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    another van fault

    hi guys , my nissan primastar is playing up.. the problem!!!: the van starts like a dream, first time every time. but i canr rev the engine , i cant put foot to floor but nothing!!!!!! just ticks over cant rev the engine at all, however if i leave the engine running for about 4 minutes it...
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    high pressure on unvented cylinder

    yeah thanks doitall. the ariston has a five year guarantee. but it was fitted 6 years ago.
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    high pressure on unvented cylinder

    went around and had a look ... drained it down and the pressure went up straight away.. turned mains stop tap off and drained it and it helps it pressure. therefore must have a crack in the heat exchanger.. phoned ariston who confirmed the problem ... my mate is gutted!!!! thanks for the help...
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    high pressure on unvented cylinder

    thanks guys doitall :oops: :oops: :oops: :oops:
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    Waste pipe layout

    do not whatever you do cut the joists to fit the waste pipe. it will severely weaken the floor. you may have to raise the tray and box in the waste!!
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    high pressure on unvented cylinder

    thanks guys. simond im in the trade myself and am looking for other ideas outside of what ive suggested im at a loss as to what it could be. whats the likelyhood of a faulty pressure gauge?? ive not come across this problem before. so i can only think of obvious answers. so if anyone...
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    high pressure on unvented cylinder

    hi guys , first post on here. anyway a friend of mine has a system boiler and an unvented cylinder. he noticed the pressure gauge was reading close to 4 bar. i told him to drain some water of the central heating system. which he did. the pressure dropped down to 1.5 bar but within 1 minute...
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