Provide stable furnaces door fixing solution to enhances the and convenience of furnaces use pressure switches provides stable door detection and secure operate of your furnaces systems FF75 furnaces Door switches Magnet is designed for most popup switches furnaces, ensuring a wide ranges of applications and easy replacement HVAC Door switches Depressor is constructed from durability Steel for long term and enhanced Essential HVAC controls tool designed for safe and efficient maintenance of heating and cooling units, Manufacturer: BULAIDAI