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wrong 3/4 is smaller then 22mm.

when you checked the charge of the expansion vessal , was the pressure at 1 bar accross the system.

it could be the expansion vessel that needs charging.

another problem could be the location of the vent in relation to the pump ie you have the pump, with the direction arrow is the vent pipe above or below it.

first things first, the bigger picture needs to be taken in to account. america is one of the biggest pollutant if not the biggest. so before going to the extreme on an appliance in this country, which requires to be run at a 100o/o before it becomes effective. maybe they should persuade the...

call in to plumb centre and pick up a pack of 3/4 olive's. or call in to your local plumbase and pick up a 3/4-22mm endfeed coupling. no i don't work for either :)

http://www.hmso.gov.uk/ and then type in your search. unvented will come under the building regs. if you put in water regulations, you'll have have to trawl through them, or you can try http://www.wras.co.uk/ and purchase the wras guide which has put it down in laymans terms. also has coloured...

oh yeah. :oops:

i doesn't matter, any work carried out on the appliance ie renewing altering replacing, you need to inform the as per the regs. a good guide is the wras guide book. all in there, and its got colour pictures.

not being funny, but this was all new to me when i got sent on the unvented course. its illegal to install a system over 15ltr unless you have done the course. also you are supposed to inform the local authority of what you are doing ten days before you carry out the work, unless you are self...

are you shore the pressure vessel is holding its charge. the way to check is switch of the electric, then the water. reduce the pressure then put a tyre pressue uge on this will tell you what is reading. just to make sure.

i get the idea kev, that you don't like them :?: at lest the welsh prevented the french from gaining a nother victory. not that makes me feel better, being english.

go back to the sparks and get them to start using there qualifications and knowlage instead of fobbing it of as usual. :roll:

cheers. thes appliance don't require another sperate check valve as well as the intergrated one do they. just that i have seen older versions with them.

also ask your plumber why he didn't fit a double check valve. as the regs state for out side tapes.

most people don't realise oe under stand that, unvented systems over 15ltr need to be installed by someone who hold the unvented ticket. this includes servicing and maintaining. unvented systems need to be serviced every year. if any of the safety devices are running, then this is telling you to...

hi, my question: i have just installed a sanivite, as per the manufactures instruction. i can see were the waste from the sink attaches. and also see were the discharge connects to the soil pipe. al within 5m. the problem i have is the pump continuously runs and you can here water running back...

youve answered your own question. with the boiler there will be a set of user instructions. these will take you through the process on how to fill the system.

dont panack mister mannering. is it dripping,runningor squerting.

is it feasible to locate the saniflow down stairs, in say an airing cupboard on the top floor and run the waste to it. my be try www.saniflo.co.uk and go to there faq section.