Velocity Boiler Works (Crown) 3503025 Relay 326058-758 converting to spring-return requires a

converting to spring-return requires a specific spring cartridge kit compatible with the 083 size housing

you know that keeping a system clean is the only way to prevent callbacks and compressor failure

verifying the MCA (Minimum Circuit Ampacity) and MOP (Maximum Overcurrent Protection) is essential for electrical code compliance

designed for standard brazing procedures in the field

Velocity Boiler Works (Crown) 3503025 Relay 326058-758 converting to spring-return requires aThe 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