Daikin-McQuay 106393501 Control Board 320734-701 They are the same physical

They are the same physical component

Field Reliability: Built with high-tolerance components that reduce wear on the actuator shaft and maintain proportional control accuracy

OEM Compatibility: Designed specifically for Lochinvar and A

supporting water supply pressures up to 150 psi and boiler pressures up to 15 psi

optimized for maximum adsorption of water and neutralization of destructive acids

Daikin-McQuay 106393501 Control Board 320734-701 They are the same physicalThe Daikin McQuay 106393501 Control Board is a critical 24V PC board designed for precise regulation of HVAC system sequences. Engineered for high reliability applications, this OEM replacement control board manages operational logic, including fan timing, compressor cycles, and safety circuit monitoring. As a direct replacement for legacy McQuay and current Daikin units, it ensures voltage stability and signal integrity across the low voltage control