Resideo 40003918-008 Adapter Kit 328140-751 Safe Operation: Maintains proper air

Safe Operation: Maintains proper air balance

or the inability of the system to maintain setpoint pressure

ensuring the evaporator coil does not freeze and heat exchangers operate within safe temperature rises

or the system staying in a pre-purge loop without advancing to the firing stage

Resideo 40003918-008 Adapter Kit 328140-751 Safe Operation: Maintains proper airThe 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