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Hydronics

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

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

    Caleffi 4-in-1 Hydraulic Separator 1 1/4" 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

    $595.83

  2. 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

  3. Caleffi Series 553 Automatic Filling Units 1/2"Union NPT Male Inlet with 1/2" NPT Female Outlet
  4. Caleffi Series 519 Differential Pressure Bypass Valve with 3/4" press x 3/4" NPT press
  5. Caleffi Series 386 Manifold Plug

    Caleffi Series 386 Manifold Plug

    Caleffi Series 386 Manifold Plug
    $6.13

  6. Caleffi 6762 Series Thermo-Electric Zone Valve with TwisTop

    Caleffi 6762 Series Thermo-Electric Zone Valve with TwisTop

    Two-way thermo-electric zone valve, complete with TwisTop actuator.

    $110.82

  7. Caleffi Series 5022 High Capacity 1/2" NPT Male Air Vent

    Caleffi Series 5022 High Capacity 1/2" NPT Male Air Vent

    Caleffi Series 5022 High Capacity Air Vent
    $19.93

  8. Caleffi ZSR series Pump Zone Control

    Caleffi ZSR series Pump Zone Control

    The ZSR series is multi-zone pump and boiler operating control for multiple zone hydronic heating systems

    $78.51

  9. Caleffi Series 519 Differential Pressure Bypass Valve with 1" NPT Female Inlet and 1" Sweat Outlet.
  10. Caleffi Series NA100 3/4" Sweat Tail Piece for use with 1" Union

    Caleffi Series NA100 3/4" Sweat Tail Piece for use with 1" Union

    Caleffi 3/4" Sweat Tail Piece for use with 1" Union
    $7.06

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