Carrier HK50AA051 Circuit Board 320074-702 This is a 1-ton capacity

This is a 1-ton capacity expansion valve

making it suitable for most low-pressure steam and hot water heating systems

this 1/25 HP motor features a high-temp plastic housing and a precision-balanced impeller to minimize vibration and bearing wear

What models does the Lennox 94H80 fit

This specific model features external pressure equalization via a 1/4-inch flare connection

Carrier HK50AA051 Circuit Board 320074-702 This is a 1-ton capacityThe Carrier HK50AA051 Circuit Board is a Factory Authorized Part specifically engineered for high demand Carrier commercial HVAC systems, including packaged rooftop units (RTUs) and heat pump systems. This genuine OEM replacement control board serves as the central terminal board and wiring interface, managing critical 24V low voltage communication across your heating and cooling stages. Built with high grade fiberboard and featuring a 30A amperage