Grundfos 00525530 Check Valve Assembly 321894-709 As a pilot-operated refrigeration solenoid

As a pilot-operated refrigeration solenoid valve

Refer to the wiring diagram on your furnace door to match the flash count with the corresponding fault

it is engineered for multi-refrigerant compatibility

or a failure of the pressure switch to close

Grundfos 00525530 Check Valve Assembly 321894-709 As a pilot-operated refrigeration solenoidThe 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