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Refined By

Brand
Caleffi

Model

loading spinner

Part Category

  • Actuators(1)
  • Bearings & Bushings(1)
  • Brackets & Retainers(4)
  • Caps & Plugs(1)
  • Controls(1)
  • Filters, Screens & Driers(9)
  • Gaskets & Seals(1)
  • Gauges & Thermometers(1)
  • Handles(1)
  • Hoses, Pipes & Tubing(1)
  • Insulation(25)
  • Knobs & Dials(1)
  • Nuts, Bolts & Screws(36)
  • Panels, Covers & Lids(2)
  • Pressure Relief Controls(6)
  • Probes & Sensors(3)
  • Pumps & Motors(5)
  • Regulators(12)
  • Switches & Buttons(18)
  • Valves, Solenoids & Fittings(363)
  • Washers, Rings & Spacers(11)

Category

Plumbing Supplies (37)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Caleffi Replacement Parts

Caleffi specializes in precision-engineered components that protect hydronic and HVAC systems from pressure imbalance and thermal stress. These parts are essential for maintaining safe operation while improving overall system efficiency.

  • Pressure relief and safety valves
  • Radiant manifolds
  • Flow switches
  • Temperature and pressure monitoring devices

Parts Town offers a wide range of real OEM Caleffi parts that are always genuine OEM and tested and approved by the equipment manufacturer. Designed for exact fit and dependable performance, these components help deliver reliability, safety, efficiency and warranty protection across demanding applications.

With the most in-stock parts on the planet, Parts Town helps minimize downtime when system issues arise. Plus, Parts Town offers same-day shipping on in-stock items until 9 PM ET Monday–Friday, making it easy to get real parts faster and keep equipment protected.

Caleffi

Caleffi Parts & Manuals

Caleffi parts from Parts Town are built to safeguard hydronic and HVAC systems where pressure balance and temperature control matter most. Our selection of real OEM Caleffi replacement parts includes critical components like air separators, balancing valves and pressure relief valves designed to protect equipment from damage. We only carry genuine OEM Caleffi parts so you can keep your system well-maintained and performing reliably day in and day out.

...
Caleffi

Caleffi Parts & Manuals

Caleffi parts from Parts Town are built to safeguard hydronic and HVAC systems where pressure balance and temperature control matter most. Our selection of real OEM Caleffi replacement parts includes critical components like air separators, balancing valves and pressure relief valves designed to protect equipment from damage. We only carry genuine OEM Caleffi parts so you can keep your system well-maintained and performing reliably day in and day out.

...

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Caleffi Z141000 Z-ONE™ 24V,NORMALLY OPEN ACTUATOR,W/O SWITCH

Caleffi
  • Mfr Part # Z141000
  • Parts Town # CALEZ141000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z146000 Z-ONE™ 120V,NORMALLY OPEN ACTUATOR,W/O SWITCH

Caleffi
  • Mfr Part # Z146000
  • Parts Town # CALEZ146000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z151000 Z-ONE™ 24V,NORMALLY CLOSED ACTUATOR TERMINAL BLOCK,W/ SWITCH

Caleffi
  • Mfr Part # Z151000
  • Parts Town # CALEZ151000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z161000 Z-ONE™ 24V,NORMALLY CLOSED ACTUATOR TERMINAL BLOCK,W/O SWITCH

Caleffi
  • Mfr Part # Z161000
  • Parts Town # CALEZ161000
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200041 Z-ONE™ 2-WAY VALVE BODY,INVERTED FLARE,INVERTED FLARE,1.0CV,75 PSI ∆P

Caleffi
  • Mfr Part # Z200041
  • Parts Town # CALEZ200041
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200042 Z-ONE™ 2-WAY VALVE BODY,INVERTED FLARE,INVERTED FLARE,2.5CV,50 PSI ∆P

Caleffi
  • Mfr Part # Z200042
  • Parts Town # CALEZ200042
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200043 Z-ONE™ 2-WAY VALVE BODY,INVERTED FLARE,INVERTED FLARE,3.5CV,30 PSI ∆P

