Watts LFRK 909-CK2 4 - Part of the RK-LF909 Series Basement Window Well and thermal expansion bypass feature

and thermal expansion bypass feature

Low-profile dome strainer minimizes roof obstruction

or any space where the floor design must flow uninterrupted

Z150F-4NH-DG

Watts LFRK 909-CK2 4 - Part of the RK-LF909 Series Basement Window Well and thermal expansion bypass featureThis repair kit is for the replacement of the 4 inch Watts backflow preventer second check valve lead free 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,