It is the primary replacement seal for a wide range of industry-standard controls

The hard chrome plated ball and PTFE washers are designed for low-maintenance operation

closed-cell foam sleeve that acts as a pre-filter and flow dispenser

the K1-8 is rated for high-pressure refrigeration service

Watts 0887294 Kit Els PW 17895 It is the primary replacementThe Watts 0887294 (also identified as RK009 VT) is a high performance reduced pressure zone assembly repair kit designed specifically for 1 4" and 1 2" Series 009 backflow preventers. As a veteran technician knows, maintaining the integrity of the relief valve assembly is critical for preventing back siphonage and protecting potable water systems from contamination. This total relief valve kit provides a direct factory solution for internal component