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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.

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Caleffi

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  • Valves, Solenoids & Fittings(363)
  • Washers, Rings & Spacers(11)

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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.

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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 535560HA PRESSCAL™ PRV ASSE 1003, 1" PEX EXPANSION

Caleffi
  • Mfr Part # 535560HA
  • Parts Town # CALE535560HA
  • Quantity0

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

Caleffi 535561HA PRESSCAL™ PRV ASSE 1003, 1" PEX EXPANSION W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535561HA
  • Parts Town # CALE535561HA
  • Quantity0

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

Caleffi 535640HA PRESSCAL™ PRV ASSE 1003, FEMALE 1/2" PRESS

Caleffi
  • Mfr Part # 535640HA
  • Parts Town # CALE535640HA
  • Quantity0

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

Caleffi 535641HA PRESSCAL™ PRV ASSE 1003, 1/2" PRESS W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535641HA
  • Parts Town # CALE535641HA
  • Quantity0

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

Caleffi 535650HA PRESSCAL PRV ASSE 1003, 3/4 PRESS

Caleffi
  • Mfr Part # 535650HA
  • Parts Town # CALE535650HA
  • Quantity0

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

Caleffi 535660HA PRESSCAL PRV ASSE 1003, 1 PRESS

Caleffi
  • Mfr Part # 535660HA
  • Parts Town # CALE535660HA
  • Quantity0

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

Caleffi 535670HA PRESSCAL PRV ASSE 1003, 1-1/4 PRESS

Caleffi
  • Mfr Part # 535670HA
  • Parts Town # CALE535670HA
  • Quantity0

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

Caleffi 535671HA PRESSCAL™ PRV ASSE 1003, 1-1/4" PRESS W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535671HA
  • Parts Town # CALE535671HA
  • Quantity0

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

Caleffi 535680HA PRESSCAL PRV ASSE 1003, 1-1/2 PRESS

Caleffi
  • Mfr Part # 535680HA
  • Parts Town # CALE535680HA
  • Quantity0

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

Caleffi 535681HA PRESSCAL™ PRV ASSE 1003, 1-1/2" PRESS W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535681HA
  • Parts Town # CALE535681HA
  • Quantity0

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

Caleffi 535690HA PRESSCAL PRV ASSE 1003, 2 PRESS

Caleffi
  • Mfr Part # 535690HA
  • Parts Town # CALE535690HA
  • Quantity0

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

Caleffi 535691HA PRESSCAL™ PRV ASSE 1003, 2" PRESS W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535691HA
  • Parts Town # CALE535691HA
  • Quantity0

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

Caleffi 535750HA Pressure Reducing Valve, Adjustable-Preset 45PSI, 3/4" Press PEX Crimp, 12.5GPM Max, PresCal

Caleffi
  • Mfr Part # 535750HA
  • Parts Town # CALE535750HA
  • Quantity0

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

Caleffi 535760HA PRESSCAL PRV ASSE 1003, 1 PEX CRIMP

Caleffi
  • Mfr Part # 535760HA
  • Parts Town # CALE535760HA
  • Quantity0

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

Caleffi 535761HA PRESSCAL™ PRV ASSE 1003, 1" PEX CRIMP W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535761HA
  • Parts Town # CALE535761HA
  • Quantity0

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

Caleffi 535940HA PRESSCAL PRV ASSE 1003, 1/2 SWEAT

Caleffi
  • Mfr Part # 535940HA
  • Parts Town # CALE535940HA
  • Quantity0

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

Caleffi 535941HA PRESSCAL™ PRV ASSE 1003, 1/2" SWEAT W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535941HA
  • Parts Town # CALE535941HA
  • Quantity0

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

Caleffi 535950HA PRESSCAL PRV ASSE 1003, 3/4 SWEAT

Caleffi
  • Mfr Part # 535950HA
  • Parts Town # CALE535950HA
  • Quantity0

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

Caleffi 535951A AUTOFILL™ BODY ONLY NO FITTINGS W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535951A
  • Parts Town # CALE535951A
  • Quantity0

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

Caleffi 535951HA PRESSCAL™ PRV ASSE 1003, 3/4" SWEAT W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535951HA
  • Parts Town # CALE535951HA
  • Quantity0

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

Caleffi 535960HA PRESSCAL PRV ASSE 1003, 1 SWEAT

Caleffi
  • Mfr Part # 535960HA
  • Parts Town # CALE535960HA
  • Quantity0

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

Caleffi 535961HA PRESSCAL™ PRV ASSE 1003, 1" SWEAT W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535961HA
  • Parts Town # CALE535961HA
  • Quantity0

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

Caleffi 535970HA PRESSCAL PRV ASSE 1003, 1 1/4 SWEAT

Caleffi
  • Mfr Part # 535970HA
  • Parts Town # CALE535970HA
  • Quantity0

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

Caleffi 535971HA PRESSCAL™ PRV ASSE 1003, 1 1/4" SWEAT W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535971HA
  • Parts Town # CALE535971HA
  • 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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