Lennox 27A27 Heater 326058-757 ensuring the correct Module Plug

ensuring the correct Module Plug Furnace Control is seated is the first step in restoring proper communication between the blower motor and the main logic board

The TUA series typically utilizes interchangeable orifice assemblies

The Carrier KR12HY118 Motor Pulley is a precision-engineered fixed-bore drive component designed for heavy-duty application in commercial HVAC air handling systems

maintaining electrical isolation is paramount for protecting sensitive control circuits from under/over voltage swings

Precision Control: includes a new plug assembly and seat ring to restore original linear or equal-percentage flow characteristics

Lennox 27A27 Heater 326058-757 ensuring the correct Module PlugMaintain peak heating performance in matched systems with the Lennox 27A27 electric heat kit (model ECB29 9CB 8P). This 9kW supplemental heating assembly is engineered for seamless field installation within the heater compartment of compatible Lennox air handlers, including the CBX32M and CBX27UH series. Operating on a 208 230V single phase electrical circuit, this OEM heat strip provides critical auxiliary and emergency heat to support heat pump