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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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  • 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

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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.

...
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 521607A MIXCAL™ 3-WAY MIXING VALVE 1" PEX CRIMP-ASSE 1017

Caleffi
  • Mfr Part # 521607A
  • Parts Town # CALE521607A
  • Quantity0

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

Caleffi 521607AC MIXCAL™ 3-WAY MIXING VALVE 1" PEX CRIMP W/CHECK VALVES-ASSE 1017

Caleffi
  • Mfr Part # 521607AC
  • Parts Town # CALE521607AC
  • Quantity0

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

Caleffi 521608A MIXCAL™ 3-WAY MIXING VALVE 1" PEX EXPANSION-ASSE 1017

Caleffi
  • Mfr Part # 521608A
  • Parts Town # CALE521608A
  • Quantity0

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

Caleffi 521608AC MIXCAL™ 3-WAY MIXING VALVE 1" PEX EXPANSION W/CHECK VALVES-ASSE 1017

Caleffi
  • Mfr Part # 521608AC
  • Parts Town # CALE521608AC
  • Quantity0

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

Caleffi 521609A MIXCAL™ 3-WAY MIXING VALVE 1" SWEAT-ASSE 1017

Caleffi
  • Mfr Part # 521609A
  • Parts Town # CALE521609A
  • Quantity0

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

Caleffi 521609AC MIXCAL™ 3-WAY MIXING VALVE 1" SWEAT W/CHECK VALVES-ASSE 1017

Caleffi
  • Mfr Part # 521609AC
  • Parts Town # CALE521609AC
  • Quantity0

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

Caleffi 521610A MIXCAL™ 3-WAY MIXING VALVE 1" NPT W/ TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 521610A
  • Parts Town # CALE521610A
  • Quantity0

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

Caleffi 521610AC MIXCAL™ 3-WAY MIXING VALVE 1" NPT W/CHECK VALVES & TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 521610AC
  • Parts Town # CALE521610AC
  • Quantity0

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

Caleffi 521616AC MIXCAL™ 3-WAY MIXING VALVE 1" PRESS W/ CHECK VALVES & TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 521616AC
  • Parts Town # CALE521616AC
  • Quantity0

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

Caleffi 521617A MIXCAL™ 3-WAY MIXING VALVE 1" PEX CRIMP W/ TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 521617A
  • Parts Town # CALE521617A
  • Quantity0

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

Caleffi 521617AC MIXCAL™ 3-WAY MIXING VALVE 1" PEX CRIMP W/CHECK VALVES & TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 521617AC
  • Parts Town # CALE521617AC
  • Quantity0

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

Caleffi 521618A MIXCAL™ 3-WAY MIXING VALVE 1" PEX EXPANSION W/ TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 521618A
  • Parts Town # CALE521618A
  • Quantity0

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

Caleffi 521618AC MIXCAL™ 3-WAY MIXING VALVE 1" PEX EXPANSION W/CHECK VALVES & TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 521618AC
  • Parts Town # CALE521618AC
  • Quantity0

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

Caleffi 521619A MIXCAL™ 3-WAY MIXING VALVE 1" SWEAT W/ TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 521619A
  • Parts Town # CALE521619A
  • Quantity0

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

Caleffi 521619AC MIXCAL™ 3-WAY MIXING VALVE 1" SWEAT W/CHECK VALVES & TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 521619AC
  • Parts Town # CALE521619AC
  • Quantity0

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

Caleffi 523160A MIXCAL+™ HIGH FLOW 3-WAY MIXING VALVE 1" NPT-ASSE 1017

Caleffi
  • Mfr Part # 523160A
  • Parts Town # CALE523160A
  • Quantity0

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

Caleffi 523166A MIXCAL+™ HIGH FLOW 3-WAY MIXING VALVE 1" PRESS-ASSE 1017

Caleffi
  • Mfr Part # 523166A
  • Parts Town # CALE523166A
  • Quantity0

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

Caleffi 523168A MIXCAL+™ HIGH FLOW 3-WAY MIXING VALVE 1" SWEAT-ASSE 1017

Caleffi
  • Mfr Part # 523168A
  • Parts Town # CALE523168A
  • Quantity0

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

Caleffi 523170A MIXCAL+™ HIGH FLOW 3-WAY MIXING VALVE 1 1/4" NPT-ASSE 1017

Caleffi
  • Mfr Part # 523170A
  • Parts Town # CALE523170A
  • Quantity0

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

Caleffi 523176A MIXCAL+™ HIGH FLOW 3-WAY MIXING VALVE 1 1/4" PRESS-ASSE 1017

Caleffi
  • Mfr Part # 523176A
  • Parts Town # CALE523176A
  • Quantity0

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

Caleffi 523177A MIXCAL+™ HIGH FLOW 3-WAY MIXING VALVE 1 1/4" SWEAT W/ TEMP GAUGE-ASSE 1017

Caleffi
  • Mfr Part # 523177A
  • Parts Town # CALE523177A
  • Quantity0

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

Caleffi 523178A MIXCAL+™ HIGH FLOW 3-WAY MIXING VALVE 1 1/4" SWEAT-ASSE 1017

Caleffi
  • Mfr Part # 523178A
  • Parts Town # CALE523178A
  • Quantity0

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

Caleffi 523179A MIXCAL+™ HIGH FLOW 3-WAY MIXING VALVE BODY ONLY 7.6CV-ASSE 1017

Caleffi
  • Mfr Part # 523179A
  • Parts Town # CALE523179A
  • Quantity0

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

Caleffi 523180A MIXCAL+™ HIGH FLOW 3-WAY MIXING VALVE 1 1/2" NPT-ASSE 1017

Caleffi
  • Mfr Part # 523180A
  • Parts Town # CALE523180A
  • 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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