What is the function of the manual override on this unit

When performing a commercial furnace maintenance check

Built with a durable brass body and 5/8" x 7/8" ODF solder connections

Common Questions Can I use this on a steam boiler

This specific model features a 3/4" Male NPT inlet and a 3/4" Female NPT outlet

Eaton Cutler-Hammer C0100E3AFB Transformer 323080-701 What is the function ofThe Eaton Cutler Hammer C0100E3AFB is a high performance 100VA control power transformer engineered for demanding industrial and commercial HVACR applications. This Type MTE industrial control transformer features multi tap primary voltage capabilities, supporting 208V and 277V inputs with a consistent 120V secondary output. Built with high quality silicon steel laminations, it minimizes core losses and improves efficiency during continuous duty