Lochinvar & A.O. Smith 100166241 Pressure Switch 30067439-890 The Lennox 27J02 Flame Sensor

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

Stable Linear Feedback: The stainless steel ball-in-seat design provides pneumatic feedback

Its 30/45 degree differential is the industry standard for HVAC freeze stats

maintaining compressor motor safety is paramount

5 switches or No

Lochinvar & A.O. Smith 100166241 Pressure Switch 30067439-890 The Lennox 27J02 Flame SensorThe 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