Watts 0887185 Rubber Parts Kit R-410A and moisture from migrating into

and moisture from migrating into the valve packing box

This specific model is optimized for room temperature sensing

suggesting either a mechanical switch failure or an actual lack of static pressure in the ductwork

or black iron pipe

Watts 0887185 Rubber Parts Kit R-410A and moisture from migrating intoThe Watts 0887185 (RK 009 RT 1 1 4 2) is a comprehensive rubber parts kit engineered for the field service and maintenance of 1 1 4" to 2" Watts 009 Series Reduced Pressure Zone (RPZ) assemblies. Designed for high performance backflow prevention, this 009 RT RK repair kit includes all necessary elastomeric components to restore the seal integrity of both the first and second check valves, as well as the relief valve assembly. This kit is a direct