2H/1CHP NON PRGRM STAT SOURCE 1

York S1-THEH21NS Thermostat – Source 1 Non-Programmable Heat Pump Thermostat (2H/1C)

The York S1-THEH21NS Thermostat is a genuine Source 1® OEM non-programmable thermostat designed specifically for heat pump systems. Supporting 2 stages of heating and 1 stage of cooling (2H/1C), this thermostat provides reliable temperature control with simple, easy-to-use operation—ideal for residential and light commercial HVAC applications.

Built to meet York’s original equipment specifications, the S1-THEH21NS ensures accurate temperature regulation, dependable performance, and seamless compatibility with supported heat pump systems.

Product Features

• OEM Part Number: S1-THEH21NS

• Brand: York / Source 1®

• Thermostat Type: Non-Programmable

• System Compatibility: Heat Pump

• Stages: 2 Heat / 1 Cool (2H/1C)

• Power Source: Source 1

• Application: Residential and light commercial HVAC systems

Benefits

• Simple, user-friendly non-programmable design

• Accurate and consistent temperature control

• OEM-designed for proper system compatibility

• Durable construction for long-term reliability

Applications:
Designed for use with compatible York heat pump systems requiring a 2H/1C non-programmable thermostat.

Note: Always verify system compatibility and wiring requirements before installation.