Product News

New and original Honeywell ML7421A8035-E Electric Linear Valve Actuator 24VAC Modulating HVAC Control Actuator

News July 30, 2026

Honeywell ML7421A8035-E Smart Linear Valve Actuator 24VAC HVAC Control Valve Motor 0-10V Input 2-10V Feedback High Performance for HVAC Water Control Valve


Product Description:

The Honeywell ML7421A8035-E Electric Linear Valve Actuator is a high-performance modulating actuator designed for accurate and reliable control of Honeywell linear valves in heating, ventilation, air conditioning, and building automation systems. This actuator provides precise valve positioning through proportional control signals, ensuring efficient regulation of water flow, temperature, and energy consumption in HVAC applications.


Designed with advanced Honeywell engineering technology, the ML7421A8035-E offers excellent reliability, smooth operation, and long service life. It is widely used in commercial buildings, industrial facilities, HVAC control systems, and automatic temperature regulation applications where accurate valve control is required.

The actuator operates with a 24VAC power supply and supports 0(2)-10VDC modulating control signals, allowing seamless integration with modern building management systems (BMS), controllers, and automation platforms. With a powerful 1800N thrust force and 20mm stroke length, it provides stable and precise movement for compatible control valves.


Honeywell ML7421A8035-E



Product Features

  • Original Honeywell industrial control component

  • Model: ML7421A8035-E

  • Product Type: Electric Linear Valve Actuator

  • Designed for HVAC and building automation applications

  • Modulating control for accurate valve positioning

  • 24VAC power supply design

  • 20mm linear stroke length

  • High-performance 1800N actuator force

  • Supports proportional control signals

  • Reliable operation with low maintenance requirements

  • Compact design for easy installation

  • Suitable for continuous industrial and commercial operation


Technical Specifications

ParameterSpecification
BrandHoneywell
ModelML7421A8035-E
Product TypeElectric Linear Valve Actuator
Power Supply24VAC ±15%, 50/60Hz
Control Signal0(2)-10VDC
Feedback Signal2-10VDC
Stroke Length20mm
Force Rating1800N
Running TimeApproximately 60 seconds
Protection ClassIP54
Mounting PositionVertical to horizontal installation
ApplicationHVAC valve control / Building automation


Application Areas

The Honeywell ML7421A8035-E actuator is widely applied in various automatic control systems, including:

  • Heating, ventilation, and air conditioning (HVAC) systems

  • Chilled water and hot water control systems

  • Fan coil units and air handling units

  • Building management systems (BMS)

  • Industrial process temperature control

  • Energy management and automatic regulation systems

  • Commercial building climate control equipment


Advantages of Honeywell ML7421A8035-E

Precise Modulating Control

The actuator provides accurate proportional valve adjustment, allowing controllers to maintain stable temperature and flow conditions while improving system efficiency.

Reliable Industrial Performance

Manufactured by Honeywell, the ML7421A8035-E delivers dependable performance in demanding HVAC environments with excellent durability and operational stability.



Compatible Applications

Honeywell ML7421A8035-E is suitable for customers requiring replacement or installation of:

  • Honeywell linear valve actuator systems

  • HVAC automatic control valves

  • Building automation valve control solutions

  • Industrial temperature control equipment

  • Water flow regulation systems