Lochinvar & A.O. Smith 100109935 Flue Switch 326070-701 What are the signs that

What are the signs that my current gas valve is failing

How do I know if my Goodman collector box needs replacement

If the unit displays "air temperature out of range" codes or continues to run regardless of the setpoint

Contractors typically look for symptoms such as high superheat

Lochinvar & A.O. Smith 100109935 Flue Switch 326070-701 What are the signs thatMaintain the exhaust integrity and operational safety of your high efficiency heating systems with the Lochinvar & A. O. Smith 100109935 Flue Switch. As a critical safety component, this blocked flue pressure switch is engineered to detect vent obstructions and immediately signal the control board to terminate the ignition cycle, preventing hazardous flue gas recirculation. This genuine OEM part is the designated 100109935 replacement for 9004550215,