Viessmann 7134747 Gas Valve 324846-701 features a larger float chamber

features a larger float chamber and is specifically designed for boilers with high steaming rates or surging water lines where additional buoyancy and stability are required for accurate switching

and proportional pre-mixers where maintaining an outlet pressure close to atmospheric levels is non-negotiable

Designed for HVACR environments

This air pressure switch serves as a primary limit to prevent ignition during blocked vent conditions or gas furnace venting failures

Viessmann 7134747 Gas Valve 324846-701 features a larger float chamberThe Viessmann 7134747 Gas Valve is a critical combustion control component engineered for high efficiency Vitodens 200 WB2 and WB2A series boilers. This OEM replacement gas valve is a 20V, normally closed (NC) two way solenoid valve designed to regulate the flow of natural gas or liquid propane to the burner assembly. Identified by the R10 designation, this valve features a precise 10 ohm internal resistance, ensuring exact signal communication with