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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)
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  • Nuts, Bolts & Screws(36)
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  • Pressure Relief Controls(6)
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  • 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.

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

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 NA535870HA PRESSCAL™ PRV ASSE 1003, 1-1/4" NO FITTINGS

Caleffi
  • Mfr Part # NA535870HA
  • Parts Town # CALENA535870HA
  • Quantity0

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

Caleffi NA535871HA PRESSCAL™ PRV ASSE 1003, 1-1/4" NO FITTINGS W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # NA535871HA
  • Parts Town # CALENA535871HA
  • Quantity0

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

Caleffi NA535880HA PRESSCAL™ PRV ASSE 1003, 1-1/2" NO FITTINGS

Caleffi
  • Mfr Part # NA535880HA
  • Parts Town # CALENA535880HA
  • Quantity0

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

Caleffi NA535881HA PRESSCAL™ PRV ASSE 1003, 1-1/2" NO FITTINGS W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # NA535881HA
  • Parts Town # CALENA535881HA
  • Quantity0

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

Caleffi NA535890HA PRESSCAL PRV ASSE 1003, 2 NO FITTINGS

Caleffi
  • Mfr Part # NA535890HA
  • Parts Town # CALENA535890HA
  • Quantity0

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

Caleffi NA535891HA PRESSCAL™ PRV ASSE 1003, 2" NO FITTINGS W/ PRESSURE GAUGE

Caleffi
  • Mfr Part # NA535891HA
  • Parts Town # CALENA535891HA
  • Quantity0

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

Caleffi NA545305 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 3/4" UNION NPT

Caleffi
  • Mfr Part # NA545305
  • Parts Town # CALENA545305
  • Quantity0

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

Caleffi NA545306 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 1" UNION NPT

Caleffi
  • Mfr Part # NA545306
  • Parts Town # CALENA545306
  • Quantity0

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

Caleffi NA545355 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 3/4" UNION NPT W/ ISOLATION VALVES

Caleffi
  • Mfr Part # NA545355
  • Parts Town # CALENA545355
  • Quantity0

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

Caleffi NA545356 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 1"" UNION NPT W/ ISOLATION VALVES

Caleffi
  • Mfr Part # NA545356
  • Parts Town # CALENA545356
  • Quantity0

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

Caleffi NA545365 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 3/4" UNION PRESS

Caleffi
  • Mfr Part # NA545365
  • Parts Town # CALENA545365
  • Quantity0

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

Caleffi NA545366 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 3/4" UNION NPT

Caleffi
  • Mfr Part # NA545366
  • Parts Town # CALENA545366
  • Quantity0

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

Caleffi NA545375 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 3/4" UNION PRESS W/ ISOLATION VALVES

Caleffi
  • Mfr Part # NA545375
  • Parts Town # CALENA545375
  • Quantity0

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

Caleffi NA545376 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 1" UNION PRESS W. ISOLATION VALVES

Caleffi
  • Mfr Part # NA545376
  • Parts Town # CALENA545376
  • Quantity0

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

Caleffi NA545385 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 3/4" UNION SWEAT W/ ISOLATION VALVES

Caleffi
  • Mfr Part # NA545385
  • Parts Town # CALENA545385
  • Quantity0

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

Caleffi NA545386 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 1" UNION SWEAT W/ ISOLATION VALVES

Caleffi
  • Mfr Part # NA545386
  • Parts Town # CALENA545386
  • Quantity0

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

Caleffi NA545395 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 3/4" UNION SWEAT

Caleffi
  • Mfr Part # NA545395
  • Parts Town # CALENA545395
  • Quantity0

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

Caleffi NA545396 DIRTMAG® COMPOSITE DIRT SEPARATOR W/ MAGNET 1" UNION SWEAT

Caleffi
  • Mfr Part # NA545396
  • Parts Town # CALENA545396
  • Quantity0

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

Caleffi NA546050T DISCALDIRT® AIR & DIRT SEPARATOR 2" NPT ASME / CRN

Caleffi
  • Mfr Part # NA546050T
  • Parts Town # CALENA546050T
  • Quantity0

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

Caleffi NA546550AM DIRTMAG® DIRT SEPARATOR W/ MAGNET 2" FLANGE ASME /CRN

Caleffi
  • Mfr Part # NA546550AM
  • Parts Town # CALENA546550AM
  • Quantity0

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

Caleffi NA551050A DISCAL® AIR SEPARATOR 2" FLANGE ASME/ CRN

Caleffi
  • Mfr Part # NA551050A
  • Parts Town # CALENA551050A
  • Quantity0

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

Caleffi NA551060A DISCAL® AIR SEPARATOR 2 1/2" FLANGE ASME/ CRN

Caleffi
  • Mfr Part # NA551060A
  • Parts Town # CALENA551060A
  • Quantity0

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

Caleffi NA553362 BOILER TRIM KIT, 1" NPT, 4.4GAL WITH ASSE 1012 BACK FLOW

Caleffi
  • Mfr Part # NA553362
  • Parts Town # CALENA553362
  • Quantity0

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

Caleffi NA553362R BOILER TRIM KIT, 1" NPT, 4.4GAL WITH ASSE 1013 BACK FLOW

Caleffi
  • Mfr Part # NA553362R
  • Parts Town # CALENA553362R
  • 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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