Watts RK 709-RT 8 - Part of the RK-709 Series ground-shipping The heavy duty plastic material

The heavy duty plastic material which is tear and puncture resistant as well as waterproof

glycol anti-freeze and temperatures up to 240 degrees F in heating systems and methanol based anti-freeze solutions in ground-source heat pump loops

sensing passage O-ring

It comes with an integrated anchor flange

The maximum working temperature is 200 degrees F

Watts RK 709-RT 8 - Part of the RK-709 Series ground-shipping The heavy duty plastic materialThis complete rubber parts kit provides all the parts necessary to repair or replace the rubber parts on a 8 inch double check valve assembly backflow preventer, model 709. This kit consist of two disc and two cover O rings. Features Factory replacement kit No special tools required for servicing All parts are made of high quality materials Serviceable in the field Specifications Buy American Act Compliant NO Compatible Series or Model 709 Compatible