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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.

No matching models were found. Please try changing your search keyword or adjusting your search selections.

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Caleffi

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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

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.

...

Caleffi R41441 1-1/2 FNPT UNION END

Caleffi
  • Mfr Part # R41441
  • Parts Town # CALER41441
  • Quantity0

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

Caleffi R41660 1-1/4 MNPT FITTING

Caleffi
  • Mfr Part # R41660
  • Parts Town # CALER41660
  • Quantity0

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

Caleffi R49418 3/4 GHT CAP AND TETHER

Caleffi
  • Mfr Part # R49418
  • Parts Town # CALER49418
  • Quantity0

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

Caleffi R50005 1-1/2 GREEN WASHER

Caleffi
  • Mfr Part # R50005
  • Parts Town # CALER50005
  • Quantity0

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

Caleffi R50008 2 GREEN WASHER

Caleffi
  • Mfr Part # R50008
  • Parts Town # CALER50008
  • Quantity0

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

Caleffi R50047 1-1/2 GREEN WASHER

Caleffi
  • Mfr Part # R50047
  • Parts Town # CALER50047
  • Quantity0

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

Caleffi R50048 2 GREEN WASHER

Caleffi
  • Mfr Part # R50048
  • Parts Town # CALER50048
  • Quantity0

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

Caleffi R51838 2-1/2 UNION NUT FOR 5231 VALVES

Caleffi
  • Mfr Part # R51838
  • Parts Town # CALER51838
  • Quantity0

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

Caleffi R53003 2 STEEL NUT

Caleffi
  • Mfr Part # R53003
  • Parts Town # CALER53003
  • Quantity0

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

Caleffi R53004 1-1/2 STEEL NUT

Caleffi
  • Mfr Part # R53004
  • Parts Town # CALER53004
  • Quantity0

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

Caleffi R53005 2 STEEL NUT

Caleffi
  • Mfr Part # R53005
  • Parts Town # CALER53005
  • Quantity0

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

Caleffi R56142 BLEED SCREW FOR AAV 5026

Caleffi
  • Mfr Part # R56142
  • Parts Town # CALER56142
  • Quantity0

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

Caleffi R56214 PLASTIC VENT CAP

Caleffi
  • Mfr Part # R56214
  • Parts Town # CALER56214
  • Quantity0

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

Caleffi R57264 O-RING SEAL FOR NA10810 GAUGE ADAPTER

Caleffi
  • Mfr Part # R57264
  • Parts Town # CALER57264
  • Quantity0

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

Caleffi R59119 DISCAL AIR VENT CAP (551)

Caleffi
  • Mfr Part # R59119
  • Parts Town # CALER59119
  • Quantity0

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

Caleffi R59681 HYGROSCOPIC SAFETY CAP- 50205021

Caleffi
  • Mfr Part # R59681
  • Parts Town # CALER59681
  • Quantity0

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

Caleffi R69413 GREASE SYRINGE FOR 675900A

Caleffi
  • Mfr Part # R69413
  • Parts Town # CALER69413
  • Quantity0

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

Caleffi Z111000 Z-ONE™ 24V,NORMALLY CLOSED ACTUATOR,W/ SWITCH

Caleffi
  • Mfr Part # Z111000
  • Parts Town # CALEZ111000
  • Quantity0

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

Caleffi Z111900 Z-ONE™ 24V,NORMALLY CLOSED ACTUATOR,W/ HIGH CURRENT SWITCH

Caleffi
  • Mfr Part # Z111900
  • Parts Town # CALEZ111900
  • Quantity0

Out of Stock, backorders usually ship in 10-12 days.

Caleffi Z116000 Z-ONE™ 120V,NORMALLY CLOSED ACTUATOR,W/ SWITCH

Caleffi
  • Mfr Part # Z116000
  • Parts Town # CALEZ116000
  • Quantity0

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

Caleffi Z121000 Z-ONE™ 24V,NORMALLY CLOSED ACTUATOR,W/O SWITCH

Caleffi
  • Mfr Part # Z121000
  • Parts Town # CALEZ121000
  • Quantity0

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

Caleffi Z126000 Z-ONE™ 120V,NORMALLY CLOSED ACTUATOR,W/O SWITCH

Caleffi
  • Mfr Part # Z126000
  • Parts Town # CALEZ126000
  • Quantity0

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

Caleffi Z131000 Z-ONE™ 24V,NORMALLY OPEN ACTUATOR,W/ SWITCH

Caleffi
  • Mfr Part # Z131000
  • Parts Town # CALEZ131000
  • Quantity0

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

Caleffi Z136000 Z-ONE™ 120V,NORMALLY OPEN ACTUATOR,W/ SWITCH

Caleffi
  • Mfr Part # Z136000
  • Parts Town # CALEZ136000
  • 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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