York S1-THEC11P5S Thermostat 323055-751 technicians should inspect the venting

technicians should inspect the venting and heat exchanger integrity immediately

This unit is configured with a 90-degree left orientation for precise alignment within the combustion chamber and is compatible with 22

Precision-cut rectangular profile facilitates rapid field installation and maintenance

this OEM pump motor ensures the precise flow rate necessary for optimal heat exchanger transfer and system efficiency

This model serves as the direct replacement for P28DN-4C

York S1-THEC11P5S Thermostat 323055-751 technicians should inspect the ventingThe York S1 THEC11P5S Thermostat is a professional grade 7 day programmable thermostat engineered for single stage heat and cool (1H 1C) applications. Specifically optimized for heat pump systems without auxiliary heat, this unit ensures precise setpoint management and HVAC energy efficiency. As a direct replacement for model THEC11P5S, it features auto manual system switching and dual power options (24VAC hardwired or battery powered) to accommodate