Pay in 4 interest-free payments of $125.50 Learn more
Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
Ensure the thermopile is generating at least 750mV and that the pilot flame is properly engulfing the element
Common Questions Is this fill valve compatible with the older EHU-500 series
this is the direct replacement for 3H34933-1
The L85-15F designation refers to the temperature setpoints at which the internal switch opens and closes to manage the heating cycle or fan operation based on pipe temperature
Professional-grade construction
York S1-025-21785-001 Heater Freon Ensure the thermopile is generatingThe York S1 025 21785 001 is a high performance 10KW 240V electric heater configured as a 3 element heat kit for professional HVACR applications. This OEM York replacement part is engineered to provide supplemental or emergency heat for residential and light commercial air handlers. Operating on a 240V single phase supply, the three element design ensures balanced heat distribution and rapid thermal response during low ambient conditions. As a veteran