York S1-1FF0601 Kit R-134A this specific control valve is

this specific control valve is calibrated for natural gas systems only

and you've verified the limit string is closed

though it is recommended to mount it away from direct compressor discharge to maximize service life

making it a versatile HVAC part for various electrical configurations

this motor is a programmed assembly containing the specific parameters required for the corresponding HVAC unit's airflow profile

York S1-1FF0601 Kit R-134A this specific control valve isFor contractors servicing 2 to 3. 5 ton York packaged units, the York S1 1FF0601 Filter Frame Kit is the essential OEM component for field installing or replacing return air filter assemblies. This kit is specifically engineered for a precise fit with PCG4 and PCE4 air conditioners, as well as PHG4 and PHE4 heat pumps featuring the small base footprint. As a genuine Source 1 HVAC part, this frame ensures a leak free seal to maintain static pressure