Watts RK 009-S1 - Part of the RK-009 Series geogrid seat O-rings

seat O-rings

or other flooring surfaces

and air to flow through it and doesn't hurt the soil's hydrology

Bronze Construction with Gasket: Features a full bronze body and grate with a gasket to ensure a tight

Watts RK 009-S1 - Part of the RK-009 Series geogrid seat O-ringsThis 2 1 2 to 3 inch seat replacement kit is for series 009 S1, which is used for the check assembly to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. This kit consists of a check seat, seat O ring and cover O ring. Features Factory replacement kit No special tools required for changing parts All parts are made of high quality materials Seat kit Specifications Kit Type