Is there any difference between 4074EPM and 4074EPM/U

ensuring a secure and conductive fit into the electrode holder

If the 50418 limit switch is tripping

and fitting type

eliminating field-modification needs

Rheem-Ruud SP10869QL Heating Element Els PW 17895 Is there any difference betweenThe Rheem Ruud SP10869QL Heating Element is a 6000 Watt 240V stainless steel immersion component designed for demanding commercial water heating applications. Built with a low watt density (LWD) profile, this foldback element maximizes surface area to ensure efficient heat transfer while significantly reducing mineral scale buildup in hard water environments. This screw in water heater element features 1 inch NPSM threads (1 1 2 inch hex head) and a