Watts LFRK 909-CK1 4 - Part of the RK-LF909 Series Window Well Extension It combines angle and horizontal

It combines angle and horizontal checks and consists of an iron body construction with female threaded connections

Bubble tight seating

NPT threaded male inlet connection

unit ventilators

Sensing Passage O-ring Kit Type First Check Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268651331

Watts LFRK 909-CK1 4 - Part of the RK-LF909 Series Window Well Extension It combines angle and horizontalThis repair kit is for the replacement of the 4 inch Watts lead free backflow preventer first check valve series 909. It consists of a disc assembly, spring and a cover O ring. Features Factory replacement kit No special tools required for changing parts Parts made of high quality material Original parts insure long service life Specifications Compatible Series or Model LF909, 909 Compatible Size Used On 4 IN Kit Contents Disc and Spring Assembly,