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Heater Flow Switches

2-Q12DSMSC Harwil Flow Switch, 1/2in MPT, 16 GPM, 2A, Q12DSMSC

Harwil Flow Switch, 1/2in MPT, 16 GPM, 2A, Q12DSMSC

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Item #: 2-Q12DSMSC
Retail Price: $42.99
Our Price: $38.22
Availability: Usually leaves our warehouse within 1-2 business days

Harwil replacement Flow Switch, is an electrical reed switch that fits inside of a 1.5” PVC Tee (not included). This contact flow switch can be threaded into tee and 90 fittings, 1/2” MPT, and connected to your flow switch sensor wires. SPST Flow Switch is Normally Open, and operates at up to 2 amps. Kit includes 1/2” female FPT coupling and 1/2” wire strain relief or compression fitting. Q12DSMSC has 2” long paddles of 316 SS, and measures 2-5/8” overall.

Harwil Q12DS flow switch is a 1 amp, Pilot Duty, Flow Switch that opens at 15 gpm and closes at 16 gpm, to complete the circuit and turn the device On. Used on spa heaters, ozonators, and pool salt systems to monitor proper flow rates.

Does not Fit Sundance 3/4” flow switch threads, see Harwil .

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