| On Thu, 01 Sep 2005 09:14:38 -0700, Matt Beard wrote: | | > | > Ed Sirett wrote: | >> On Tue, 30 Aug 2005 01:32:45 -0700, Matt Beard wrote: | >>
| >> > At a guess I would think that most would cope fine as long as that pipe | >> > used to short the circuit had a radiator in it. I would think that | >> > nasty things could happen if it is just a short bit of pipe - it | >> > wouldn't take much for the boiler firing the heating circuit up to lead | >> > to superheated water ( > 100C). | >> >
| >> > What boiler is it? | >>
| >> I'd check with the manufacturers, (of course). | >>
| >> To be on the safe side a couple of | >> temporary connections to a temporary radiator should probably do the | >> trick. | >>
| >>
| > I'd be careful if I were you - I gave an almost identical answer and got | > right royally jumped on for giving an answer that was not 100% copper | > bottomed guaranteed to be correct. | | I have run a (Vaillant) combi without the rads for a day, just using the | flow/return isolators shutoff. This allowed me to get the customer's hot | water back on at the end of the first day's work. | | I was very careful to make sure that the air was well out of the boiler, | it was considerable noiser as there was no where for the small air | bubble to escape to. | | If anyone does this and they damage their nice new boiler then it's | nothing to do with me.
OK OK. Plans have changed. I am re-routing the central heating pipes first, so they can be just connected to the new boiler when it arrives.