370V Reliability: Rated for 370Vac

What safety features are integrated into this board

The flanged airstream mounting design ensures the thermal disc is accurately positioned to detect restricted airflow or over-firing conditions common in older gas furnace maintenance

the sensing relay contacts are likely pitted or stuck

Dual-timing sequences provide staggered activation of heating elements to prevent circuit overload

Armstrong International A23519 Valve Freon 370V Reliability: Rated for 370VacThe Armstrong International A23519 is a direct replacement solenoid fill valve engineered specifically for EHU 600 and EHU 701 electronic steam humidifier series. This OEM humidifier component features an integrated flow washer for precise water volume regulation and is equipped with a straight 3 8" compression fitting to ensure a leak free connection to the supply header. Designed to withstand the high temperature cycles common in industrial steam