Weil McLain 591-391-862 Wiring Harness Els PW 17895 this SWT1276 thermal switch offers

this SWT1276 thermal switch offers the repeatability required to restore safe furnace operation without the nuisance tripping seen in lower-quality aftermarket alternatives

The internals are outfitted with plated brass balls and virgin PTFE seats to withstand continuous service temperatures up to 250°F and a maximum working pressure of 50 psi

Can this coil be used in wet environments

making it compatible with high-pressure R-410A systems as well as standard R-22 and R-134a applications

8A AFL at 120 VAC and 6

Weil McLain 591-391-862 Wiring Harness Els PW 17895 this SWT1276 thermal switch offersThe Weil McLain 591 391 862 Wiring Harness is a critical OEM replacement part designed for standing pilot ignition systems in Weil McLain CG and CGa boilers. Engineered for hydronic heating service, this harness provides secondary electrical integrity between the gas valve, pilot, and control module, maintaining consistent boiler performance. In the field, a compromised harness is often the root cause of intermittent pilot ignition failure or erratic