Harwil HRQ12D Flow Switch 1/2" Mpt Long Stem Pilot Duty SPNO Washer Rinse with fresh water if

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

Clean filter housing thoroughly

Warranty and support This part is covered by the original equipment manufacturer limited warranty against manufacturing defects

It is not a drop in replacement for auxiliary pumps identified as pump 2

Verify fit by matching the part number R0589100 to your original housing or parts diagram before ordering

Harwil HRQ12D Flow Switch 1/2" Mpt Long Stem Pilot Duty SPNO Washer Rinse with fresh water ifHarwil 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