This OEM Lennox part is built for durability in residential and light commercial environments

and package units

Does this part include the wiring harness

Is this switch compatible with chemicals

Common Installation Questions: Does this thermostat support remote sensing

Resideo 40003916-008 Actuator 321042-401 This OEM Lennox part isThe Resideo 40003916 008 is a high performance replacement zone valve actuator engineered for precise flow control within hydronic heating systems. Specifically designed for use with the V8044C series zone valve body, this 24V 50 Hz powerhead is a critical component for technicians maintaining residential and light commercial multi zone layouts. By converting electrical signals from the thermostat into mechanical action, the actuator drives the valve