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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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  • Controls(1)
  • Filters, Screens & Driers(9)
  • Gaskets & Seals(1)
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  • Handles(1)
  • Hoses, Pipes & Tubing(1)
  • Insulation(25)
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  • Nuts, Bolts & Screws(36)
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  • 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.

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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 NA669250 FLOW METER 1/2 TO 2 GPM

Caleffi
  • Mfr Part # NA669250
  • Parts Town # CALENA669250
  • Quantity0

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

Caleffi R0000582 UNION NUT FOR 573

Caleffi
  • Mfr Part # R0000582
  • Parts Town # CALER0000582
  • Quantity0

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

Caleffi R0000892 FITTING FEMALE 1/2 NPT FOR 573

Caleffi
  • Mfr Part # R0000892
  • Parts Town # CALER0000892
  • Quantity0

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

Caleffi R0001397 6000 LEGIOMIX SENSOR KIT

Caleffi
  • Mfr Part # R0001397
  • Parts Town # CALER0001397
  • Quantity0

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

Caleffi R0001452 1 STEEL UNION NUT

Caleffi
  • Mfr Part # R0001452
  • Parts Town # CALER0001452
  • Quantity0

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

Caleffi R0001454 1-1/4 UNION WASHER - BLUE

Caleffi
  • Mfr Part # R0001454
  • Parts Town # CALER0001454
  • Quantity0

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

Caleffi R0001457 1-1/2 BLUE UNION WASHER

Caleffi
  • Mfr Part # R0001457
  • Parts Town # CALER0001457
  • Quantity0

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

Caleffi R0001458 3/4 UNION WASHER - BLUE

Caleffi
  • Mfr Part # R0001458
  • Parts Town # CALER0001458
  • Quantity0

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

Caleffi R0001459 2 BLUE WASHER

Caleffi
  • Mfr Part # R0001459
  • Parts Town # CALER0001459
  • Quantity0

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

Caleffi R0001460 2-1/2 UNION WASHER - BLUE

Caleffi
  • Mfr Part # R0001460
  • Parts Town # CALER0001460
  • Quantity0

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

Caleffi R0001462 3/4 UNION WASHER - LEGIOMIX - BLUE

Caleffi
  • Mfr Part # R0001462
  • Parts Town # CALER0001462
  • Quantity0

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

Caleffi R0001622 REPLACEMENT BACKFLOW GASKET - 3MM

Caleffi
  • Mfr Part # R0001622
  • Parts Town # CALER0001622
  • Quantity0

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

Caleffi R0002057 NPT FEMALE

Caleffi
  • Mfr Part # R0002057
  • Parts Town # CALER0002057
  • Quantity0

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

Caleffi R11221 1-1/2 UNION SLIP NUT

Caleffi
  • Mfr Part # R11221
  • Parts Town # CALER11221
  • Quantity0

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

Caleffi R11222 1-1/4 SLIP NUT

Caleffi
  • Mfr Part # R11222
  • Parts Town # CALER11222
  • Quantity0

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

Caleffi R19101 REPLACEMENT TEMP GAUGE

Caleffi
  • Mfr Part # R19101
  • Parts Town # CALER19101
  • Quantity0

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

Caleffi R20011 1 BLUE WASHER

Caleffi
  • Mfr Part # R20011
  • Parts Town # CALER20011
  • Quantity0

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

Caleffi R21176 UNION SLIP NUT

Caleffi
  • Mfr Part # R21176
  • Parts Town # CALER21176
  • Quantity0

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

Caleffi R31495 NUT 1-1/4 GAS - 34MM

Caleffi
  • Mfr Part # R31495
  • Parts Town # CALER31495
  • Quantity0

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

Caleffi R31589 1-1/2 UNION NUT

Caleffi
  • Mfr Part # R31589
  • Parts Town # CALER31589
  • Quantity0

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

Caleffi R31706 FITTING 1-1/4 X 1

Caleffi
  • Mfr Part # R31706
  • Parts Town # CALER31706
  • Quantity0

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

Caleffi R31981 1/2 NPT MALE FITTING

Caleffi
  • Mfr Part # R31981
  • Parts Town # CALER31981
  • Quantity0

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

Caleffi R39204 STD PLASTIC CHECK VALVE INSERT NV20 DN20

Caleffi
  • Mfr Part # R39204
  • Parts Town # CALER39204
  • Quantity0

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

Caleffi R39949 SPARE MAGNET FOR DIRTMAG 545 / 546

Caleffi
  • Mfr Part # R39949
  • Parts Town # CALER39949
  • 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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