Thermal Stability: Heavy-gauge construction handles rapid cycling without the deformation risks associated with lower-grade aftermarket alternatives

Always verify the root cause of the thermal trip—such as a failing blower motor or restricted ductwork—prior to installation to ensure reliable system operation and to avoid repeated component failure

Built to withstand the high-pressure environment of steam boiler systems

Testing the sensor for continuity at specific temperature points is the standard diagnostic procedure

Watts 0887292 Repair Kit Thermal Stability: Heavy-gauge construction handlesThe Watts 0887292 (RK 009 CK2) is a professional grade second check repair kit engineered specifically for 1 4" and 1 2" Reduced Pressure Zone (RPZ) assemblies. Designed for the Watts Series 009 and LF009 backflow preventers, this factory replacement kit ensures the integrity of the second check module, which is critical for preventing backsiphonage and securing the potable water supply. This 1 2" backflow repair kit includes a complete second check