Replacing a worn sensor with this OEM component restores reliable furnace flame detection and protects the heating system from inconsistent operation and safety hazards

Key Benefits System Compatibility: Purpose-built for HumidiClean HC Series humidifiers

designed for a precise fit in high-performance Carrier heat pump and refrigeration systems

Key Benefits for Contractors: Direct OEM Compatibility: Engineered as an exact swap for several older part numbers

Use a digital multimeter to check for continuity across the terminals when the furnace is cool

Johnson Controls V46AD-4 Valve 30067439-890 Replacing a worn sensor withJohnson Controls V46AD 4 1" npt, 100 to 200 PSI Opening Point Range, Commercial Type Cast Iron Direct Acting Pressure Actuated Water Regulating Valve for Ammonia with 1 4" Internal threaded (Style 15) Pressure Element V46AD 4 is identical to V46AD 4C