Contractors should note that while this is a direct replacement for the A-4210-601

leak-proof interface with the gas manifold

Reduced Maintenance: Engineered for clean combustion to minimize carbon buildup on the burner tray and pilot assembly

Confirming this matches your existing blower is essential for proper air delivery

Velocity Boiler Works (Crown) 96-023 Switch 326058-755 Contractors should note that whileThe Velocity Boiler Works (Crown) 96 023 is a precision engineered manual reset spill switch designed for critical safety monitoring in hydronic heating systems. Rated for 340F, this SPST (Single Pole Single Throw) switch provides high limit protection by detecting flue gas spillage or excessive temperatures at the draft hood. When the thermal limit is exceeded, the switch interrupts the electrical circuit to shut down the burner, preventing hazardous