Jandy® check valve internal spring mechanism.
Also, check out the new Heavy Duty Replacement.
- Clear lid with red seal for easy inspection
- Easy to disassemble when clearing debris
- Corrosion resistant stainless steel swing
- 1 lb. spring
- Highly resistant to Chlorine
- Minimal hydraulic loss
- Unique swing/spring design
- Can be installed in straight-through and 90° pipes
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