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Hydronics

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

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  1. Flow Check Valve. 3/4" NPTF. Brass Body
  2. 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

    $572.22

  3. Caleffi Series 573 Backflow Preventers 1/2" Sweat Inlet/Outlet

    Caleffi Series 573 Backflow Preventers 1/2" Sweat Inlet/Outlet

    Caleffi Series 573 Backflow Preventers 1/2" Sweat Inlet/Outlet
    $41.29

  4. Caleffi Series 519 Differential Pressure Bypass Valve with 3/4" press x 3/4" NPT press
  5. Caleffi Series 669 Manifold PEX Flow Meters

    Caleffi Series 669 Manifold PEX Flow Meters

    Caleffi Series 669 Manifold PEX Flow Meters
    $18.37

  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 6563 Twistop Thermoelectric Actuator 24VAC Manual Twist Open

    Caleffi Series 6563 Twistop Thermoelectric Actuator 24VAC Manual Twist Open

    Twistop Thermoelectric Actuator 24VAC Manual Twist Open w/green open indicator, Includes 36" Leads and Built-in End Switch
    $64.31

  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

    $75.44

  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
    $6.81

Items 1 to 10 of 51 total

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Grid  List 

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