A tripped 300F rollout switch indicates a serious combustion or venting issue

Once the system cools to the 120 degrees F fixed close temperature

Rugged Enclosure: Features a clear Lexan housing for internal component protection and easy visual inspection of the LED monitoring indicator

including models 3508232

ASCO 8220G408-24VDC Solenoid Valve Els PW 29614 A tripped 300F rollout switchThe ASCO 8220G408 24VDC is a high performance 2 way normally closed solenoid valve engineered for demanding steam and hot water applications. This pilot operated solenoid valve features a robust brass body and an EPDM diaphragm, ensuring reliable fluid control and long term durability in high cycle environments. With a 3 4 inch NPT connection and a flow coefficient of 8. 8 Cv, it efficiently handles pressures up to 50 PSI for steam and 100 PSI for hot