Lochinvar & A.O. Smith 100172015 Gas Valve 320788-703 This often indicates a burnt-out

This often indicates a burnt-out 903906 heating element or a tripped limit switch

this DC power contactor handles a continuous load of 50 Amps and an inrush current of up to 200 Amps

34" WC but the switch remains open (check for continuity across terminals)

Auto-Reset Functionality: Automatically restores the circuit once temperatures return to safe operating levels

Lochinvar & A.O. Smith 100172015 Gas Valve 320788-703 This often indicates a burnt-outThe Lochinvar & A. O. Smith 100172015 Gas Valve is a critical 1 inch, 24V regulated component designed for high capacity commercial and industrial hydronic systems. This natural gas valve assembly is primarily utilized in Lochinvar Knight XL boiler parts, specifically for models KBN800, KBN801, OKN801, and AWN801PM. Engineered for precision combustion control, the unit features a Honeywell V8730C internal regulation module, ensuring a consistent