Watkins Wellness 70173 Water Check Valve 1/2 in. Type_Thermo Pile On a drop-in cartridge

On a drop-in cartridge

Features a fully unitized twist-lock construction in 5" x 8" vent size

reliable sanitation with zero chlorine — and without the unpleasant side effects associated with other non-chlorine approaches

Most specialty dealers test phosphates as part of a full water analysis

1 x DuraVent 3PVP-WT PelletVent Pro Wall Thimble - 3"

Watkins Wellness 70173 Water Check Valve 1/2 in. Type_Thermo Pile On a drop-in cartridgeWatkins Wellness 70173 Water Check Valve 1 2 in. Overview A valve water check, commonly known as a check valve, is a crucial component in a hot tub's plumbing system. Its primary function is to prevent water from flowing backward in the plumbing lines. This one way valve allows water to flow in only one direction, ensuring that water circulates through the hot tub system in the intended manner. Whats in the Box 1 x Watkins Wellness 70173 Water Check