Tower VAL322MP 22mm Mid-Position Valve

In stock
Regular price £54.60 inc. VAT

The VAL322MP is a 3 port spring return mid-position valves with 22mm compression fittings and 230V AC switched output. These are for use on fully pumped systems which when correctly wired with an appropriate room thermostat, cylinder thermostat and programmer will control the water flow from the boiler to either to hot water only, heating only, or to both simultaneously.


  • 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
  • Max. static pressure 10.0 Bar
  • Max. ambient temperature 52 C


All wiring should be carried out to IEE Regulations
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

When connecting to pipe work do not use the actuator for leverage. Valves should be held by wrench flats on body. Place the AUTO/MAN lever in the MAN position when filling, venting or draining the system

We use Royal Mail Next Day Signed For service so that you can get your orders delivered on time. Orders must be placed before 3pm to get next day delivery. There is £5.95 delivery charge for this service. Boilers and Boiler packs are only available for collection only. We do not currently ship to the Channel Islands.