SJE Rhombus 20PMD1WP Switch

The SJE-Rhombus 20PMD1WP PumpMaster switch is a 120V AC, 13 A float switch designed to directly control pumps in sump, well, and effluent installations. It is a wide-angle, normally open (pump-down) device with a piggyback plug for quick connection and includes a pipe clamp for secure mounting. The unit uses a 20 ft NEC SJOW cord and a PVC float that measures 3-5/8 in long with a 3-1/8 in diameter; tether length ranges from 3-1/2 in to 24 in, with activation at 45° above the horizontal and shutdown at 45° below. Mounting bracket material is ABS/Stainless Steel, and the assembly is UL Listed and CSA certified, backed by a 5-year manufacturer warranty. The part number is 20PMD1WP and it’s compatible with the SJE Rhombus PumpMaster line for pump-down control, rated for a maximum media temperature of 140°F. Common applications include turning sump pumps or other liquid-handling equipment on or off in residential or light commercial systems.