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I get 240v

"sound like a dodgey relay on the valve or faulty wiring did u test from the wiring unit or the valve" I tested from the wiring unit - definitely don't get Orange and White

Seem to have a problem - javascript:emoticon(':(') If I switch on in this order: CH then HW ON boiler fires, turn CH off - valve moves and HW fires the boiler If I have HW then CH on boiler fires, then turn HW off - boiler turns off Now turn CH off and back on, the boiler fires up...

Hope you can help, in the summer my CH is off, but the radiators get hot(warm) when the water comes on. The 3 way port is working fine - the feed to the CH is cold when the HW is hot. The return feed from the HW joins the return from the CH and it is here that the hot water seems to be finding...

I have just installed a new system, what is the best method of flushing out the swarf\flux etc? Do I remove the 3 way valve and replace with a piece of pipe? Do I need the pump in, or would I take it out and use gravity to drain through the system? Powerflush - is this really necessary or...

OK, many hours down the line, I have opted for conventional boiler and copper. Why did I worry my silly head in the first place. In my trade (IT) everything you know today is useless in 9 months time, I guess we embrace new technology more readily - mind you if it goes wrong it won't flood...

OK, thanks for all of your thoughts, I will stick with the conventional setup. Now should I use copper or plastic pipes? Just to clarify, I am installing a new system in a old house. My current house is fine and functioning OK, so not looking to change it - lie you said if aint broke... cheers

OK, I know some of this, How many people live in your house? >>2 adults<< Do you prefer baths? >>No<< Do you prefer showers? >>Yes<< If showers, low pressure or power showers?>>I have an electric shower<< What is your water supply pressure? >>Not sure, but it seems OK<< What is the flow...

You know, Glowworm CI boiler, 7 rads of any size with valvles, 30m (I think) of 15mm and 22mm copper pipe But from Oilmans reply, I have gone right off the combi option!! :?

We have a log burner with stove pipe and have been experiencing strong fumes since it was installed. I thought this would go away after a few burnings but when the fire gets really hot it still seems to fume the room. Will this eventually clear?

I have the opportunity to select the type of heating system to install into a 3 bed house. Should I go for a conventional system (space is not an issue) or should I go for a combi boiler? I only have one bathroom and the kitchen so shouldn't be too much draw on hot water. If combi option - any...