Daikin-McQuay 300043173 Thermostat 340155-7026 High Power Capacity: The 100VA

High Power Capacity: The 100VA rating provides ample overhead for complex systems with multiple contactors

utilizing sleeve bearings and thermal protection to prevent overheating during continuous cycles

preventing premature thermal limit trips common with "universal" alternatives

you will need standard brazing equipment

Daikin-McQuay 300043173 Thermostat 340155-7026 High Power Capacity: The 100VAThe Daikin McQuay 300043173 Thermostat and Sub Base assembly is a critical 24V digital control component engineered for commercial and light industrial environmental management. This unit serves as the direct replacement for T874A1598, ensuring a seamless field upgrade without the need for extensive rewiring or bracket modifications. Designed for high reliability HVAC applications, this digital thermostat features a rugged sub base to maintain stable