Ensure safe and efficient operation of your HVAC system with the Lennox 20W34 (100847-02) Control-Limit Switch. This single-pole, single-throw (SPST) control is designed to open on temperature rise and automatically close when the temperature drops to 155°F, helping to prevent overheating and maintain optimal system performance.Manufactured to Lennox’s high-quality standards, this temperature-sensitive switch is ideal for use in furnaces and other heating equipment requiring precise thermal regulation. Its reliable design ensures dependable cutout and reset operation under repeated cycling conditions.Key Features:
- Part Number: 20W34
- Alternate Part Number: 100847-02
- Type: Limit Control Switch
- Function: Opens on temperature rise; closes at 155°F
- Configuration: SPST (Single-Pole Single-Throw)
- Application: Compatible with various Lennox heating systems