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The Johnson Controls VG7842ET Valve is a high-performance 3-way mixing globe valve engineered specifically for technical precision in HVAC hydronic systems
facilitating reliable HVAC pressure switch troubleshooting and ensuring consistent performance in R-410A applications
How do I adjust the height for my specific burner
or a system overcharge
Optimized Combustion: Specifically calibrated to provide the exact CFM required for your Lennox gas furnace repair
Lennox 97J69 Pressure Switch 320074-702 The Johnson Controls VG7842ET ValveThe Lennox 97J69 Pressure Switch is a critical safety component designed for specific Lennox furnace models to monitor induction blower performance and flue venting integrated within the combustion circuit. This SPST (Single Pole Single Throw) vacuum switch is factory calibrated to a . 85" WC (Water Column) set point, ensuring the system only initiates the ignition sequence when proper static pressure is established. Featuring a standard 1 4" barb