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The CPC COLDER PRODUCTS PLCD1700612 is a polypropylene inline hose barb to female socket coupling designed for fluid line connections in industrial, HVAC, and plumbing applications. With a 1/4 inch nominal flow size and a 3/8 inch inner diameter barb end, this shutoff-style coupling handles up to 120 psi working pressure across a temperature range of 32 to 160 degrees F. The body is molded from polypropylene for chemical resistance and light weight, and the EPDM o-ring provides a reliable seal under repeated connect and disconnect cycles. Licensed tradespeople and fluid system technicians install this fitting where a secure, leak-resistant inline connection is required.
This coupling is suited for residential and light commercial fluid systems including cooling lines, water distribution, and process fluid circuits. It is installed inline within a hose or tubing run, connecting to a female socket half of a compatible quick-disconnect set. The hose barb end accepts 3/8 inch ID flexible tubing. The shutoff valve type allows the line to be closed when the coupling halves are separated, helping to minimize fluid spillage during service or component replacement.
Designed as an OEM-style inline hose barb female socket coupling compatible with 3/8 inch ID flexible tubing in fluid systems requiring up to 120 psi working pressure.
Installation should be performed by a qualified plumber, HVAC technician, or fluid systems technician. Shut off and depressurize the fluid system before disconnecting or installing any coupling. Ensure the hose barb is fully seated and the tubing is secured with an appropriate clamp to prevent blowoff under pressure. Verify the system fluid and temperature are compatible with polypropylene and EPDM materials before placing the fitting into service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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