The Weil McLain 591-391-919 Wiring Harness is a critical 9-pin interface engineered specifically for Series 4 CGa gas-fired water boilers

allowing for the simultaneous control of three separate circuits from a single control signal

The Marvair 40098A Motor is a critical OEM replacement component designed for high-static air conditioning and wall-mount HVAC applications

High Output Force: The 100 sq

System Safety: Acts as a primary safety limit switch to prevent combustion chamber overheating

Mueller Industries A17534 SWT Kit 340155-7024 The Weil McLain 591-391-919 WiringThe Mueller Industries A17534 is a technical grade 1 5 8 4 bolt mounting SWT kit designed for high integrity refrigeration and AC installations. Engineered for brass compressor valves and high pressure fluid control, this 4 bolt mounting switch kit features a rugged steel construction that ensures a secure, leak free mechanical interface. With a 31C to 51C temperature rating and a weight of 4. 97 lbs, the A17534 is built to withstand the rigors of