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Whether you are performing a propane conversion or replacing a fouled burner orifice
it ensures the correct flame pattern and bridge-over for the main burner
Key Benefits Universal Compatibility: Serves as the official direct replacement for CTR1138
Replacement intervals depend on ambient air quality
and HP972 series pneumatic humidistats
Source 1 S1-THEC11NS Thermostat Whether you are performing aThe York S1 THEC11NS is a commercial grade, non programmable digital thermostat designed for 1 heat 1 cool configurations in residential and light commercial applications. This low voltage control is engineered for compatibility with conventional single stage gas or electric furnaces, air conditioners, and millivolt heating systems. As a veteran preferred HVAC replacement part, it offers a reliable digital upgrade for older mechanical mercury bulb
