Celebrating 65 Years of "No Problem" Service

SJE Rhombus

SJE-Rhombus is the industry leader in providing quality water and wastewater controls for municipal, industrial, commercial, and residential applications. Their quality products and customer service is second to no one.
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SJE SignalMaster Control Switch, Model SSJ-30SGMPCNO

Mechanical Control Switch, 30' Cord, Pipe Clamp Mount

SJE Rhombus SignalMaster Control Switch, Model SSJ-30SGMPCNC

Mechanical Control Switch w/Normally Closed Contacts, 30' Cord, Pipe Clamp Mount

SJE Rhombus External Cable Weight, Model SSJ-CABLEWEIGHT

External Weight for Pump or Control Switch

SJR Rhombus Indoor Liquid Level Alarm, Model SSJ-TAAB-01H

Tank Alert AB High Water Alarm w/15' Signal Master Mechanical Control Switch, Indoor Box