As a direct replacement for Johnson Controls K15DS-36 and identical to the K15DA-36H

the fail-safe direction can be adjusted by flipping the actuator on the valve shaft or damper drive

causing inefficient combustion or potential flame failure

What happens if the pitch or rotation is incorrect

Trane VAL8852 Gas Valve Refrigerant As a direct replacement forThe Trane VAL8852 is a professional grade, 24 volt negative pressure gas valve designed for high efficiency heating systems. Featuring a 1 2" x 3 4" NPT connection, this direct replacement for VAL3842 is engineered for precision fuel regulation in residential and light commercial furnaces. This OEM Trane gas valve operates at a 0. 2" WC pressure setting, ensuring the highly stable vacuum referenced combustion required by modern inducer driven systems.