Dwyer Instruments L6EPB-B-S-3-C Switch 326058-758 Often cross-referenced as the Watts

Often cross-referenced as the Watts 9D-M3 or Watts 9DM3-1/2

As a genuine OEM water heater part

By utilizing a 24V AC power requirement and a magnetic plunger assembly

Note that while this is a direct mechanical replacement

Dwyer Instruments L6EPB-B-S-3-C Switch 326058-758 Often cross-referenced as the WattsThe Dwyer Instruments L6EPB B S 3 C is a rugged, magnetically actuated liquid level switch designed for heavy duty process control. Built with a brass upper housing and a matching brass lower housing machined from solid bar stock, this unit ensures leak proof performance in demanding environments. It features a 304 stainless steel spherical float and a brass external float chamber, providing superior durability compared to standard plastic