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Thank you all again for making me laugh. He's not asked me to service his boiler or solar system yet, so hopefully that's voided his 5 year warranty. I eventually had my day in court with him. The doddery old judge sat and listened looking very bored and eventually summed up saying "Well you...

Yes, if there is no suitable drain to discharge into you should install condensate soakaway. McAlpine make a purpose designed product. Basically it's a 100mm diameter by 300mm plastic container that you bury in the ground. I've placed the relevent page from a Worcester Bosch boiler...

Just foor the record PRV is a Pressure RELIEF Valve not a Pressure REDUCING Valve which is something else entirely. Call me pedantic![/u]

Well I took a pasting on that one! Business obviouslly isn't my strong point. Thanks for the moral support!

Thanks for you thoughts everyone. As I said I have a bit of history with this customer and I should probably have gone with my first instinct, which not to even answer his call. Summer before last I completely replumbed his 5 bed house; new boiler, unvented twin coil cylinder, solar panels...

I enquired about Worcester's a few months ago and they had just withdrawn them due to problems, despite them being released in Germany. Honeywell claim to have TPI controller, as I think Danfoss do, but how a third party thermostat can modulate a boiler that has only an on/off call for heat...

Yes Tony.. And of course the room thermostat will make the boiler cycle also. I should read up on how the new TPI controllers work...

I have to agree about Ideal... I've had a lot of bad experiences with them. In my opinion, stick to something German. I'm surprised to hear you've had bad experiences with Worcester. I would think that fitting an unvented cylinder wouldn't be the way to go if you have poor cold supply. As was...

I definitely wouldn't goo for an Ideal Icos... Same stable as the Isar which is affectionately known as the Isaw. I'm a big fan of German engineering and have fitted a a lot of Vaillant and Worcester boilers. Vaillant customer service has gone down the tubes since taking over glow-Worm three...

That's good advice from Agile, most boilers are oversized on the basis that people can't or can't be bothered to do the heat loss calculations just want to be sure it's big enough. It is actually quite time consuming to do an accurate calculation. With older "on/off" boilers, oversizing had...

I'm just taking a customer to court over non payment of my invoice as he says I am over charging. Bit of a long story as I have some history with him. I've tried contacting CIHPE to see if they have recommended rates, but no joy. I charged him £450 for 1 1/2 man days to remove and reinstall and...

If the radiator is in the negative pressure part of the circuit it can be possible for air to be drawn in via "micro leaks"... holes or poorly sealed compression fittings that... that are too smalll to allow water to leak out but which are big enough to let air in. Another possibility is...