Relying on an oil pre-heater temperature switch that meets exact engineer specifications is the only way to ensure the combustion head doesn't overheat or underperform

which can result in poor cooling performance and potential compressor overheating

High-Temperature Resilience: The brass sheath and stainless steel jacket offer superior insulation and protection against heat fatigue

OEM Compatibility: Specifically designed for Reznor RA150

This single-pole single-throw (SPST) inductive switch is factory-calibrated to a set point of -0

Schneider Electric (Barber Colman) AT-11-401 Thermostat Cover Relying on an oil pre-heaterThe Schneider Electric AT 11 401 is a commercial grade dual window thermostat cover designed for Barber Colman and Schneider Electric wall mounted control units. Engineered for high traffic environments, this clear plastic guard provides essential protection against mechanical damage, dust accumulation, and unauthorized setpoint adjustments without obstructing visibility. The two window configuration allows technicians and facility managers to monitor