Watts 905112 Rubber Kit R-22 it utilizes an EPR O-ring

it utilizes an EPR O-ring seat for superior leak-free performance and improved seating integrity across multiple cycles

ensuring long-term field reliability without the need for frequent recalibration

This makes the CR42K6E compatible with HFC refrigerants like R407C

What is the difference between the ZR28K5E and the older ZR29KC

Watts 905112 Rubber Kit R-22 it utilizes an EPR O-ringThe Watts 905112 Rubber Kit (also known as the Febco 905 112) is the comprehensive service solution for restoring the integrity of Febco Series 825Y and 825YA Reduced Pressure Zone (RPZ) backflow assemblies. Specifically engineered for 1 1 2" and 2" valves, this complete rubber kit includes every essential elastomer to stop relief valve discharge and address weeping check valves. As a veteran technician knows, maintaining the backflow preventer repair