Watts RK 919-CK1 3/4 - Part of the RK-919 Series Woven Fabric It features an extended shank

It features an extended shank for installation on water heaters with extra thick insulation as well as a bronze body with NPT male inlet and NPT female outlet connections

Add both a bottom and side outlet along the channel run with one component: the 5 in

Premolded Joint Filler For Concrete provides a durable solution for accommodating the natural movement of concrete surfaces

Epoxy coated cast iron body

Watts RK 919-CK1 3/4 - Part of the RK-919 Series Woven Fabric It features an extended shankThis first check repair kit provides all the parts necessary to repair or replace the first check on a 3 4 inch reduced pressure zone assembly backflow preventer, model LF919. This kit consists of the check assembly, spring, and cover O ring. Features Factory replacement kit No special tools required for servicing All parts are made of high quality materials Serviceable in the field Specifications Compatible Series or Model 919 Compatible Size Used On