Y-Check Valve, True Union, 4", CPVC/FPM, Threaded MPN:YC20400TU

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Brand: Hayward
Part #: YC20400TU
UPC: 610377226813
SKU
510-G7125413
Regular Price $3,097.49 Special Price $2,212.49

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Y-Check Valve, True Union, 4", CPVC/FPM, Threaded

The Hayward Y-Check Valve is a reliable and efficient solution for various applications, including pool and spa systems, water treatment, and plumbing. Its true union design allows for easy installation and removal, while the CPVC/FPM construction ensures durability and resistance to corrosion. With a flow rate of 240 gpm, this valve can handle high water pressures and temperatures up to 140°F. Suitable for horizontal and vertical mounting, it's perfect for use in residential and commercial settings where a single check valve is required. Its compact size and lightweight design make it easy to install and maintain.

Top product features:

  • True Union design allows for easy removal and replacement of the valve without disturbing the surrounding piping.
  • The valve has a single flow design, allowing for unidirectional flow and preventing backflow.
  • The valve is rated for a maximum temperature of 140°F and a maximum water pressure of 150 psi at 70°F.

Top product applications:

  • Water Heater Installation
  • Swimming Pool Equipment Installation
  • Boiler System Protection
  • HAYWARD FLOW CONTROL YC20400TU is a 4 in. true union Y-check valve for process piping systems handling water. This Y-style, single-flow check valve uses a piston check mechanism configured for single-direction flow. It includes true union connections designed to permit valve removal for cleaning, inspection, or replacement at the union connections. The valve has a PVC body, a CPVC check mechanism, FNPT x FNPT threaded connections, and can be mounted horizontally or vertically.

    Key Features:

    • Type: True union Y-check valve with Y-style body and piston check mechanism.
    • Size and connections: 4 in. nominal valve size with female NPT threaded connections on both ends (FNPT x FNPT).
    • Materials: PVC body with CPVC check mechanism.
    • Seal and seat material: FPM seal and seat.
    • Flow capacity: 240 gpm
    • Cv 240.
    • Pressure ratings: 150 psi maximum operating pressure
    • 150 psi maximum water pressure at 70 degrees F.
    • Temperature range: 34 degrees F minimum operating temperature to 190 degrees F maximum operating temperature.
    • Cracking pressure: 1.0 psi.
    • Flow path: Full-flow, single-flow design.
    • Mounting orientation: Horizontal or vertical.
    • Dimensions: 21.23 in. overall length, 13 5/32 in. overall height, 8 9/16 in. width.
    • Standard: ASTM D1784.



Additional Information

  • Country of Origin: US
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 10 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 17.00
  • Package Width: 14.00
  • Package Height: 8.00
  • Package Weight: 21.10
Product info last updated on February 17, 2026 1:02am UTC Category: Pipes, Valves and Fittings
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