With its SPST normally closed contact configuration and integrated quick-connect terminals

allowing the system to capture and kill airborne pathogens

Enhanced Troubleshooting: Integrated LED status indicators provide blink codes for 100% gas shutoff scenarios and ignition failure diagnostics

You can measure the flame current by connecting a DC micro-ammeter to the FC+ and FC- test pins

Watts 0257564 Valve Refrigerant With its SPST normally closedThe Watts 0257564 Valve (Model 140X 5) is a heavy duty, automatic reseating temperature and pressure relief valve designed for high capacity commercial water heating systems. Engineered with a durable bronze body and 3 4 inch FNPT inlet outlet connections, this valve provides critical protection for domestic hot water supply tanks. It features an ASME rating of 1,438,000 BTU hr and a CSA rating of 205,000 BTU hr, ensuring it handles massive thermal