Resideo - Honeywell Home 40003916-021 Zone Valve Power HeadZone Valve Power Head delivers precise control for your heating or cooling system, designed for use with the V8043A motorized zone valve. This Resideo Honeywell Home replacement ensures reliable operation at a standard 24 Volt AC supply and compatible 50 60 Hz power. Designed for seamless integration with modern HVAC setups, the Zone Valve Power Head comes from trusted brands Resideo and Honeywell Home, ensuring durability and compatibility. It is

Physical: End-to-End Distance 4-1/16"

Model 341500 includes everything you need: two #37-27 gaskets

making retrofit installation straightforward in tight spaces

reducing fuel waste and extending the life of your heating system

diaphragm-style valve ensures safe shut-off and smooth operation in everyday use

and reliable valve control in modern HVAC systems

Whether you're updating an aging control or stocking spare parts for routine maintenance

Factory-attached OPD for enhanced overfill protection

it delivers smooth airflow

Used On: ADSH801005CX

all backed by a non-spring return for predictable performance

The transformer is rated for operating temperatures from -30 to 40 C and storage from -40 to 80 C