The high limit control functions as a normally closed SPST switch that opens the burner circuit if the plenum temperature exceeds the 165°F threshold

Key Benefits Universal Compatibility: Engineered as a direct-fit manual knob for all Danfoss RA-2000 thermostatic radiator valve bodies

making it an ideal solution for indoor safety shut-off requirements in furnace systems

The Rheem-Ruud 42-101443-89 Pressure Switch is a critical OEM safety component calibrated at

Lennox 28F01 Motor Freon The high limit control functionsThe Lennox 28F01 is a high performance OEM blower motor designed for heavy duty furnace motor replacement. Operating at 115V with a 3 4 HP output, this PSC motor (Permanent Split Capacitor) delivers a fixed 1075 RPM to maintain consistent static pressure in residential and light commercial air handlers. As a genuine Lennox 28F0101 component, it features a 5 speed tap configuration, allowing technicians to precision tune airflow for various cooling and