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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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  • Pumps & Motors(5)
  • Regulators(12)
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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.

...
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 573409A BACKFLOW PREVENTER 1/2 SWEAT ASSE 1012

Caleffi
  • Mfr Part # 573409A
  • Parts Town # CALE573409A
  • Quantity0

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

Caleffi 573493A BACKFLOW PREVENTER 1/2" SWEAT INLET X 1/2" NPT OUTLET ASSE 1012

Caleffi
  • Mfr Part # 573493A
  • Parts Town # CALE573493A
  • Quantity0

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

Caleffi 573503A BACKFLOW PREVENTER 3/4 NPT ASSE 1012

Caleffi
  • Mfr Part # 573503A
  • Parts Town # CALE573503A
  • Quantity0

Out of Stock, backorders usually ship in 13-15 days.

Caleffi 574002A COMBO AUTOFILL™ 1/2" NPT INLET X 1/2" NPT OUTLET ASSE 1013

Caleffi
  • Mfr Part # 574002A
  • Parts Town # CALE574002A
  • Quantity0

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

Caleffi 574004A RPZ BACKFLOW PREVENTER ASSE 1013 1/2" NPT

Caleffi
  • Mfr Part # 574004A
  • Parts Town # CALE574004A
  • Quantity0

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

Caleffi 574006A RPZ BACKFLOW PREVENTER ASSE 1013 1 NPT

Caleffi
  • Mfr Part # 574006A
  • Parts Town # CALE574006A
  • Quantity0

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

Caleffi 574012A COMBO AUTOFILL™ 1/2" NPT INLET X 1/2" NPT OUTLET WITH PRESSURE GAUGE ASSE 1013

Caleffi
  • Mfr Part # 574012A
  • Parts Town # CALE574012A
  • Quantity0

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

Caleffi 574050A RPZ BACKFLOW PREVENTER ASSE 1013 3/4" NPT

Caleffi
  • Mfr Part # 574050A
  • Parts Town # CALE574050A
  • Quantity0

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

Caleffi 574056A RPZ BACKFLOW PREVENTER ASSE 1013 3/4" PRESS

Caleffi
  • Mfr Part # 574056A
  • Parts Town # CALE574056A
  • Quantity0

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

Caleffi 574064A RPZ BACKFLOW PREVENTER ASSE 1013 1/2" PRESS

Caleffi
  • Mfr Part # 574064A
  • Parts Town # CALE574064A
  • Quantity0

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

Caleffi 574066A RPZ BACKFLOW PREVENTER ASSE 1013 1" PRESS

Caleffi
  • Mfr Part # 574066A
  • Parts Town # CALE574066A
  • Quantity0

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

Caleffi 574151A COMBO AUTOFILL™ 3/4" NPT INLET X 3/4" NPT OUTLET WITH PRESSURE GAUGE ASSE 1013

Caleffi
  • Mfr Part # 574151A
  • Parts Town # CALE574151A
  • Quantity0

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

Caleffi 574156A COMBO AUTOFILL™ 3/4" PRESS INLET X 3/4" PRESS OUTLET W/ PRESSURE GAUGE ASSE 1013

Caleffi
  • Mfr Part # 574156A
  • Parts Town # CALE574156A
  • Quantity0

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

Caleffi 574157A COMBO AUTOFILL™ 3/4" PRESS INLET X 3/4" NPT OUTLET W/ PRESSURE GAUGE ASSE 1013

Caleffi
  • Mfr Part # 574157A
  • Parts Town # CALE574157A
  • Quantity0

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

Caleffi 574161A COMBO AUTOFILL™ 1" FNPT INLET X 1" MNPT OUTLET ASSE 1013

Caleffi
  • Mfr Part # 574161A
  • Parts Town # CALE574161A
  • Quantity0

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

Caleffi 574166A COMBO AUTOFILL™ 1" PRESS INLET X 1" PRESS OUTLET W/ PRESSURE GAUGE ASSE 1013

Caleffi
  • Mfr Part # 574166A
  • Parts Town # CALE574166A
  • Quantity0

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

Caleffi 574167A COMBO AUTOFILL™ 1" PRESS INLET X 1" NPT OUTLET W/ PRESSURE GAUGE ASSE 1013

Caleffi
  • Mfr Part # 574167A
  • Parts Town # CALE574167A
  • Quantity0

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

Caleffi 574206A COMBO AUTOFILL™ 1/2" PRESS INLET X 1/2" PRESS OUTLET ASSE 1013

Caleffi
  • Mfr Part # 574206A
  • Parts Town # CALE574206A
  • Quantity0

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

Caleffi 574207A COMBO AUTOFILL™ 1/2" NPT PRESS X 1/2" NPT OUTLET ASSE 1013

Caleffi
  • Mfr Part # 574207A
  • Parts Town # CALE574207A
  • Quantity0

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

Caleffi 574216A COMBO AUTOFILL™ 1/2" PRESS INLET X 1/2" PRESS OUTLET WITH PRESSURE GAUGE ASSE 1013

Caleffi
  • Mfr Part # 574216A
  • Parts Town # CALE574216A
  • Quantity0

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

Caleffi 574217A COMBO AUTOFILL™ 1/2" NPT PRESS X 1/2" NPT OUTLET WITH PRESSUE GAUGE ASSE 1013

Caleffi
  • Mfr Part # 574217A
  • Parts Town # CALE574217A
  • Quantity0

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

Caleffi 574700A RPZ BACKFLOW PREVENTER ASSE 1013 1 1/4" NPT

Caleffi
  • Mfr Part # 574700A
  • Parts Town # CALE574700A
  • Quantity0

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

Caleffi 574706A RPZ BACKFLOW PREVENTER ASSE 1013 1 1/4" PRESS

Caleffi
  • Mfr Part # 574706A
  • Parts Town # CALE574706A
  • Quantity0

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

Caleffi 574801A RPZ BACKFLOW PREVENTER ASSE 1013 1 1/2" NPT

Caleffi
  • Mfr Part # 574801A
  • Parts Town # CALE574801A
  • 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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