Resideo YTHX1200W7 Thermostat Kit R-407C Enhanced Terminal Protection: Equipped with

Enhanced Terminal Protection: Equipped with dual enclosure covers that accept 1/2" conduit connections

Field technicians rely on the 240009896 boiler control for its seamless compatibility with residential and light commercial units

maintaining the structural integrity of the fan housing assembly under high-torque operation

Versatile Application: Supports a wide range of models including the Lennox Merit and Elite Series gas fireplaces

Common Questions Can I use this on a 24V system

Resideo YTHX1200W7 Thermostat Kit R-407C Enhanced Terminal Protection: Equipped withThe Resideo YTHX1200W7S1200 ElitePRO S1200 Thermostat Kit is a professional HVAC control package designed for residential and light commercial 24 VAC systems. The S1200 platform supports gas, oil, electric warm air, hydronic, fan coil, PTAC, conventional, and heat pump applications while providing advanced HVAC and indoor air quality control through a modern touchscreen interface. The system supports up to 3 heat 4 cool conventional stages or 4 heat 2