Lennox 52M73 SPST Rollout Switch Manual Reset 350°F

The Lennox 52M73 Rollout Switch is an essential safety part used in HVAC systems mainly in gas furnaces and heating equipment. This manual reset switch is SPST type which works to control the temperature to avoid overheating by switching off the electrical circuit when the temperature rises to 350°F. Its main aim is to prevent contact and prevent damage to the furnace from excessive heat which can cause system and personal hazards. The manual reset function allows the user to reset the operation to enable the identification of the problem before it is corrected. This switch is mainly applied to Lennox heating systems, but it may also be used in other HVAC systems.