Parts town. Get real parts faster

Shopping Cart

Skip to NavigationSkip to Content
Loading...
Loading...
CAD
Multi-SKU Order
LoginRegister
Parts town. Get real parts faster

Find Equipment Manuals

Loading...
Loading...
Parts Town Logo

1-Hour Pickup Available

get special offers & news from parts town

800.239.5152
Loading...
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal
© 2026 Parts Town. All rights reserved.
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal

Stock Up on Real OEM HVAC Parts for the Summer Season! SHOP NOW

Call: 800.239.5152
Hvac Parts
TECHTOWN
Track My Order

Important Update: Click here for the latest information on tariffs and their impact on our industry.

Help Desk

  • Contact Us
  • Shipping
  • Taxes And Fees
  • Returns
  • FAQ

Inside Parts Town

  • About Us
  • Careers
  • Our Difference
  • Resource Center
  • Parts Town Blog
  • techtown
  • International

Technology and Innovations

  • Parts Town App
  • Serial Number Lookup
  • Smart Manuals
  • Website Features
  • Terms of Use
  • Privacy Policy
  • Privacy Request

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.

...
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.

...

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

Caleffi 681524 1/2 PEX FITTING W/CHROME NUT

Caleffi
  • Mfr Part # 681524
  • Parts Town # CALE681524
  • Quantity0

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

Caleffi 681555 3/4 PEX FITTING W/CHROME NUT

Caleffi
  • Mfr Part # 681555
  • Parts Town # CALE681555
  • Quantity0

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

Caleffi 682530A 3/8 PEX-AL-PEX FITTING

Caleffi
  • Mfr Part # 682530A
  • Parts Town # CALE682530A
  • Quantity0

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

Caleffi 682540A 1/2 PEX-AL-PEX FITTING

Caleffi
  • Mfr Part # 682540A
  • Parts Town # CALE682540A
  • Quantity0

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

Caleffi 682545A 5/8 PEX-AL-PEX FITTING

Caleffi
  • Mfr Part # 682545A
  • Parts Town # CALE682545A
  • Quantity0

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

Caleffi 682550A 3/4 PEX-AL-PEX FITTING

Caleffi
  • Mfr Part # 682550A
  • Parts Town # CALE682550A
  • Quantity0

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

Caleffi 688003A MANIFOLD GAGE 50MM 210 F

Caleffi
  • Mfr Part # 688003A
  • Parts Town # CALE688003A
  • Quantity0

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

Caleffi 69122CST VALVE SERIES 668

Caleffi
  • Mfr Part # 69122CST
  • Parts Town # CALE69122CST
  • Quantity0

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

Caleffi 755052 MODBUS-TO-BACNET GATEWAY

Caleffi
  • Mfr Part # 755052
  • Parts Town # CALE755052
  • Quantity0

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

Caleffi 940451 FITTINGS 1/2M X 3/4M W/O-RINGS

Caleffi
  • Mfr Part # 940451
  • Parts Town # CALE940451
  • Quantity0

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

Caleffi 942550 SLEEVE 3/4 X 3/4

Caleffi
  • Mfr Part # 942550
  • Parts Town # CALE942550
  • Quantity0

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

Caleffi CBN116140 INSULATION JACKET FOR 1161, 1162, 1163, 1/2", 3/4"

Caleffi
  • Mfr Part # CBN116140
  • Parts Town # CALECBN116140
  • Quantity0

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

Caleffi CBN116160 INSULATION JACKET FOR 1161, 1162, 1163, 1", 1-1/4"

Caleffi
  • Mfr Part # CBN116160
  • Parts Town # CALECBN116160
  • Quantity0

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

Caleffi CBN116440 INSULATION JACKET FOR 1164, 1/2, 3/4

Caleffi
  • Mfr Part # CBN116440
  • Parts Town # CALECBN116440
  • Quantity0

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

Caleffi CBN130400 INSULATION FOR 130400-400A

Caleffi
  • Mfr Part # CBN130400
  • Parts Town # CALECBN130400
  • Quantity0

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

Caleffi CBN130500 INSULATION FOR 130500A

Caleffi
  • Mfr Part # CBN130500
  • Parts Town # CALECBN130500
  • Quantity0

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

Caleffi CBN130600 INSULATION FOR 130600A

Caleffi
  • Mfr Part # CBN130600
  • Parts Town # CALECBN130600
  • Quantity0

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

Caleffi CBN130700 INSULATION FOR 130700A

Caleffi
  • Mfr Part # CBN130700
  • Parts Town # CALECBN130700
  • Quantity0

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

Caleffi CBN130800 INSULATION FOR 130800A

Caleffi
  • Mfr Part # CBN130800
  • Parts Town # CALECBN130800
  • Quantity0

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

Caleffi CBN130900 INSULATION FOR 130900A

Caleffi
  • Mfr Part # CBN130900
  • Parts Town # CALECBN130900
  • Quantity0

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

Caleffi CBN142241A INSULATION-142241A BALANCE VALVE

Caleffi
  • Mfr Part # CBN142241A
  • Parts Town # CALECBN142241A
  • Quantity0

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

Caleffi CBN142251A INSULATION-142251A BALANCE VALVE

Caleffi
  • Mfr Part # CBN142251A
  • Parts Town # CALECBN142251A
  • Quantity0

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

Caleffi CBN142261A INSULATION-142261A BALANCE VALVE

Caleffi
  • Mfr Part # CBN142261A
  • Parts Town # CALECBN142261A
  • Quantity0

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

Caleffi CBN142271A INSULATION-142271A BALANCE VALVE

Caleffi
  • Mfr Part # CBN142271A
  • Parts Town # CALECBN142271A
  • Quantity0

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

147148149