Description
or erratic ignition
It is critical to match the 1/3 HP rating
This is an industry-standard curve used by major manufacturers like Johnson Controls and Honeywell
It maintains same-face-to-face dimensions for seamless installation
York S1-1PS3308 Conversion Kit R-407C or erratic ignitionThe York S1 1PS3308 Conversion Kit is a critical field installed component designed specifically for high altitude furnace applications. Engineering specifications dictate its use when adjusting manifold pressure and venting configurations to compensate for reduced atmospheric oxygen levels at elevations above 2,000 feet. This York furnace high altitude kit ensures stable combustion and prevents nuisance tripping of the pressure switch, which is a