... in 240 volt and 110 volt.4, Low pressure, low volume water, pressure system pumps with internal Bypasses.5, We produce ... Stainless steel bolts, water resistant pressure swith, snap-in connection, special valve and diagphragm for easy priming.8, Moisture resistant ... ring seal motor, double ball bearing motor and Rubber mounted for smooth, quiet operation, sealed drive bearings, corrosion resistant9, ...