511114528 Electrode Type Low Water Cut-Off. 592300006 Well, 3/4 NPT. 591319800 Steam Trim Wiring Harness. 383600002 Water Gauge Glass Kit, 5/8” x 10 5/8” with gaskets and brass washers. 563334595 Water Gauge Glass Guard, 3/16” Dia. X 12 1/2” Long. 510218145 Water Gauge Glass Cocks, Set 1/2” NPT Male Inlet. 510218100 Combination ...