How to open a Viessmann 7450156

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As with any electronic device, there may be times when it is necessary to open up the Duomatik Control Module to perform maintenance or repair.

In this guide we will be showing you how to open the Viessmann Duomatik Control Module 7450156.

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Spudger

$3.99

Place the module on its front.
The back of the module is held in by four clips. Use Spudgers to hold the clips open while you remove the back.
You might meet a bit of resistance from the little red connector holding the two PCBs inside together.

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To reassemble your device, follow these instructions in reverse order.

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