Flow switch with transparent Tee View larger

Harwil with transparent Tee 3/4" x 3/4"

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Plastic assembly 3/4" x 3/4" 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.

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£96.55 tax incl.

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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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