How do I create a vacuum pump with filter to clean underfloor heating pipes?

Number of posts : 276 Registration date : 2011-06-27

I have posted a recent question about blocked underfloor liquid central heating pipes
and although 3 people were contributing, - their answers have already been tried.
I now was wondering whether anyone can suggest an easy way to create a suction (vacuum)
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Underfloor Heating Epsom|Industrial Commercial Heating

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