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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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Refined By

Brand
Caleffi

Model

loading spinner

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

Caleffi 121141A3G5 FLOWCAL 1/2 NPT 3.5 GPM

Caleffi
  • Mfr Part # 121141A3G5
  • Parts Town # CALE121141A3G5
  • Quantity0

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

Caleffi 121141A4G0 FLOWCAL 1/2 NPT 4 GPM

Caleffi
  • Mfr Part # 121141A4G0
  • Parts Town # CALE121141A4G0
  • Quantity0

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

Caleffi 121141A4G5 FLOWCAL 1/2 NPT 4.5 GPM

Caleffi
  • Mfr Part # 121141A4G5
  • Parts Town # CALE121141A4G5
  • Quantity0

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

Caleffi 121141A5G0 FLOWCAL 1/2 NPT 5 GPM

Caleffi
  • Mfr Part # 121141A5G0
  • Parts Town # CALE121141A5G0
  • Quantity0

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

Caleffi 121141A6G0 FLOWCAL 1/2 NPT 6 GPM

Caleffi
  • Mfr Part # 121141A6G0
  • Parts Town # CALE121141A6G0
  • Quantity0

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

Caleffi 121141A7G0 FLOWCAL 1/2 NPT 7 GPM

Caleffi
  • Mfr Part # 121141A7G0
  • Parts Town # CALE121141A7G0
  • Quantity0

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

Caleffi 121141A8G0 FLOWCAL 1/2 NPT 8 GPM

Caleffi
  • Mfr Part # 121141A8G0
  • Parts Town # CALE121141A8G0
  • Quantity0

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

Caleffi 121141A9G0 FLOWCAL 1/2 NPT 9 GPM

Caleffi
  • Mfr Part # 121141A9G0
  • Parts Town # CALE121141A9G0
  • Quantity0

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

Caleffi 121141AG35 FLOWCAL 1/2 NPT .35 GPM

Caleffi
  • Mfr Part # 121141AG35
  • Parts Town # CALE121141AG35
  • Quantity0

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

Caleffi 121141AG50 FLOWCAL 1/2 NPT .5 GPM

Caleffi
  • Mfr Part # 121141AG50
  • Parts Town # CALE121141AG50
  • Quantity0

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

Caleffi 121141AG75 FLOWCAL 1/2 NPT .75 GPM

Caleffi
  • Mfr Part # 121141AG75
  • Parts Town # CALE121141AG75
  • Quantity0

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

Caleffi 121149A FLOWCAL 1/2 SWT

Caleffi
  • Mfr Part # 121149A
  • Parts Town # CALE121149A
  • Quantity0

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

Caleffi 121149A10G FLOWCAL 1/2 SWT 10 GPM

Caleffi
  • Mfr Part # 121149A10G
  • Parts Town # CALE121149A10G
  • Quantity0

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

Caleffi 121149A1G0 FLOWCAL 1/2 SWT 1 GPM

Caleffi
  • Mfr Part # 121149A1G0
  • Parts Town # CALE121149A1G0
  • Quantity0

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

Caleffi 121149A1G3 FLOWCAL 1/2 SWT 1.3 GPM

Caleffi
  • Mfr Part # 121149A1G3
  • Parts Town # CALE121149A1G3
  • Quantity0

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

Caleffi 121149A1G5 FLOWCAL 1/2 SWT 1.5 GPM

Caleffi
  • Mfr Part # 121149A1G5
  • Parts Town # CALE121149A1G5
  • Quantity0

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

Caleffi 121149A1G7 FLOWCAL 1/2 SWT 1.7 GPM

Caleffi
  • Mfr Part # 121149A1G7
  • Parts Town # CALE121149A1G7
  • Quantity0

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

Caleffi 121149A2G0 FLOWCAL 1/2 SWT 2 GPM

Caleffi
  • Mfr Part # 121149A2G0
  • Parts Town # CALE121149A2G0
  • Quantity0

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

Caleffi 121149A2G2 FLOWCAL 1/2 SWT 2.2 GPM

Caleffi
  • Mfr Part # 121149A2G2
  • Parts Town # CALE121149A2G2
  • Quantity0

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

Caleffi 121149A2G5 FLOWCAL 1/2 SWT 2.5 GPM

Caleffi
  • Mfr Part # 121149A2G5
  • Parts Town # CALE121149A2G5
  • Quantity0

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

Caleffi 121149A2G6 FLOWCAL 1/2 SWT 2.6 GPM

Caleffi
  • Mfr Part # 121149A2G6
  • Parts Town # CALE121149A2G6
  • Quantity0

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

Caleffi 121149A3G0 FLOWCAL 1/2 SWT 3 GPM

Caleffi
  • Mfr Part # 121149A3G0
  • Parts Town # CALE121149A3G0
  • Quantity0

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

Caleffi 121149A3G5 FLOWCAL 1/2 SWT 3.5 GPM

Caleffi
  • Mfr Part # 121149A3G5
  • Parts Town # CALE121149A3G5
  • Quantity0

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

Caleffi 121149A4G0 FLOWCAL 1/2 SWT 4 GPM

Caleffi
  • Mfr Part # 121149A4G0
  • Parts Town # CALE121149A4G0
  • 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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