Weil McLain 511-724-274 Flame Sensor Els PW 17895 providing a seamless retrofit into

providing a seamless retrofit into existing piping layouts

or contactor welding where the circuit stays closed

or the White/Black and White/Yellow wires for 120VAC signals

High Reliability: Double break contacts minimize arcing and extend the mechanical life of the 40A contacts

and process heating equipment

Weil McLain 511-724-274 Flame Sensor Els PW 17895 providing a seamless retrofit intoThe Weil McLain 511 724 274 Main Flame Sensor is a critical OEM replacement part engineered for precise flame rectification in high efficiency boiler systems. As a veteran technician knows, a fouled or oxidized HVAC flame sensor is the primary culprit behind intermittent ignition failure and short cycling. This genuine Weil McLain replacement part is designed to withstand high combustion temperatures, providing a reliable microamp signal to the boiler