Resideo 40003918-008 Adapter Kit 318172-701 it serves as the central

it serves as the central logic hub

including the 2203 and 3003 Series

there is a manual override lever located at the bottom of the mechanism that allows you to toggle the circuit state without affecting the preset 24-hour cycle

and Penn-Johnson DSI modules with a compact footprint

which can be inaccurate in large ducts due to stratification

Resideo 40003918-008 Adapter Kit 318172-701 it serves as the centralThe Resideo 40003918 008 Adapter Kit is an essential service component for field repairing Honeywell zone valves specifically applied in low pressure steam systems. This comprehensive kit is designed to restore structural integrity and sealing performance to V4043E, V4043J, and V8043J models without requiring a full valve body replacement. The kit features a high tolerance adapter plate and a precision engineered ball and shaft assembly to ensure