Resideo VR8204A2258/B Gas Valve 340155-7024 This model is primarily designed

This model is primarily designed for two-pipe low-pressure steam and hydronic radiator systems where a modulating valve is required

primarily 3R rigid rods or 3W wire-suspended probes using the appropriate adapters

This unit commonly replaces Dayton 1TDN7

Common Questions What is the difference between Class 10 and Class 20 for this part

24V gas valve is factory-calibrated to a 3

Resideo VR8204A2258/B Gas Valve 340155-7024 This model is primarily designedThe Resideo VR8204A2258 B Gas Valve is a 24V intermittent pilot gas valve engineered for reliability in residential and commercial heating equipment. Designed with a 1 2" x 1 2" inlet outlet, this standard opening control provides precise gas flow modulation and safety shutoff for electronic ignition systems. As a direct OEM replacement gas valve, the VR8204A2258 B is functionally identical to the Slant Fin 440 535 000 and Resideo VR8204A2258,