Description
The Tower VAL328MP is a reliable 3-port mid-position valve with 28mm compression fittings and a 230V AC switched output, designed for fully pumped systems. It provides efficient water flow control from the boiler, allowing hot water only, heating only, or both simultaneously when integrated with appropriate thermostats and programmers.
Specifications:
- Supply Voltage: 220-240V AC, 50Hz
- Power Consumption: 6W
- Operating Temperature: +5°C to +88°C
- Max Differential Pressure (28mm): 1 bar
- Max Static Pressure: 10 bar
- Max Ambient Temperature: 52°C
- Cable Length: 1 metre
Installation Instructions:
- Read the plumbing and wiring instructions before fitting.
- For actuator replacement, set the AUTO/MAN lever to Manual Open before removal and fitting.
- Use the wrench flats on the valve body; do not use the actuator for leverage.
Wiring Details:
- White: Room Thermostat Call / Heating On
- Grey: Cylinder Thermostat Sat / Hot Water Off
- Orange: Cylinder Thermostat Call / Boiler and Pump
- Blue: Neutral
- Green & Yellow: Earth
Plumbing Notes:
- Use the AUTO/MAN lever in MAN position during system filling, venting, or draining.
- Avoid overtightening during installation.
The Tower VAL328MP ensures efficient and reliable water flow control, making it an excellent choice for modern heating systems.
3 Port Mid Position Motorised Zone Valve 28mm 5 Wire, Direct Replacement for Honeywell V4073A, Tower, Banico, Horstmann
- Supply voltage 240V. AC 50Hz
- Power consumption: 6W
- Operating temperature range: +5 to +88 °C
- Cable length one metre
- Max. differential pressure for 22mm = 1Bar
