Littelfuse Model ALT-100-1-SW Alternating Duplex Pump Relay with Switch 95-125V 11-pin Plug-in Manufacturers__A.Y. McDonald Mfg. Co.__Submersible Motors American Granby pressure gauges are

American Granby pressure gauges are ideal for pumps

The clear sumps are annealed to relieve stress and to add clarity and strength

Available with Float Operated

The 74754-33 Series is designed to connect SIDR 7 service pipe to National Pipe Thread fittings

odor or color to the liquid being filtered

Littelfuse Model ALT-100-1-SW Alternating Duplex Pump Relay with Switch 95-125V 11-pin Plug-in Manufacturers__A.Y. McDonald Mfg. Co.__Submersible Motors American Granby pressure gauges areLittelfuse ALT 100 1 SW Alternating Duplex Pump Relay With Switch Description The ALT xxx 1 SW ALT xxx 3 SW Series are used to alternate between two loads and are commonly used in duplex pump up and pump down applications to balance the runtime of both pumps. The ALT relays have a built in debounce time delay that prevents the relay from changing state if the float momentarily bounces, and they have a built in switch to manually force a specific load