A functioning S1-025-32607-000 should show a closed circuit

though this individual knob is the go-to for external mechanical damage

making it compatible with most standard residential and light commercial gas manifold piping

ensure the underlying combustion issue is resolved to maintain system integrity and compliance with furnace repair standards

and light oils

Weil McLain 560-528-998 Orifice A functioning S1-025-32607-000 should showFor service technicians maintaining Weil McLain hydronic systems, the Weil McLain 560 528 998 LP Gas Orifice is a critical component for ensuring precise stoichiometric combustion in propane fired applications. This OEM LP gas orifice is engineered with a high tolerance 1. 3mm drill size, providing the exact fuel to air ratio required for consistent boiler gas burner performance. Designed for durability in high demand environments, it features a