Lochinvar & A.O. Smith 100109816 Pressure Switch 340155-7026 The Johnson Controls VG2431VM is

The Johnson Controls VG2431VM is a heavy-duty

it is standard practice to match the specific part number to the fuel type of the appliance to ensure safety and performance

High Torque Output: The 4-inch effective diaphragm area provides ample power to drive multi-blade dampers against high static pressure

The VG2831VM is primarily designed for water and glycol mixtures

and light oil applications where internal wear on the diaphragm or piston assembly compromises pressure holding

Lochinvar & A.O. Smith 100109816 Pressure Switch 340155-7026 The Johnson Controls VG2431VM isThe Lochinvar & A. O. Smith 100109816 Pressure Switch is a critical OEM replacement part engineered for precise atmospheric monitoring in high efficiency commercial water heaters and boilers. Calibrated to a 6. 5" WC (Water Column) set point, this differential pressure switch acts as a safety critical flue prover, ensuring the combustion blower is generating sufficient negative pressure to safely vent exhaust gases. Designed for compatibility with