Lochinvar & A.O. Smith 100166241 Pressure Switch 30067439-890 Key Benefits: System Compatibility: Engineered

Key Benefits: System Compatibility: Engineered as a direct OEM replacement for Utica-Dunkirk hydronic boilers

Common Questions: What is the maximum capacity of the Armstrong 15B5

The Lennox 27J02 Flame Sensor is a critical OEM replacement part designed for precision flame monitoring in high-efficiency Lennox gas furnaces

This 24-inch lead length model is engineered for rapid response times

5 switches or No

Lochinvar & A.O. Smith 100166241 Pressure Switch 30067439-890 Key Benefits: System Compatibility: EngineeredThe Lochinvar and A. O. Smith 100166241 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency water heaters and boilers. This SPDT (Single Pole Double Throw) switch is factory calibrated to a . 21" WC (water column) set point, ensuring the inducer fan generates sufficient static pressure before allowing the ignition sequence to proceed. Engineered as a direct OEM replacement part, it replaces