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Hydronics

Need help deciding which water heater is right for you? Start here:

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  1. Caleffi ZVR Series Valve Zone Control

    Caleffi ZVR Series Valve Zone Control

    The ZVR series is a multi-zone valve relay and boiler operating control for multiple zone hydronic heating systems

    $139.91

  2. Caleffi Universal Flow Switch

    Caleffi Universal Flow Switch

    Universal Flow Switch for heating systems. 1" NPTM, Brass body, Suitable for 1" to 8" pipe. UL listed.
    $148.45

  3. Caleffi Pressure/Temperature Gage for Boilers with 3 1/8" Dial size

    Caleffi Pressure/Temperature Gage for Boilers with 3 1/8" Dial size

    Caleffi Pressure/Temperature Gage for Boilers with 3 1/8" Dial size
    $20.31

  4. Caleffi 3/4" Mixed Temperature Gauge Sweat Fitting Assembly

    Caleffi 3/4" Mixed Temperature Gauge Sweat Fitting Assembly

    Caleffi Mixed Temperature Gauge Sweat Fitting Assembly
    $43.85

  5. Caleffi 4-in-1 Hydraulic Separator 1" Sweat Union

    Caleffi 4-in-1 Hydraulic Separator 1" Sweat Union

    The Caleffi SEP4™ combination hydraulic, air, dirt and magnetic separator is a device that incorporates high performance air and magnetic and non-magnetic dirt removal functionality into the hydraulic separation function

    $488.89

  6. Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter - 3/4" Press: 2-7 GPM

    Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter - 3/4" Press: 2-7 GPM

    Balancing Valve with Flow Meter, offers direct reading of flow rate, no sight gauge clouding or scaling. Has brass valve body and flow meter, rotatable valve for flow rate adjustement, and graduated scale flow meter with magnetic movement flow rate indicator. MAX working pressure: 150 psi. Temperature range: 14-230 F. Max percentage of glycol: 50%.
    $161.30

  7. Caleffi Series 5213 Scald Protection Three Way Mixing Valve Sweat-3/4"

    Caleffi Series 5213 Scald Protection Three Way Mixing Valve Sweat-3/4"

    Caleffi Series 5213 Scald Protection Three Way Mixing Valve
    $112.31

  8. Caleffi 6760 Series Thermo-Static 2 Way Zone Valve - BODY ONLY
  9. Caleffi Series 680 Universal PEX Fittings ASTM F876 Standard

    Caleffi Series 680 Universal PEX Fittings ASTM F876 Standard

    Caleffi Series 680 Universal PEX Fittings
    $6.79

  10. Caleffi Z-one 2-Way Motorized Zone Valve

    Caleffi Z-one 2-Way Motorized Zone Valve

    The Z-one™ valve is a truly universal zone valve that can be used in a wide range of commercial and residential applications; from fan coils to baseboard, radiant to high rise, the Z-one™ is the professional’s valve of choice.

    $90.67

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