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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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Brand
Caleffi

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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.

...

Caleffi 127000A4G0 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD 4 GPM

Caleffi
  • Mfr Part # 127000A4G0
  • Parts Town # CALE127000A4G0
  • Quantity0

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

Caleffi 127000A4G5 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD 4.5 GPM

Caleffi
  • Mfr Part # 127000A4G5
  • Parts Town # CALE127000A4G5
  • Quantity0

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

Caleffi 127000A5G0 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD 5 GPM

Caleffi
  • Mfr Part # 127000A5G0
  • Parts Town # CALE127000A5G0
  • Quantity0

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

Caleffi 127000A6G0 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD 6 GPM

Caleffi
  • Mfr Part # 127000A6G0
  • Parts Town # CALE127000A6G0
  • Quantity0

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

Caleffi 127000A7G0 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD 7 GPM

Caleffi
  • Mfr Part # 127000A7G0
  • Parts Town # CALE127000A7G0
  • Quantity0

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

Caleffi 127000A8G0 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD 8 GPM

Caleffi
  • Mfr Part # 127000A8G0
  • Parts Town # CALE127000A8G0
  • Quantity0

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

Caleffi 127000A9G0 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD 9 GPM

Caleffi
  • Mfr Part # 127000A9G0
  • Parts Town # CALE127000A9G0
  • Quantity0

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

Caleffi 127000AG35 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD .35 GPM

Caleffi
  • Mfr Part # 127000AG35
  • Parts Town # CALE127000AG35
  • Quantity0

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

Caleffi 127000AG50 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD .5 GPM

Caleffi
  • Mfr Part # 127000AG50
  • Parts Town # CALE127000AG50
  • Quantity0

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

Caleffi 127000AG75 FLOWCAL™ LOW LEAD BODY AND ONLY LOW LEAD .75 GPM

Caleffi
  • Mfr Part # 127000AG75
  • Parts Town # CALE127000AG75
  • Quantity0

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

Caleffi 127140AFC FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD

Caleffi
  • Mfr Part # 127140AFC
  • Parts Town # CALE127140AFC
  • Quantity0

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

Caleffi 127140AFC10G FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 10 GPM

Caleffi
  • Mfr Part # 127140AFC10G
  • Parts Town # CALE127140AFC10G
  • Quantity0

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

Caleffi 127140AFC1G0 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 1 GPM

Caleffi
  • Mfr Part # 127140AFC1G0
  • Parts Town # CALE127140AFC1G0
  • Quantity0

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

Caleffi 127140AFC1G3 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 1.3 GPM

Caleffi
  • Mfr Part # 127140AFC1G3
  • Parts Town # CALE127140AFC1G3
  • Quantity0

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

Caleffi 127140AFC1G5 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 1.5 GPM

Caleffi
  • Mfr Part # 127140AFC1G5
  • Parts Town # CALE127140AFC1G5
  • Quantity0

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

Caleffi 127140AFC1G7 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 1.7 GPM

Caleffi
  • Mfr Part # 127140AFC1G7
  • Parts Town # CALE127140AFC1G7
  • Quantity0

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

Caleffi 127140AFC2G0 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 2 GPM

Caleffi
  • Mfr Part # 127140AFC2G0
  • Parts Town # CALE127140AFC2G0
  • Quantity0

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

Caleffi 127140AFC2G2 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 2.2 GPM

Caleffi
  • Mfr Part # 127140AFC2G2
  • Parts Town # CALE127140AFC2G2
  • Quantity0

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

Caleffi 127140AFC2G5 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 2.5 GPM

Caleffi
  • Mfr Part # 127140AFC2G5
  • Parts Town # CALE127140AFC2G5
  • Quantity0

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

Caleffi 127140AFC2G6 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 2.6 GPM

Caleffi
  • Mfr Part # 127140AFC2G6
  • Parts Town # CALE127140AFC2G6
  • Quantity0

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

Caleffi 127140AFC3G0 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 3 GPM

Caleffi
  • Mfr Part # 127140AFC3G0
  • Parts Town # CALE127140AFC3G0
  • Quantity0

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

Caleffi 127140AFC3G5 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 3.5 GPM

Caleffi
  • Mfr Part # 127140AFC3G5
  • Parts Town # CALE127140AFC3G5
  • Quantity0

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

Caleffi 127140AFC4G0 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 4 GPM

Caleffi
  • Mfr Part # 127140AFC4G0
  • Parts Town # CALE127140AFC4G0
  • Quantity0

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

Caleffi 127140AFC4G5 FLOWCAL†™ 1/2" MNPT W/GAUGE,CHECK LOW LEAD 4.5 GPM

Caleffi
  • Mfr Part # 127140AFC4G5
  • Parts Town # CALE127140AFC4G5
  • 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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