use a multimeter to check for line voltage at the switch terminals

Constructed with high-grade stainless steel components

Can I use a generic DPST relay instead of the CNT0696

This assembly typically utilizes 18 AWG stranded wire

Grundfos 00525530 Check Valve Assembly 318973-401 use a multimeter to checkThe Grundfos 00525530 Check Valve Assembly is a critical replacement component engineered specifically for UPS26 99FC and UPS26 99BFC series circulator pumps. As a veteran technician knows, maintaining unidirectional flow is vital in hydronic heating and cooling systems to prevent ghost flows and thermal siphoning. This 1 4 inch check valve kit comes as a complete field service solution, including the high durometer gasket, tailpiece, and specialized