Robertshaw 10-391 Spark Plug Adaptor Smith 100208084 Gasket is a

Smith 100208084 Gasket is a high-temperature sealing component engineered for industrial and residential hydronic systems

This ensures a tight

the S1-029-21182-042 threads securely into the gas manifold

Does this fit all Lochinvar Knight models

Engineered for professional-grade heating system repair

Robertshaw 10-391 Spark Plug Adaptor Smith 100208084 Gasket is aThe Robertshaw 10 391 Spark Plug Adaptor is a mission critical component designed for high performance HVAC ignition systems. This heavy duty ignition electrode adapter provides a secure, low resistance bridge between standard spark plugs and 1 4" female quick connect terminals. Engineered for durability in demanding heating and refrigeration environments, the 10 391 utilizes high grade metallic alloys to maintain electrical continuity even under