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Refined By

Brand
Caleffi

Model

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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 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.

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 59474A CHECK VALVE 1/8 (502610)

Caleffi
  • Mfr Part # 59474A
  • Parts Town # CALE59474A
  • Quantity0

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

Caleffi 59756 AIR VENT FOR 551, NA551

Caleffi
  • Mfr Part # 59756
  • Parts Town # CALE59756
  • Quantity0

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

Caleffi 59804A CHECK VALVE 1/4 (502620)

Caleffi
  • Mfr Part # 59804A
  • Parts Town # CALE59804A
  • Quantity0

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

Caleffi 59817A 1 MNPT TAILPIECE W/NUT

Caleffi
  • Mfr Part # 59817A
  • Parts Town # CALE59817A
  • Quantity0

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

Caleffi 59829 DISCAL AIR VENT FOR BRASS BODY (3/4-2)

Caleffi
  • Mfr Part # 59829
  • Parts Town # CALE59829
  • Quantity0

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

Caleffi 59834A 1 SWT TAILPIECE W/NUT

Caleffi
  • Mfr Part # 59834A
  • Parts Town # CALE59834A
  • Quantity0

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

Caleffi 59840A 3/4 MNPT FITTING W/CHECK

Caleffi
  • Mfr Part # 59840A
  • Parts Town # CALE59840A
  • Quantity0

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

Caleffi 59893A 1/2 MNPT W/CHECK

Caleffi
  • Mfr Part # 59893A
  • Parts Town # CALE59893A
  • Quantity0

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

Caleffi 59894A 1 MNPT W/CHECK, NUT

Caleffi
  • Mfr Part # 59894A
  • Parts Town # CALE59894A
  • Quantity0

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

Caleffi 59904A 1/2 SWT FITTING W/CHECK

Caleffi
  • Mfr Part # 59904A
  • Parts Town # CALE59904A
  • Quantity0

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

Caleffi 59905A 3/4 SWT FITTING W/CHECK

Caleffi
  • Mfr Part # 59905A
  • Parts Town # CALE59905A
  • Quantity0

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

Caleffi 59906A 1 SWT TAILPIECE W/CHECK, NUT

Caleffi
  • Mfr Part # 59906A
  • Parts Town # CALE59906A
  • Quantity0

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

Caleffi 59977 UPSTREAM CHECK VALVE FOR 574004A

Caleffi
  • Mfr Part # 59977
  • Parts Town # CALE59977
  • Quantity0

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

Caleffi 59978 DISCHARGE VALVE ASSEMBLY FOR 574004A

Caleffi
  • Mfr Part # 59978
  • Parts Town # CALE59978
  • Quantity0

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

Caleffi 59979 DOWNSTREAM CHECKVALVE FOR 574004A

Caleffi
  • Mfr Part # 59979
  • Parts Town # CALE59979
  • Quantity0

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

Caleffi 59980 DISCHARGE AIR GAP FOR 574004A

Caleffi
  • Mfr Part # 59980
  • Parts Town # CALE59980
  • Quantity0

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

Caleffi 600054A LEGIOMIX® ELECTRONIC MIXING VALVE 3/4" NPT UNION 9.7CV

Caleffi
  • Mfr Part # 600054A
  • Parts Town # CALE600054A
  • Quantity0

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

Caleffi 600056A LEGIOMIX® ELECTRONIC MIXING VALVE 3/4" PRESS UNION 9.7CV

Caleffi
  • Mfr Part # 600056A
  • Parts Town # CALE600056A
  • Quantity0

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

Caleffi 600059A LEGIOMIX® ELECTRONIC MIXING VALVE 3/4" SWEAT UNION 9.7CV

Caleffi
  • Mfr Part # 600059A
  • Parts Town # CALE600059A
  • Quantity0

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

Caleffi 600064A LEGIOMIX® ELECTRONIC MIXING VALVE 1" NPT UNION 21CV

Caleffi
  • Mfr Part # 600064A
  • Parts Town # CALE600064A
  • Quantity0

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

Caleffi 600064A001 LEGIOMIX® ELECTRONIC MIXING VALVE 1" NPT UNION 9.7CV

Caleffi
  • Mfr Part # 600064A001
  • Parts Town # CALE600064A001
  • Quantity0

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

Caleffi 600066A LEGIOMIX® ELECTRONIC MIXING VALVE 1" PRESS UNION 21CV

Caleffi
  • Mfr Part # 600066A
  • Parts Town # CALE600066A
  • Quantity0

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

Caleffi 600066A001 LEGIOMIX® ELECTRONIC MIXING VALVE 1" PRESS UNION 9.7CV

Caleffi
  • Mfr Part # 600066A001
  • Parts Town # CALE600066A001
  • Quantity0

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

Caleffi 600069A LEGIOMIX® ELECTRONIC MIXING VALVE 1" SWEAT UNION 21CV

Caleffi
  • Mfr Part # 600069A
  • Parts Town # CALE600069A
  • 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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