Maintaining proper fuel-to-air ratios is essential for HVAC combustion efficiency

Designed as a direct-fit OEM replacement flame rollout switch

while the manual override button allows for easy commissioning and mechanical system checks

Standard HVAC code and manufacturer specifications require these valves to be installed in a vertical orientation with the discharge piping directed downward to prevent scaling and trapped debris

this DPDT (Double Pole Double Throw) control operates effectively on 208-240V at 60Hz

Johnson Controls V46BD-2 Regulating Valve 30067439-890 Maintaining proper fuel-to-air ratios isThe Johnson Controls V46BD 2 is a heavy duty, direct acting water regulating valve engineered specifically for maritime and corrosive environments. Designed to modulate water flow to lead side condensers, this 1 inch NPT water regulating valve responds directly to refrigerant pressure increases to maintain stable head pressure. Built with a maritime type cast naval bronze body and Monel interior parts, the V46BD 2 is resistant to the aggressive