Hi there I have 2 Worcester Bosch Higflow 400's in 2 rented houses which have been an absolute nightmare. Both boilers were new about 4 years ago and in that time I have had perhaps 10 breakdowns on each boiler.
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Research on 'the net' reveals reliability problems with that model and it seems they are very sensitive to any rubbish at all in the central heating system. My boilers were installed on clean (new) systems of HEP2O pipe and new radiators and the system was well flushed proir to installation It seems the diverter valve often goes wrong and there is a little 1 way non return valve which often sticks. The plate heat exchanger has been removed and descaled at least once on one boiler and the high temperature trips have often 'popped out' even when brand new on both (these trips are not counted as a breakdown in my statistics!!) There is also little plastic filter (on the heatbank?) which clogs and even the electronic timer clocks have gone wrong once on each boiler. Tony Hawk Pro Skater 2 Android Free Download here. Why should an electronic timer go wrong for goodness sake? I'd apprecaire replies on 2 things 1. Any experiences you have had on this Worcester model (only) I know Worcester generally are supposed to be good for reliability 2. Comments on my plan is to install a stainless steel Megaflo (or similar pressurised tank like the Telford stainless tanks) asap to supply hot water and junk the Highflows for a system boiler when the tenants move out next summer.
I know this 'stored water solution' is a better solution for me purposes as I have used it in other properties. One huge advantage is that the immersion heater can be turned on as a 'back up' as boilers will always break down every so often. Ideally I would like to convert the Highflows to a boiler which is stuck in 'heating mode' but the electronics apparently go into a routine (even if the hot water is off) which instructs the boiler to fill up the storage tank with hot water when first turned on. I'll install an external 2 port valve and S plan or Y plan to heat the megaflo Can anybody suggest a clever way to rewire or fool the boiler to think the hot water tank is up to temperature so it could be used as a conventional boiler? Metti Oli Serial Episode 800 there. (ie change the sensing thermister for a fixed value resisitor or something?) Thanks for any help - Lightman. I had one of these highflow 400's fitted 3 1/2 years ago. Worked fine until 2 weeks ago, until I noticed water coming through the kitchen ceiling.
