Flo Control Swing Check Valve [1-1/2" Slip] [True Union] (1720C15) pvcfittings The M7 design also matters

The M7 design also matters because it aligns the heater with a system style many Balboa-equipped spas were originally built to use

Corona discharge ozonator for compatible DEL Ozone SpaEclipse Gen 2 applications

Matching the correct 5/8 inch shaft size and Buna material helps preserve intended fit and restore dependable sealing at the wet end

supporting the spa experience and overall jet performance

Installed in the right setup

Flo Control Swing Check Valve [1-1/2" Slip] [True Union] (1720C15) pvcfittings The M7 design also mattersA true union swing check valve helps maintain one way flow in a compatible plumbing system while also allowing easier removal for service, and this Flo Control valve is designed with 1 1 2 inch slip connections using the 1720C15 reference. When a check valve becomes unreliable or difficult to access, plumbing performance and maintenance efficiency can both suffer. The 1 1 2 inch size, swing check design, and true union construction give this valve