New product
Plastic assembly 3/4" x 3/4" barbs at each end and fitted with switch Q-12DS
Thread diameter : 1"
Grey probe length : 1-1/4"
If you don't need the plastic assembly, just buy the switch shown below as an accessory.
This product is no longer in stock
Availability date:
Harwil Reed Flow switch common to systems using Gecko and Hydroquip electronics and Laing heaters.
This type of Harwil reed flow switch is the MOST common type in the UK, but we suggest you check these sizes before buying :
Thread diameter : 1"
Grey probe length : 1-1/4"
Normally found screwed into a clear plastic housing
VERY easy to fit and supplied with cable - you must clip the wires into your existing circuit board connector.
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