Resideo Q4100C9066 Hot Surface Ignitor R-407A By keeping the crankcase temperature

By keeping the crankcase temperature above the system's dew point

this 04-01525 housing provides a seamless repair solution that supports long-term equipment reliability in residential and light commercial climate control systems

Regular inspection of the disc and cage during maintenance prevents seat damage

supporting both pilot duty and high-load direct equipment control

Resideo Q4100C9066 Hot Surface Ignitor R-407A By keeping the crankcase temperatureThe Resideo Q4100C9066 Hot Surface Ignitor is a high performance 120 Vac silicon carbide igniter designed for consistent ignition in gas fired residential furnaces. Engineered for reliability with both natural and LP gas systems, this HVAC replacement ignitor features a robust 5 1 4" lead length and a specialized receptacle utilizing . 093" male pins for a secure electrical connection. With a maximum temperature rating of 392F, the Q4100C9066 ensures