Velocity Boiler Works (Crown) 3503025 Relay 321142-301 Ensures reliable ignition and flame

Ensures reliable ignition and flame supervision for standing pilot gas systems

Use a manometer to measure the actual draft produced by the inducer and compare it against the 0

directly improving HVAC system efficiency and reducing jacket heat loss

providing an accuracy of ±1

this replacement furnace motor integrates with existing control boards to restore reliable ignition sequences and system pressure switch closure

Velocity Boiler Works (Crown) 3503025 Relay 321142-301 Ensures reliable ignition and flameThe Velocity Boiler Works (Crown) 3503025 Relay is a high duty 120V combination relay engineered for precise circuit management in residential and commercial hydronic systems. As a critical boiler replacement part, this component integrates multiple switching functions into a single housing, streamlining the 120VAC electrical path for burners, pumps, and limit controls. Designed specifically for Crown boiler systems, it ensures 60Hz current stability