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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.

No matching models were found. Please try changing your search keyword or adjusting your search selections.

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Brand
Caleffi

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loading spinner

Part Category

  • Actuators(1)
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  • 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

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 121169A5G0 FLOWCAL 1 SWT 5 GPM

Caleffi
  • Mfr Part # 121169A5G0
  • Parts Town # CALE121169A5G0
  • Quantity0

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

Caleffi 121169A6G0 FLOWCAL 1 SWT 6 GPM

Caleffi
  • Mfr Part # 121169A6G0
  • Parts Town # CALE121169A6G0
  • Quantity0

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

Caleffi 121169A7G0 FLOWCAL 1 SWT 7 GPM

Caleffi
  • Mfr Part # 121169A7G0
  • Parts Town # CALE121169A7G0
  • Quantity0

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

Caleffi 121169A8G0 FLOWCAL 1 SWT 8 GPM

Caleffi
  • Mfr Part # 121169A8G0
  • Parts Town # CALE121169A8G0
  • Quantity0

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

Caleffi 121169A9G0 FLOWCAL 1 SWT 9 GPM

Caleffi
  • Mfr Part # 121169A9G0
  • Parts Town # CALE121169A9G0
  • Quantity0

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

Caleffi 121171A FLOWCAL 11/4 NPT

Caleffi
  • Mfr Part # 121171A
  • Parts Town # CALE121171A
  • Quantity0

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

Caleffi 121171A10G FLOWCAL 11/4 NPT 10 GPM

Caleffi
  • Mfr Part # 121171A10G
  • Parts Town # CALE121171A10G
  • Quantity0

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

Caleffi 121171A11G FLOWCAL 11/4 NPT 11 GPM

Caleffi
  • Mfr Part # 121171A11G
  • Parts Town # CALE121171A11G
  • Quantity0

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

Caleffi 121171A12G FLOWCAL 11/4 NPT 12 GPM

Caleffi
  • Mfr Part # 121171A12G
  • Parts Town # CALE121171A12G
  • Quantity0

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

Caleffi 121171A13G FLOWCAL 11/4 NPT 13 GPM

Caleffi
  • Mfr Part # 121171A13G
  • Parts Town # CALE121171A13G
  • Quantity0

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

Caleffi 121171A14G FLOWCAL 11/4 NPT 14 GPM

Caleffi
  • Mfr Part # 121171A14G
  • Parts Town # CALE121171A14G
  • Quantity0

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

Caleffi 121171A15G FLOWCAL 11/4 NPT 15 GPM

Caleffi
  • Mfr Part # 121171A15G
  • Parts Town # CALE121171A15G
  • Quantity0

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

Caleffi 121171A16G FLOWCAL 11/4 NPT 16 GPM

Caleffi
  • Mfr Part # 121171A16G
  • Parts Town # CALE121171A16G
  • Quantity0

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

Caleffi 121171A17G FLOWCAL 11/4 NPT 17 GPM

Caleffi
  • Mfr Part # 121171A17G
  • Parts Town # CALE121171A17G
  • Quantity0

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

Caleffi 121171A18G FLOWCAL 11/4 NPT 18 GPM

Caleffi
  • Mfr Part # 121171A18G
  • Parts Town # CALE121171A18G
  • Quantity0

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

Caleffi 121171A19G FLOWCAL 11/4 NPT 19 GPM

Caleffi
  • Mfr Part # 121171A19G
  • Parts Town # CALE121171A19G
  • Quantity0

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

Caleffi 121171A1G0 FLOWCAL 11/4 NPT 1 GPM

Caleffi
  • Mfr Part # 121171A1G0
  • Parts Town # CALE121171A1G0
  • Quantity0

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

Caleffi 121171A20G FLOWCAL 11/4 NPT 20 GPM

Caleffi
  • Mfr Part # 121171A20G
  • Parts Town # CALE121171A20G
  • Quantity0

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

Caleffi 121171A21G FLOWCAL 11/4 NPT 21 GPM

Caleffi
  • Mfr Part # 121171A21G
  • Parts Town # CALE121171A21G
  • Quantity0

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

Caleffi 121171A4G0 FLOWCAL 11/4 NPT 4 GPM

Caleffi
  • Mfr Part # 121171A4G0
  • Parts Town # CALE121171A4G0
  • Quantity0

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

Caleffi 121171A4G5 FLOWCAL 11/4 NPT 4.5 GPM

Caleffi
  • Mfr Part # 121171A4G5
  • Parts Town # CALE121171A4G5
  • Quantity0

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

Caleffi 121171A5G0 FLOWCAL 11/4 NPT 5 GPM

Caleffi
  • Mfr Part # 121171A5G0
  • Parts Town # CALE121171A5G0
  • Quantity0

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

Caleffi 121171A6G0 FLOWCAL 11/4 NPT 6 GPM

Caleffi
  • Mfr Part # 121171A6G0
  • Parts Town # CALE121171A6G0
  • Quantity0

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

Caleffi 121171A7G0 FLOWCAL 11/4 NPT 7 GPM

Caleffi
  • Mfr Part # 121171A7G0
  • Parts Town # CALE121171A7G0
  • 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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