Sort by
Display
per page
Use With 1.5" Or 2" Tee Pilot Duty HRQ12D
Flow Switch, Harwil, 1" MPT, 19 GPM (On) 15 Amp, For 1-1/2" Plumbing Q8DSA
Flow Switch, Harwil, 1/2" MIPT Connection, SPST w/36" 2 Pin Amp Q12DS
Flow Switch, Harwil, 1/2" MPT, 3 GPM (On) 1 Amp, For 3/4" Plumbing Q12DS-3-3-4S-1
Flow Switch, Harwil, 1/2" MPT, Factory Set For LA Spas, 3 pin MTA connector, two wires. Q12DSCSLA
Flow Switch, Harwil, 1/2" NPT, 16-23 GPM, 2 Amp, 1-1/2" or 2" Plumbing Q12DSMSC