If the solution stays purple

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

this Erie VM series component ensures stable performance and reliable close-off in both commercial and residential HVACR environments

causing inefficient combustion or potential flame failure

and induction systems

Trane VAL8852 Gas Valve Refrigerant If the solution stays purpleThe 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.