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White PVC inline check valve with threaded and socket ends

HAYWARD POOL PRODUCTS INC

HAYWARD POOL PRODUCTS INC TC10100ST 1" PVC Check Valve Trap

SKU CH-SFXR-41WBK MPN TC10100ST

A 1-inch inline true-union check valve with Viton seals that opens at 3 psi and handles 18 gpm up to 235 psi at 70 Degrees F

  • TypeDrain Components
  • MaterialHAWA
  • Prevents backflow with true union inline design
  • Handles 18 gpm full flow at 3 psi cracking pressure
  • Viton seals withstand 40 to 140 Degrees F
  • PVC body rated for 235 psi at 70 Degrees F
  • 1 inch FNPT by socket connection fits standard plumbing

1" PVC Check Valve Trap

The Hayward TC10100ST is a 1-inch inline true union check valve built from PVC with Viton seals. It suits pool and spa plumbing where a compact, corrosion-resistant backflow preventer is required for vertical mounting.

Thermals, noise and power

The valve operates passively with no electrical draw and produces no noise. It handles water up to 140 degrees F at 235 psi at 70 degrees F and functions down to 40 degrees F with a low 3 psi cracking pressure.

Build fit and flow

The FNPT by socket connection integrates directly into 1-inch piping without extra adapters. Full-flow design delivers 18 gpm without restricting the line, while the true union body allows easy removal for inspection or cleaning.

Highlights

  • Prevents backflow with true union inline design
  • Handles 18 gpm full flow at 3 psi cracking pressure
  • Viton seals withstand 40 to 140 Degrees F
  • PVC body rated for 235 psi at 70 Degrees F
  • 1 inch FNPT by socket connection fits standard plumbing

Specifications

TypeDrain Components
MaterialHAWA
BrandHayward
ModelTC10100ST

Questions about this item

How do I install the TC10100ST check valve and which orientation mistake should I avoid?

Install vertically with FNPT threads upstream and solvent-weld the socket downstream; the valve only seals against backflow when mounted vertically, so horizontal fitting lets water bypass the disc.

What part will need replacement first on the TC10100ST and how often?

The Viton seat and seal degrade with chlorine exposure; plan to inspect them annually and replace if the valve no longer holds 3 psi cracking pressure.

At what sustained temperature does the TC10100ST PVC body hit its pressure limit first?

At 140 °F the maximum working pressure drops from 235 psi, so continuous hot-water circulation above that temperature reaches the material limit before the 18 gpm flow rating does.

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