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Simplified Maintenance: Integrated manual override lever allows technicians to manually open the valve for system testing or maintenance
specifically addressing standard elevation applications where maintaining the integrity of the combustion air safety circuit is required for continuous operation
Balanced Port Design: Compensates for changes in pressure drop
Replacing a failed or sticking furnace sail switch is the standard protocol for resolving intermittent ignition failures where the inducer or blower runs
it features a flow coefficient of 3 Cv and supports a functional pressure range of 5-150 PSI
Johnson Controls A-4000-156 Filter Assembly Freon Simplified Maintenance: Integrated manual overrideThe Johnson Controls A 4000 156 Filter Assembly is a critical component for maintaining pneumatic control system integrity by removing moisture and particulates from the air supply. This 5 micron condensate filter features an automatic drain mechanism, ensuring continuous moisture removal without manual intervention, which prevents downstream regulator clogging and actuator failure. Designed as a direct Johnson Controls replacement part, the A 4000