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Has your LOFT boiler got ANTIFREEZE?

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Find a Fault and lots more in 5. Pt. 2

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22mm Zone Valve (S Plan) how to install which wire goes where + easy Fault Finding

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5 Formulas Electricians Should Have Memorized!

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Is your boiler REALY condensing? Most are NOT, I show you how to test, it’s easy.

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VÁLVULA vs TRANSISTOR: A REAL DIFERENÇA (VEJA NA PRÁTICA!)

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ALL Combi boilers will loose pressure - This video could help find and FIX

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September is when we switch the heating ON but NO response from the boiler. This video may help.