When installing this Lennox replacement part

offering significantly improved timing accuracy and robust flame sensing capabilities

The Rheem-Ruud 51-23012-31 Motor is a high-performance 1/2 HP replacement blower motor designed for direct-drive applications in HVAC furnace systems

The assembly is engineered with a high-torque spring-return actuator to maintain a positive close-off against the rated differential pressures of the VG7000 globe valve series

BROAN-NuTone MD8TU Damper 320720-756 When installing this Lennox replacementThe BROAN NuTone MD8TU is an 8 inch universal automatic make up air damper designed to provide synchronized ventilation in high performance residential kitchen environments. Engineered to meet IRC makeup air requirements, this pressure sensing damper automatically opens when the range hood is activated, preventing negative air pressure and potential backdrafting of combustion appliances. The unit features a normally closed motorized damper