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and other Pentair filter models using 2-inch bulkhead fittings
It is not a drop in replacement for auxiliary pumps identified as pump 2
Pentair 4000 Series filters
It helps manage motor operation and is intended for use as a direct service replacement when the original board fails or becomes unresponsive
providing optimal performance and extended filter cycles for residential pools and spas
Harwil HRQ12D Flow Switch 1/2" Mpt Long Stem Pilot Duty SPNO Washer and other Pentair filter modelsHarwil HRQ12D Flow Switch 1 2" MPT Long Stem, Pilot Duty SPNO Reliable Flow Detection Ensures accurate water flow monitoring, protecting pumps, heaters, and critical hydronic equipment in pools, spas, water heaters, and boilers. 1 2" MPT Long Stem Design Male pipe thread for direct inline installation; extended stem for deeper pipe runs and retrofit needs. Durable & Versatile Built for continuous operation in wet environments. Suitable for commercial