Caleffi
  • Mfr Part # Z200043
  • Parts Town # CALEZ200043
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200053 Z-ONE™ 2-WAY VALVE BODY,1/2",SAE FLARE,3.5CV,35 PSI ∆P

Caleffi
  • Mfr Part # Z200053
  • Parts Town # CALEZ200053
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200411 Z-ONE™ 2-WAY VALVE BODY,1/2",NPT,1.0CV,35 PSI ∆P

Caleffi
  • Mfr Part # Z200411
  • Parts Town # CALEZ200411
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200412 Z-ONE™ 2-WAY VALVE BODY,1/2",NPT,2.5CV,50 PSI ∆P

Caleffi
  • Mfr Part # Z200412
  • Parts Town # CALEZ200412
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200413 Z-ONE™ 2-WAY VALVE BODY,1/2",NPT,3.5CV,30 PSI ∆P

Caleffi
  • Mfr Part # Z200413
  • Parts Town # CALEZ200413
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200431 Z-ONE™ 2-WAY VALVE BODY,1/2",SWEAT,1.0CV,30 PSI ∆P

Caleffi
  • Mfr Part # Z200431
  • Parts Town # CALEZ200431
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200432 Z-ONE™ 2-WAY VALVE BODY,1/2",SWEAT,2.5CV,50 PSI ∆P

Caleffi
  • Mfr Part # Z200432
  • Parts Town # CALEZ200432
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200512 Z-ONE™ 2-WAY VALVE BODY,3/4",NPT,2.5CV,50 PSI ∆P

Caleffi
  • Mfr Part # Z200512
  • Parts Town # CALEZ200512
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200513 Z-ONE™ 2-WAY VALVE BODY,3/4",NPT,3.5CV,30 PSI ∆P

Caleffi
  • Mfr Part # Z200513
  • Parts Town # CALEZ200513
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200515 Z-ONE™ 2-WAY VALVE BODY,3/4",NPT,5.0CV,25 PSI ∆P

Caleffi
  • Mfr Part # Z200515
  • Parts Town # CALEZ200515
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200517 Z-ONE™ 2-WAY VALVE BODY,3/4",NPT,7.5CV,20 PSI ∆P

Caleffi
  • Mfr Part # Z200517
  • Parts Town # CALEZ200517
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200532 Z-ONE™ 2-WAY VALVE BODY,3/4",SWEAT,2.5CV,50 PSI ∆P

Caleffi
  • Mfr Part # Z200532
  • Parts Town # CALEZ200532
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200535 Z-ONE™ 2-WAY VALVE BODY,3/4",SWEAT,5.0CV,25 PSI ∆P

Caleffi
  • Mfr Part # Z200535
  • Parts Town # CALEZ200535
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200537 Z-ONE™ 2-WAY VALVE BODY,3/4",SWEAT,7.5CV,20 PSI ∆P

Caleffi
  • Mfr Part # Z200537
  • Parts Town # CALEZ200537
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200617 Z-ONE™ 2-WAY VALVE BODY,1",NPT,7.5CV,20 PSI ∆P

Caleffi
  • Mfr Part # Z200617
  • Parts Town # CALEZ200617
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200635 Z-ONE™ 2-WAY VALVE BODY,1",SWEAT,5.0CV,25 PSI ∆P

Caleffi
  • Mfr Part # Z200635
  • Parts Town # CALEZ200635
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200637 Z-ONE™ 2-WAY VALVE BODY,1",SWEAT,7.5CV,20 PSI ∆P

Caleffi
  • Mfr Part # Z200637
  • Parts Town # CALEZ200637
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Caleffi Z200683 Z-ONE™ 2-WAY VALVE BODY,1" MALE UNION,3.5CV,30 PSI ∆P

Caleffi
  • Mfr Part # Z200683
  • Parts Town # CALEZ200683
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

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