BASO H17BB-1 Pilot Valve Refrigerant provided the furnace itself is

provided the furnace itself is properly derated for high-altitude use

This typically indicates a failed humidifier water valve that is stuck open due to mineral buildup or a ruptured internal diaphragm

Industry Compatibility: 100% retrofittable with existing TB Woods size 8 flanges

these 2-amp fuses are standardized for consistent performance in light-duty applications where a time-delay fuse would be too slow to react

It can be tilted up to 85 degrees but should never be installed upside down where condensation could enter the housing

BASO H17BB-1 Pilot Valve Refrigerant provided the furnace itself isThe BASO H17BB 1 Pilot Valve is a specialized 1 4" CC pilot safety control designed for reliable gas flow regulation in standing pilot applications. This model is built without a pilot interrupter, making it a direct replacement for systems where the interrupter function is handled externally or is not required. The H17BB 1 is identical to H17BB 1C, providing high capacity performance for commercial cooking equipment and space heating units.