3mm drill configuration ensures a calibrated flow rate for optimal propane gas combustion

If the pilot flame is excessively large

For safety and appliance certification

Precision Alignment: Ensures the solenoid remains in the required vertical and upright orientation for optimal pilot-operated performance

factory-grade seal

Rheem-Ruud 47-21663-09 Limit Switch 3mm drill configuration ensures aThe Rheem Ruud 47 21663 09 Limit Switch is a critical safety component designed for precise thermal regulation within HVAC equipment. This SPST normally closed switch features a fixed open temperature of 150F and a fixed close temperature of 120F, ensuring reliable high limit protection for the heat exchanger. As a green color coded general purpose control, it operates with an automatic reset function, eliminating the need for manual intervention