Winter Pool Plug with Blow Thru Valve for 2 Inch Fitting - # 12 monitors_pH It is used with the

It is used with the Rain Roof (#MP90000)

FC-0770 and 17B1166

3-Phase 200-208 Volts 60 Hz

gases or oxidants are added to the water

Winter Pool Plug with Blow Thru Valve for 2 Inch Fitting - # 12 monitors_pH It is used with theThis number 12 pool plug with valve creates a tight seal for a 2 inch PVC fitting. Includes a blow through valve for inserting compressed air into lines. Open stem plugs (or plugs with blow thru valves) use the same rubber, large wing nuts and corrosion free materials as closed plugs except they have an opening that passes through the center of the stem. They are similar to bike tire valves. This opening allows introduction of air or water pressure