Utilizing Honeywell Maxon technical standards

You must align the flat portion of the motor shaft with the internal set screw of the 1/2" bore

This pressure switch is primarily used for monitoring air pressure and liquid pressure in HVACR systems

Includes pre-drilled mounting patterns to reduce installation time for commercial HVAC contractors

When installing this Lennox replacement part

BROAN-NuTone MD8TU Damper 320720-756 Utilizing Honeywell Maxon technical standardsThe 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