This critical HVAC safety switch prevents thermal runaway and potential heat exchanger damage by ensuring the system shuts down before exceeding safe operating parameters

Can I use this for horizontal venting through a side wall

dust-protected contact performance

the 99260 typically contains the burner orifices

allowing for rapid restoration of sensor-to-board communication

Reznor 155635 Inlet 322056-301 This critical HVAC safety switchThe Reznor 155635 Combustion Air Inlet is a critical OEM component designed for high efficiency Reznor unit heater systems. This precision engineered intake assembly ensures proper airflow for complete combustion, maintaining the system's thermal efficiency and preventing premature heat exchanger wear. Built for durability in commercial and industrial settings, this replacement combustion air inlet features a robust construction that withstands the