Combination Gas Boilers

combination gas boilers

combination gas boilers
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The water in my house keeps running hot and cold, what is wrong with it?

I have a gas combination boiler and normally I have hot water from my shower and taps straight away.

However recently, if I use the shower (or taps) the water will run hot for a few minutes, then run with cold water for around 5 minutes before it returns to hot water for another 5 minutes. Does anyone have any idea was is wrong? Would it have any thing to do with the water pressure?
And most importantly will it cost a lot of money to call a plumber in to fix it?

Thanks for any help!

Ours did that it was the heat exchangers, simple job for a boiler engineer.

NTI Trinity Ti Plumbing for Combi.wmv

www.HeatingForHome.com

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