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This model is technically identical to the DG4-3-160
Common Questions What is the difference between the 157S and the 157S-RL
The diaphragm-actuated design ensures rapid response to load changes
the G01A-332 provides the stable 750 millivolt output required to pull in the main operator of the gas valve upon the presence of a pilot flame
Stable Logic Performance: Advanced circuitry manages the inducer motor
Trane MOD2554 Module Refrigerant This model is technically identicalThe Trane MOD2554 is a mission critical Remote Test and Operating Module (RTOM) designed for seamless integration with ReliaTel microprocessor controls. Engineered for field installation in Trane and American Standard rooftop units, this OEM control module provides the necessary hardware interface for advanced diagnostic testing and system expansion. Operating on a standard 24V HVAC control circuit (60 Hz), the MOD2554 functions as a central