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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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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

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

Caleffi 535980HA PRESSCAL PRV ASSE 1003, 1 1/2 SWEAT

Caleffi
  • Mfr Part # 535980HA
  • Parts Town # CALE535980HA
  • Quantity0

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

Caleffi 535981HA PRESSCAL™ PRV ASSE 1003, 1 1/2" SWEAT W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535981HA
  • Parts Town # CALE535981HA
  • Quantity0

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

Caleffi 535990HA PRESSCAL PRV ASSE 1003, 2 SWEAT

Caleffi
  • Mfr Part # 535990HA
  • Parts Town # CALE535990HA
  • Quantity0

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

Caleffi 535991HA PRESSCAL™ PRV ASSE 1003, 2" SWEAT W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # 535991HA
  • Parts Town # CALE535991HA
  • Quantity0

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

Caleffi 536043A103 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 1/2" NPT FEMALE

Caleffi
  • Mfr Part # 536043A103
  • Parts Town # CALE536043A103
  • Quantity0

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

Caleffi 536043A106 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 1/2" PRESS

Caleffi
  • Mfr Part # 536043A106
  • Parts Town # CALE536043A106
  • Quantity0

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

Caleffi 536043A109 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 1/2" SWEAT

Caleffi
  • Mfr Part # 536043A109
  • Parts Town # CALE536043A109
  • Quantity0

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

Caleffi 536044A103 PRESSCAL™ HP PRV LOW RANGE (10 - 90 PSIG) DUAL UNION 1/2" NPT FEMALE

Caleffi
  • Mfr Part # 536044A103
  • Parts Town # CALE536044A103
  • Quantity0

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

Caleffi 536044A106 PRESSCAL™ HP PRV LOW RANGE (10 - 90 PSIG) DUAL UNION 1/2" PRESS

Caleffi
  • Mfr Part # 536044A106
  • Parts Town # CALE536044A106
  • Quantity0

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

Caleffi 536044A109 PRESSCAL™ HP PRV LOW RANGE (10 - 90 PSIG) DUAL UNION 1/2" SWEAT

Caleffi
  • Mfr Part # 536044A109
  • Parts Town # CALE536044A109
  • Quantity0

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

Caleffi 536053A103 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 3/4" NPT FEMALE

Caleffi
  • Mfr Part # 536053A103
  • Parts Town # CALE536053A103
  • Quantity0

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

Caleffi 536053A106 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 3/4" PRESS

Caleffi
  • Mfr Part # 536053A106
  • Parts Town # CALE536053A106
  • Quantity0

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

Caleffi 536053A109 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 3/4" SWEAT

Caleffi
  • Mfr Part # 536053A109
  • Parts Town # CALE536053A109
  • Quantity0

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

Caleffi 536054A103 PRESSCAL™ HP PRV LOW RANGE (10 - 90 PSIG) DUAL UNION 3/4" NPT FEMALE

Caleffi
  • Mfr Part # 536054A103
  • Parts Town # CALE536054A103
  • Quantity0

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

Caleffi 536054A106 PRESSCAL™ HP PRV LOW RANGE (10 - 90 PSIG) DUAL UNION 3/4" PRESS

Caleffi
  • Mfr Part # 536054A106
  • Parts Town # CALE536054A106
  • Quantity0

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

Caleffi 536054A109 PRESSCAL™ HP PRV LOW RANGE (10 - 90 PSIG) DUAL UNION 3/4" SWEAT

Caleffi
  • Mfr Part # 536054A109
  • Parts Town # CALE536054A109
  • Quantity0

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

Caleffi 536063A103 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 1" NPT FEMALE

Caleffi
  • Mfr Part # 536063A103
  • Parts Town # CALE536063A103
  • Quantity0

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

Caleffi 536063A106 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 1" PRESS

Caleffi
  • Mfr Part # 536063A106
  • Parts Town # CALE536063A106
  • Quantity0

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

Caleffi 536063A109 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 1" SWEAT

Caleffi
  • Mfr Part # 536063A109
  • Parts Town # CALE536063A109
  • Quantity0

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

Caleffi 536064A103 PRESSCAL™ HP PRV LOW RANGE (10 - 90 PSIG) DUAL UNION 1" NPT FEMALE

Caleffi
  • Mfr Part # 536064A103
  • Parts Town # CALE536064A103
  • Quantity0

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

Caleffi 536064A106 PRESSCAL™ HP PRV LOW RANGE (10 - 90 PSIG) DUAL UNION 1" PRESS

Caleffi
  • Mfr Part # 536064A106
  • Parts Town # CALE536064A106
  • Quantity0

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

Caleffi 536064A109 PRESSCAL™ HP PRV LOW RANGE (10 - 90 PSIG) DUAL UNION 1" SWEAT

Caleffi
  • Mfr Part # 536064A109
  • Parts Town # CALE536064A109
  • Quantity0

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

Caleffi 536073A103 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 1-1/4" NPT FEMALE

Caleffi
  • Mfr Part # 536073A103
  • Parts Town # CALE536073A103
  • Quantity0

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

Caleffi 536073A106 PRESSCAL™ HP PRV HIGH RANGE (90 - 150 PSI) DUAL UNION 1-1/4" PRESS

Caleffi
  • Mfr Part # 536073A106
  • Parts Town # CALE536073A106
  • 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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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.

...