Watkins Wellness 1.5" Check Valve w/ Spring 71981 Brand_Polaris You still need to add

You still need to add a small amount of dichlor or MPS (non-chlorine shock) regularly to oxidize organics and keep water clear

This component plays a critical role in the ignition and safety system by detecting heat from the fire and signaling the control box to continue fuel feed and maintain flame operation

C-Series C 30 2006-2009

The connector is a DSMT connection

Watkins Wellness 1.5" Check Valve w/ Spring 71981 Brand_Polaris You still need to addWatkins Wellness 1. 5" Check Valve w Spring 71981 Overview A Watkins Wellness replacement part. A check valve is a one way valve that allows water (or air) to flow in only one direction and prevents it from flowing backward. What's in the Box 1 x Watkins Wellness 1. 5" Check Valve w Spring 71981 Brand Watkins Wellness