Pentair UltraTemp Defrost Sensor Probe Thermistor (473665Z) grundfos Replacement manifolds help restore proper

Replacement manifolds help restore proper upper flow distribution in larger compatible filter systems

or missing lid knobs

Helps restore dependable over-temperature protection

The added handle also helps make removal and cleaning more convenient

supporting dependable chemical-feed operation

Pentair UltraTemp Defrost Sensor Probe Thermistor (473665Z) grundfos Replacement manifolds help restore properThis defrost sensor probe thermistor is used in compatible Pentair UltraTemp heat pumps to monitor temperature conditions related to defrost control. Accurate sensor feedback helps the system determine when frost management is needed and supports proper heat pump operation in cooler or humid conditions. A failed or inaccurate thermistor can contribute to error codes, poor heating performance, or improper defrost behavior. Replacing the sensor is a