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Use With 1.5" Or 2" Tee Pilot Duty HRQ12D
Flow Switch, Harwil, 1" Mpt, 19 Gpm (On) 15 Amp, For 1- Q8DSA
Flow Switch, Harwil, 1/2" MIPT Connection, SPST w/36" 2 Pin Amp Q12DS
Flow Switch, Harwil, 1/2" Mpt, .5 Amp, 4'- 3 Wire Cable Q12DSC2/MAY2771
Flow Switch, Harwil, 1/2" Mpt, 3 Gpm (On) 1 Amp, For 3/ Q12DS-3-3-4S-1
Flow Switch, Harwil, 1/2" Mpt, Factory Set For La Spas, Q12DSCSLA