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wildwest
We have just had a plumber in to quote us a new heating system for a 5 bedrooms house with 3 bathrooms in london. So far we have been told megaflow is the way to go for this size house but this plumber recommends that we install the storage boiler instead and that if we wanted to go down the megaflow route he would even turn the job down.
His argument is that he installed megaflow in his dad house few years back and it was great until the pressure dropped and made the megaflow system worthless. He thinks that eventually water pressure will drop in most part of town with new build being built at every corner. He reckons a storage combi boiler will cost half the money and do the job just fine. Any view on this?
At the moment we have approximately 3bar pressure coming to the house. Megaflow needs at least more than 1.5 bar pressure to fully function. Thames water minimum pressure is something is like 3/4 of a bar.
Personally we could do with the cost saving and a cheaper installation but the last thing we want is to struggle with 2 taps opened at the same time.