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Hydronics

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

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  1. Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter

    Caleffi 132 Series QuickSetter Balancing Valve with Flow Meter

    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%.
    $118.84

  2. Caleffi Series 519 Differential Pressure Bypass Valve with 3/4" press x 3/4" NPT press
  3. Caleffi Series 573 Backflow Preventer 1/2" NPT Female Inlet/Outlet

    Caleffi Series 573 Backflow Preventer 1/2" NPT Female Inlet/Outlet

    Caleffi Series 573 Backflow Preventer 1/2" NPT Female Inlet/Outlet
    $55.83

  4. Caleffi NA206xx Presscon Copper Press Tail Piece

    Caleffi NA206xx Presscon Copper Press Tail Piece

    Presscon™ long copper press tail piece

    $18.25

  5. Caleffi Series 682 PEX-AL-PEX Fittings ASTM F1281 Standard

    Caleffi Series 682 PEX-AL-PEX Fittings ASTM F1281 Standard

    Caleffi Series 682 PEX-AL-PEX Fittings
    $6.31

  6. 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

  7. 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

  8. 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

  9. 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

  10. Caleffi Wilo Star S30

    Caleffi Wilo Star S30

    Replacement pump fits solar pump station NA255.

    $266.16

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