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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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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.

...
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 KIT536535A053 PRESCALâ„¢ TWO STAGE PREDUCING KIT 3/4" FNPT W/EXPANSION DEVICE NO GAUGE

Caleffi
  • Mfr Part # KIT536535A053
  • Parts Town # CALEKIT536535A053
  • Quantity0

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

Caleffi KIT536535A056 PRESCALâ„¢ TWO STAGE PREDUCING KIT 3/4" PRESS W/EXPANSION DEVICE NO GAUGE

Caleffi
  • Mfr Part # KIT536535A056
  • Parts Town # CALEKIT536535A056
  • Quantity0

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

Caleffi KIT536535A059 PRESCALâ„¢ TWO STAGE PREDUCING KIT 3/4" SWT W/EXPANSION DEVICE NO GAUGE

Caleffi
  • Mfr Part # KIT536535A059
  • Parts Town # CALEKIT536535A059
  • Quantity0

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

Caleffi KIT536535A063 PRESCALâ„¢ TWO STAGE PREDUCING KIT 1" FNPT W/EXPANSION DEVICE NO GAUGE

Caleffi
  • Mfr Part # KIT536535A063
  • Parts Town # CALEKIT536535A063
  • Quantity0

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

Caleffi KIT536535A066 PRESCALâ„¢ TWO STAGE PREDUCING KIT 1" PRESS W/EXPANSION DEVICE NO GAUGE

Caleffi
  • Mfr Part # KIT536535A066
  • Parts Town # CALEKIT536535A066
  • Quantity0

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

Caleffi KIT536535A069 PRESCALâ„¢ TWO STAGE PREDUCING KIT 1" SWT W/EXPANSION DEVICE NO GAUGE

Caleffi
  • Mfr Part # KIT536535A069
  • Parts Town # CALEKIT536535A069
  • Quantity0

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

Caleffi KIT536535A153 PRESCALâ„¢ TWO STAGE PREDUCING KIT 3/4" FNPT W/EXPANSION DEVICE W/ GAUGE

Caleffi
  • Mfr Part # KIT536535A153
  • Parts Town # CALEKIT536535A153
  • Quantity0

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

Caleffi KIT536535A156 PRESCALâ„¢ TWO STAGE PREDUCING KIT 3/4" PRESS W/EXPANSION DEVICE W/ GAUGE

Caleffi
  • Mfr Part # KIT536535A156
  • Parts Town # CALEKIT536535A156
  • Quantity0

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

Caleffi KIT536535A159 PRESCALâ„¢ TWO STAGE PREDUCING KIT 3/4" SWT W/EXPANSION DEVICE W/ GAUGE

Caleffi
  • Mfr Part # KIT536535A159
  • Parts Town # CALEKIT536535A159
  • Quantity0

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

Caleffi KIT536535A163 PRESCALâ„¢ TWO STAGE PREDUCING KIT 1" FNPT W/EXPANSION DEVICE W/ GAUGE

Caleffi
  • Mfr Part # KIT536535A163
  • Parts Town # CALEKIT536535A163
  • Quantity0

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

Caleffi KIT536535A166 PRESCALâ„¢ TWO STAGE PREDUCING KIT 1" PRESS W/EXPANSION DEVICE W/ GAUGE

Caleffi
  • Mfr Part # KIT536535A166
  • Parts Town # CALEKIT536535A166
  • Quantity0

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

Caleffi KIT536535A169 PRESCALâ„¢ TWO STAGE PREDUCING KIT 1" SWT W/EXPANSION DEVICE W/ GAUGE

Caleffi
  • Mfr Part # KIT536535A169
  • Parts Town # CALEKIT536535A169
  • Quantity0

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

Caleffi NA10001 1/2 SWT FITTING FOR 3/4 NUT

Caleffi
  • Mfr Part # NA10001
  • Parts Town # CALENA10001
  • Quantity0

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

Caleffi NA10002 1/2 SWEAT FITTING LOW LEAD

Caleffi
  • Mfr Part # NA10002
  • Parts Town # CALENA10002
  • Quantity0

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

Caleffi NA10003 3/4 SWEAT FITTING LOW LEAD

Caleffi
  • Mfr Part # NA10003
  • Parts Town # CALENA10003
  • Quantity0

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

Caleffi NA10005 1/2 SWEAT INVERTED FLARE 100PCS/PKG

Caleffi
  • Mfr Part # NA10005
  • Parts Town # CALENA10005
  • Quantity0

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

Caleffi NA10006 3/4 SWEAT INVERTED FLARE 100PCS/PKG

Caleffi
  • Mfr Part # NA10006
  • Parts Town # CALENA10006
  • Quantity0

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

Caleffi NA10007 1 SWEAT INVERTED FLARE 100PCS/PKG

Caleffi
  • Mfr Part # NA10007
  • Parts Town # CALENA10007
  • Quantity0

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

Caleffi NA10009 1 MNPT FITTING FOR 5231 SERIES

Caleffi
  • Mfr Part # NA10009
  • Parts Town # CALENA10009
  • Quantity0

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

Caleffi NA10038 GRUNDFOS PUMP 163 GROUP UPS15-58U

Caleffi
  • Mfr Part # NA10038
  • Parts Town # CALENA10038
  • Quantity0

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

Caleffi NA10056 3/4 TEMP. PROBE SWEAT FITTING ASSEMBLY

Caleffi
  • Mfr Part # NA10056
  • Parts Town # CALENA10056
  • Quantity0

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

Caleffi NA10058 1 TEMP. PROBE SWEAT FITTING ASSEMBLY

Caleffi
  • Mfr Part # NA10058
  • Parts Town # CALENA10058
  • Quantity0

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

Caleffi NA10062 ADAPTER 1 BSP TO 1 SWT

Caleffi
  • Mfr Part # NA10062
  • Parts Town # CALENA10062
  • Quantity0

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

Caleffi NA10064 ADAPTER 1 BSP TO 1 NPT MALE

Caleffi
  • Mfr Part # NA10064
  • Parts Town # CALENA10064
  • 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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