Velocity Boiler Works (Crown) 450601 Low Water Cut-Off 320819-301 The Carrier 30032020 Main Control

The Carrier 30032020 Main Control Board is a critical OEM replacement part designed for specific Carrier HVAC systems

0 is the current technical successor for many legacy expansion modules

Direct Surface Mount: Simplified installation on heat exchanger headers for accurate temperature sensing

Key Benefits: Universal Compatibility: Optimized for air

Velocity Boiler Works (Crown) 450601 Low Water Cut-Off 320819-301 The Carrier 30032020 Main ControlThe Velocity Boiler Works (Crown) 450601 Low Water Cut Off is a mission critical safety component designed for residential hot water boilers. Engineered for 24VAC systems, this LWCO primary control utilizes advanced probe style sensing to monitor the boilers fluid levels without the need for mechanical floats. With a 3 4 inch NPT process connection and automatic reset logic, it ensures the burner circuit is de energized immediately if water levels