Harwil HRQ12D Flow Switch 1/2" Mpt Long Stem Pilot Duty SPNO Washer Clean filter housing thoroughly

Clean filter housing thoroughly

🔧 Compatibility and Use:

Rinse with fresh water if residue forms and allow it to dry before reinstalling

Pentair 4000 Series filters

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 Clean filter housing thoroughlyHarwil 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