this replacement wiring harness provides the necessary leads to interface with the heating element sequencers and the 240V power block

Integrated Feedback: Features dual auxiliary switches for reliable end-stop signaling without external components

The unit features a distinctive green color-coded label and provides a real-time analog flame signal strength output ranging from 0

you have dedicated conductors for the reversing valve (O/B)

The sensing element offers a wide detection range

Resideo TH115-AF-024T Thermostat 321894-709 this replacement wiring harness providesThe Resideo TH115 AF 024T is a specialized 24 Vac electric heat thermostat engineered specifically for hydronic or electric radiant floor heating systems. Designed for precision control, this 7 day programmable thermostat operates within a 32 120 degree Fahrenheit range with a tight 1 degree differential to prevent temperature overshoot. This model features AF sensing logic, allowing for simultaneous monitoring of ambient air temperature and floor