Neomitis 28mm 3 Port Mid Position Motorised Valve | MTV328 | 230V

Description

The Neomitis MTV328 28mm Motorised 3 Port Mid Position Valve provides dependable control of water flow between the central heating and domestic hot water circuits. Designed for pumped systems with both radiator and cylinder circuits, it allows the boiler to serve heating only, hot water only, or both simultaneously when used with a compatible programmer, room thermostat and cylinder thermostat.

With a durable metal housing, spring return action, quiet operation and a replaceable actuator, this valve is a practical choice for new installations and system upgrades. The 28mm compression connections and industry standard 5 core wiring help support straightforward installation for heating engineers and competent DIY users.

28mm

Compression Connections

3 Port

Mid Position Valve

230V

50Hz Supply

6W

Power Consumption

10 Bar

Max Static Pressure

2 Years

Manufacturer Warranty

Useful information: The MTV328 is a mid position valve, meaning it can direct flow to the heating circuit, the hot water cylinder circuit, or both at the same time.

Compatibility note: This valve is intended for domestic central heating systems where the radiator and hot water cylinder circuits are pumped. Always confirm system design, wiring requirements and valve orientation before installation.

Safety and installation: Electrical connections must be carried out safely and in accordance with current UK wiring requirements. If you are not competent to work on mains voltage heating controls, use a qualified installer.

Key Features

Mid Position Flow Control

Directs water to the radiator circuit, hot water cylinder circuit, or both, supporting flexible heating and hot water control.

28mm Compression Fittings

The 28mm compression connections suit standard pipework and help simplify installation without the need for specialist valve connections.

Replaceable Actuator

The actuator head can be replaced without draining down the heating system, helping reduce disruption during maintenance.

Manual Lever

A manual lever allows the valve to be positioned for filling and draining the system, making commissioning and servicing more convenient.

Low Power Consumption

Using just 6W, the motorised valve provides efficient operation while helping to keep overall control system energy use low.

Quiet, Durable Construction

A metal housing, spring return action and quiet operation make it suitable for everyday domestic heating applications.

Technical Specifications

General

Brand

Neomitis

Model / MPN

MTV328

EAN

3760025250602

Valve Type

3 Port Mid Position Motorised Valve

Application

Domestic central heating and hot water systems

Electrical

Voltage

230V~ 50Hz

Power Consumption

6W

Cable

1m, 5-core, industry standard colour coded wiring

Performance

Maximum Static Pressure

10.0 bar

Fluid Temperature Range

+5°C to +80°C

Maximum Ambient Temperature

+50°C

Operation

Spring return action with manual lever

Dimensions and Connections

Connection Size

28mm compression

Dimension A

87mm

Dimension B

55mm

Dimension C

60mm

Dimension D

117mm

Dimension E

137mm

Warranty and Certification

Warranty

2 year manufacturer warranty

Certification

CE and UKCA declaration available from the manufacturer

Frequently Asked Questions

What is a 3 port mid-position valve used for?

A 3 port mid position valve controls the flow of water in a domestic central heating system. It can send water to the radiator circuit, the hot water cylinder circuit, or both circuits at the same time.

Is the Neomitis MTV328 suitable for my heating system?

The MTV328 is designed for pumped domestic central heating systems that include both radiator and hot water cylinder circuits. It uses 28mm compression connections, so check that your pipework and system layout are compatible before ordering.

Can the actuator be replaced without draining the system?

Yes. The replaceable actuator can be lifted from the valve body without draining down the heating system, which can make future maintenance simpler.

What electrical supply does the valve require?

The valve operates on a 230V~ 50Hz supply and consumes 6W. It is supplied with a 1m, 5 core cable using industry standard colour coded wiring.

Does this valve include a manual override?

Yes. The valve includes a manual lever for filling and draining the system, providing a practical option during commissioning or servicing.

BTU Calculator

BTU & WATT Calculator

Room Dimensions

Length (in m):

Width (in m):

Height (in m):

Room Type

Living Room

Bedroom

Kitchen

Bathroom

Conservatory

Hallway

Glazing Type

Single Glazed

Double Glazed

Triple Glazed

External Walls

0 Wall

1 Wall

2 Walls

3 Walls

4 Walls

Insulation Level

Poor

Average

Good (New Build)

Calculate

Required Heating

0

Watts

0

BTUs