pump is one of the industry’s top-selling hydronic circulators, and for good reason. It features a unique cartridge design that’s completely field serviceable plus a self-lubricating...

    Calefactio HGT-15 Expansion Tank 2.1 Gallon Volume

    $39.99

    Features: Full acceptance bladder Bladder design prevents waterlogging Factory pre-charge pressure: 12 psi System connection: 1/2" male threaded Max. operating temperature: 240°F Max. operating pressure: 115 psi Expansion tank volume:...

    Calefactio HGT-30 Expansion Tank 4.8 Gallon Volume

    $49.99

    Features: Full acceptance bladder Bladder design prevents waterlogging Factory pre-charge pressure: 12 psi System connection: 1/2" male threaded Max. operating temperature: 240°F Max. operating pressure: 115 psi Expansion tank volume:...

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