Pay in 4 interest-free payments of $15.99 Learn more
Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
This valve is designed for liquid service in hot water tanks and heaters
Built for industrial and commercial environments
ensuring long-term seat integrity and precise zone control under consistent cycling conditions
the ignition sequence will be interrupted as a safety precaution
York S1-THEH21NS Thermostat R-407C This valve is designed forUpgrading or replacing a residential control interface requires a reliable, no nonsense solution like the York S1 THEH21NS Thermostat. This Source 1 OEM thermostat is a non programmable heat pump thermostat engineered for single stage cooling and two stage heating (2H 1C thermostat) applications. Designed to meet strict original equipment specifications, it ensures precise temperature regulation without the complexity of modern scheduling interfaces,
US$ 199.99
US$ 330.00
US$ 27.95
US$ 297.50
US$ 297.50
US$ 237.50
US$ 237.50