Does this unit replace the older S1-024-34589-000 model

The 39M84 is the specific Lennox catalog number for the Honeywell-manufactured ST9103A1069

you know the importance of a gas furnace manifold pressure adjustment

verify the specific orifice and spring kit requirements for the primary valve assembly being installed

2A AFL at 120V

Johnson Controls DP1400X5B21D Transducer Freon Does this unit replace theThe Johnson Controls DP1400X5B21D is a high precision low differential pressure transducer designed for critical HVAC monitoring and building automation systems. Engineered as a bidirectional pressure sensor, it handles a range of plus minus 0. 5"wc, making it ideal for cleanrooms, hospital isolation zones, and VAV box control. This unit serves as the direct replacement for DPT2641 0R5B, ensuring a seamless field upgrade without recalibration of the