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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)
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  • 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 1725N1AIN LOW TEMP MANIFOLD MIXING STATION 12-PORTS, 3 SPEED PUMP INVERTED

Caleffi
  • Mfr Part # 1725N1AIN
  • Parts Town # CALE1725N1AIN
  • Quantity0

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

Caleffi 1725O1A LOW TEMP MANIFOLD MIXING STATION 13-PORTS, 3 SPEED PUMP

Caleffi
  • Mfr Part # 1725O1A
  • Parts Town # CALE1725O1A
  • Quantity0

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

Caleffi 1725O1AHE LOW TEMP MANIFOLD MIXING STATION 13-PORTS, ALPHA PUMP

Caleffi
  • Mfr Part # 1725O1AHE
  • Parts Town # CALE1725O1AHE
  • Quantity0

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

Caleffi 1725O1AHEIN LOW TEMP MANIFOLD MIXING STATION 13-PORTS, ALPHA PUMP INVERTED

Caleffi
  • Mfr Part # 1725O1AHEIN
  • Parts Town # CALE1725O1AHEIN
  • Quantity0

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

Caleffi 1725O1AIN LOW TEMP MANIFOLD MIXING STATION 13-PORTS, 3 SPEED PUMP INVERTED

Caleffi
  • Mfr Part # 1725O1AIN
  • Parts Town # CALE1725O1AIN
  • Quantity0

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

Caleffi 200000 THERMOSTATIC CONTROL HEAD

Caleffi
  • Mfr Part # 200000
  • Parts Town # CALE200000
  • Quantity0

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

Caleffi 201000 THERMO CONTROL HEAD W/REMOTE ADJ KNOB

Caleffi
  • Mfr Part # 201000
  • Parts Town # CALE201000
  • Quantity0

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

Caleffi 203502 THERMO.CONTRO HEAD W/COMPACT PROBE

Caleffi
  • Mfr Part # 203502
  • Parts Town # CALE203502
  • Quantity0

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

Caleffi 220400A 1/2 NPT ANGLED TRV BODY

Caleffi
  • Mfr Part # 220400A
  • Parts Town # CALE220400A
  • Quantity0

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

Caleffi 220500A 3/4 NPT ANGLED TRV BODY

Caleffi
  • Mfr Part # 220500A
  • Parts Town # CALE220500A
  • Quantity0

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

Caleffi 221400A 1/2 NPT STRAIGHT TRV BODY

Caleffi
  • Mfr Part # 221400A
  • Parts Town # CALE221400A
  • Quantity0

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

Caleffi 221500A 3/4 NPT STRAIGHT TRV BODY

Caleffi
  • Mfr Part # 221500A
  • Parts Town # CALE221500A
  • Quantity0

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

Caleffi 250041A SOLAR AUTOMATIC AIR VENT VALVE 1/2NPT

Caleffi
  • Mfr Part # 250041A
  • Parts Town # CALE250041A
  • Quantity0

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

Caleffi 251003A SOLAR AIR SEPARATOR 3/4 NPTF

Caleffi
  • Mfr Part # 251003A
  • Parts Town # CALE251003A
  • Quantity0

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

Caleffi 251004A HIGH CAPACITY SOLAR AIR VENT 1/2 NPT

Caleffi
  • Mfr Part # 251004A
  • Parts Town # CALE251004A
  • Quantity0

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

Caleffi 253040 SOLAR SAFETY RELIEF VALVE 10 BAR 145 PSI

Caleffi
  • Mfr Part # 253040
  • Parts Town # CALE253040
  • Quantity0

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

Caleffi 253042 SOLAR SAF.REL. VALVE 2.5 BAR20044065

Caleffi
  • Mfr Part # 253042
  • Parts Town # CALE253042
  • Quantity0

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

Caleffi 253043 SOLAR SAFETY RELIEF VALVE 3 BAR 45 PSI

Caleffi
  • Mfr Part # 253043
  • Parts Town # CALE253043
  • Quantity0

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

Caleffi 253044 SOLAR SAFETY RELIEF VALVE 4 BAR 60 PSI

Caleffi
  • Mfr Part # 253044
  • Parts Town # CALE253044
  • Quantity0

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

Caleffi 253046 SOLAR SAFETY RELIEF VALVE 6 BAR 90PSI

Caleffi
  • Mfr Part # 253046
  • Parts Town # CALE253046
  • Quantity0

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

Caleffi 253048 SOLAR SAFETY RELIEF VALVE 8 BAR 120 PSI

Caleffi
  • Mfr Part # 253048
  • Parts Town # CALE253048
  • Quantity0

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

Caleffi 280165A ANTICONDENSING VALVE 1 NPT 130 F

Caleffi
  • Mfr Part # 280165A
  • Parts Town # CALE280165A
  • Quantity0

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

Caleffi 280166A ANTICONDENSING VALVE 1 NPT 140 F

Caleffi
  • Mfr Part # 280166A
  • Parts Town # CALE280166A
  • Quantity0

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

Caleffi 280175A ANTICONDENSING VALVE 1-1/4 NPT 130 F

Caleffi
  • Mfr Part # 280175A
  • Parts Town # CALE280175A
  • 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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