Dwyer Instruments 1823-1 Pressure Switch 340793-762 This genuine OEM Trane replacement

This genuine OEM Trane replacement part is essential for monitoring airflow direction and preventing unsafe operation during reverse flow conditions

Bypassing a flame rollout switch is dangerous and violates safety codes

these refrigerant shutoff valves are non-directional

Exact OEM Fit: Drop-in replacement for Lennox 18M6501 and Honeywell VR8205Q-2746

providing the essential moisture resistance and lubricity needed for long-term operational reliability in industrial HVAC systems

Dwyer Instruments 1823-1 Pressure Switch 340793-762 This genuine OEM Trane replacementThe Dwyer Instruments 1823 1 Pressure Switch is a cornerstone for industrial differential pressure monitoring, engineered specifically for high reliability HVAC pressure control and mechanical equipment integration. This compact low differential pressure switch features an adjustable set point range of 0. 3" to 1. 0" w. c., providing 2% repeatability for critical airflow validation and filter monitoring. Designed for use with air and non combustible