Neomitis 3 Port Mid Position Valve Actuator Head | MTVH3A | 230V 6W

Description

The Neomitis MTVH3A Replacement Actuator Head is a purpose designed replacement for Neomitis 3 port spring return mid position motorised valves. It restores reliable control of heating and hot water circuits without the need to drain down or replace the complete valve body, making it a practical repair solution for domestic central heating systems.

Designed for MTV322A 22 mm and MTV328A 28 mm Neomitis valves, this actuator uses industry standard wiring, a spring return action and a manual lever for filling or draining the system. Its low 6 W power consumption, quiet operation and metal housing make it suitable for everyday residential heating and hot water applications.

230 V

50 Hz supply

6 W

Power consumption

3 Port

Mid position valve

10 Bar

Maximum static pressure

1 m

5 core cable

2 Years

Manufacturer warranty

Important compatibility note: This replacement head is intended for use with Neomitis MTV322A or MTV328A 3 port spring return mid position motorised valves. It is not a universal actuator and should not be assumed to fit valves from other manufacturers.

Installation safety: Electrical installation and replacement should be carried out by a competent person in accordance with current UK wiring requirements. Isolate the electrical supply before removing or refitting the actuator, and follow the manufacturer’s installation instructions.

Convenient repair: The actuator can be replaced without draining the heating system, helping to reduce disruption and installation time compared with replacing the complete motorised valve.

Key Features

Direct Neomitis Replacement

Designed specifically for Neomitis MTV322A and MTV328A 3 port mid position valves, providing a straightforward replacement for a faulty actuator head.

Spring Return Operation

The spring return mechanism returns the valve to its default position when power is removed, supporting dependable heating and hot water control.

Manual Override Lever

A manual lever allows the valve to be positioned during system filling and draining. It should be operated smoothly and only when the actuator is correctly seated.

Low Energy Use

With a power consumption of just 6 W, the actuator provides efficient operation while helping to keep running costs low.

Industry Standard Wiring

Supplied with a 1 m five core cable using standard colour coded wiring, helping installers make familiar and clearly identified connections.

Durable Metal Housing

The metal housing is designed for everyday use in heating and domestic hot water systems, with quiet operation and a robust construction.

Technical Specifications

General

Brand

Neomitis

Manufacturer Part Number (MPN)

MTVH3A

EAN / GTIN

3760025258356

Product Type

Replacement actuator head

Valve Type

3 port spring return mid position motorised valve

Electrical

Supply Voltage

230 V~ 50 Hz

Power Consumption

6 W

Cable

1 m, 5 core, industry standard colour coded wiring

Wiring Functions

Neutral, heating on, hot water off, earth and boiler/pump live

Performance & Compatibility

Compatible Valves

Neomitis MTV322A (22 mm) and MTV328A (28 mm)

Suitable Systems

Central heating and domestic hot water systems

Maximum Static Pressure

10.0 bar

Maximum Differential Pressure

1 bar for 22 mm application

Fluid Temperature Range

+5°C to +80°C

Maximum Ambient Temperature

+50°C

Construction & Warranty

Housing Material

Metal

Actuator Dimensions

87 x 55 x 60 mm (A x B x C)

Warranty

2 year manufacturer warranty, subject to manufacturer terms and conditions

Frequently Asked Questions

Which valves does the Neomitis MTVH3A fit?

The MTVH3A is designed for Neomitis MTV322A 22 mm and MTV328A 28 mm 3 port spring return mid position motorised valves. It is not a universal replacement head for all motorised valve brands.

Can I replace the actuator without draining the system?

Yes. The actuator is designed to be replaced without draining down the heating system, provided the replacement is carried out correctly and the valve stem is positioned as described in the manufacturer’s instructions.

What voltage does this actuator require?

It operates on a 230 V~ 50 Hz supply and consumes 6 W of power. Always isolate the electrical supply before installation or removal.

Does it include a manual override?

Yes. The actuator includes a manual lever for filling and draining the system. The lever should be used smoothly, with moderate force, and only when the actuator is properly fitted to the valve body.

Is this suitable for both heating and hot water?

Yes. As a 3 port mid position valve actuator, it is intended for systems where both the radiator circuit and the hot water cylinder circuit are pumped, allowing control between heating, hot water or both.

What warranty is included?

The Neomitis MTVH3A is covered by a 2 year manufacturer warranty, subject to the manufacturer’s terms and conditions.

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