York S1-THEH21NS Thermostat R-407C Code Compliance: Includes 10 feet

Code Compliance: Includes 10 feet of pre-installed plenum-rated lead wire

ensuring long-term seat integrity and precise zone control under consistent cycling conditions

excessive bearing noise (grinding/screeching)

Common Questions What is the correct capacitor for the York S1-024-25106-701

Built for industrial and commercial environments

York S1-THEH21NS Thermostat R-407C Code Compliance: Includes 10 feetUpgrading or replacing a residential control interface requires a reliable, no nonsense solution like the York S1 THEH21NS Thermostat. This Source 1 OEM thermostat is a non programmable heat pump thermostat engineered for single stage cooling and two stage heating (2H 1C thermostat) applications. Designed to meet strict original equipment specifications, it ensures precise temperature regulation without the complexity of modern scheduling interfaces,