When troubleshooting Lennox error code 201

Common Questions: What are the primary applications for the CS4AH02A24

this limit switch serves as a primary safeguard by monitoring for restricted airflow or draft obstructions within the venting system

This 36-inch thermocouple is rated for a maximum hot junction temperature of 1450°F

preventing the operation of the burner under unsafe draft conditions

Rheem-Ruud SP10399B Pilot Assembly When troubleshooting Lennox error codeEnsure reliable ignition and peak burner performance with the Rheem Ruud SP10399B Natural Gas Pilot Assembly. Designed as a genuine PROTECH OEM replacement part, this assembly is engineered specifically for compatibility with Rheem and Ruud commercial and residential gas water heaters, including the R & RCD Series. Utilizing natural gas (NG), the SP10399B provides a stable, consistent pilot flame necessary for the proper cycling of the main burner