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DIY Forum >> Plumbing Questions >> IDEAL ISAR 24HE https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1204384956 Message started by watty on Mar 1st, 2008, 3:22pm |
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Title: IDEAL ISAR 24HE Post by watty on Mar 1st, 2008, 3:22pm I went to a customers house the other day to fix a rad leak, carried out the repair and topped up the boiler then fired it up ran for while then cut out. When I spoke to idealtech they said it was an air prob and to just keep firing the boiler,no good. Spoke again to ideal and they suggested removing the div valve head to help get rid of the air,no good. The third engineer at ideal suggested removing the pump head to ensure the impeller was still attached to the spindle and it wasn't, put a new pump on and bingo but my question is,why did the boiler not cut out at 0.5 bar as usual to prevent dry firing and does this indicate another component faliure. |
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Title: Re: IDEAL ISAR 24HE Post by watty on Mar 1st, 2008, 11:51pm is nobody interested in this horrible boiler. come on give us a clue :) |
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Title: Re: IDEAL ISAR 24HE Post by thescruff on Mar 2nd, 2008, 12:24am Perhaps the dry firing thermistor is duff, or the gauge is blocked and you have more pressure than is shown, What is the low pressure on these or have I got to get the book out again ::) Check resistance using a suitable multimeter connected across the dry fire thermistors terminal pins At 25 oC expect 9,700 - 10,300 Ohms At 60 oC expect 2,400 - 2,600 Ohms At 85 oC expect 1,000 - 1,100 Ohms |
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Title: Re: IDEAL ISAR 24HE Post by lovejoy on Mar 18th, 2008, 2:21pm the gauge on a isar is fitted to the pipe wok and not a internal 1 i have had probblems with this guage on a number of occasions cheap nasty boiler and guage :-/ |
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Title: Re: IDEAL ISAR 24HE Post by watty on Apr 10th, 2008, 7:37pm thanks for the help.I think ill just leave it at that |
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