If the pilot flame is excessively large

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

The Littelfuse POWR-GARD series ensures consistent response times

000-hour operational life

For safety and appliance certification

Rheem-Ruud 47-21663-09 Limit Switch If the pilot flame isThe 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