Broad Compatibility: Ideal for a wide range of fractional-horsepower HVACR and industrial applications

and various HUHAA configurations

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

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

Resideo TH115-AF-024T Thermostat 321894-709 Broad Compatibility: Ideal for aThe 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