While some control modules are rated for 208/240V input

the switch operates with a fixed cut-in temperature of 140°F and a fixed cut-out temperature of 120°F

providing more overhead for the control circuit

the switch must never be permanently bypassed

including Ruud

Weil McLain 510-300-014 Spill Switch While some control modules areReplacing a tripped or faulty Weil McLain 510 300 014 is a standard safety procedure for service technicians maintaining Weil McLain CGa, CG, and CGx gas boilers. This 240F Spill Switch M R is a critical safety control mounted on the draft hood to detect flue gas spillage caused by chimney blockages or downdraft conditions. As a manual reset spill switch, it is designed to break the safety circuit and lock out the boiler once temperatures reach the