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Post by endfeed on Nov 28, 2019 18:34:43 GMT
Attachment DeletedAttachment Deleted..zip..varipoint 2, overflowing into fanny trap. not done repairs on these before, I'm thinking it's got to be the expansion vessel failed? Expansion vessel rusty on outside looks fooked. My next question is should these heaters be yearly serviced? It's in a council building. Could I be dropping myself in it doing repairs to this bag of shit? 
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Post by tomplum on Nov 28, 2019 18:55:54 GMT
yes to both questions, have you an unvented ticket ? if not leave it and tell your boss to send someone else with the correct quals or train you up. And yes, I think it will be the rusty EV,  |
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Post by battle1066 on Nov 28, 2019 19:05:54 GMT
I've not fixed that make but I've had plenty which I 've changed the expansion vessels on but they've been holed due to rusting.
I've also had plenty which have just required the expansion vessel recharged (which is never much pressure and easy to do if you have one of those cordless pump guns) with as the air charge point valve passes overtime and shows the fault with a dribble at the tundish.
Now I've also had some with a defective overheat protect stat-switch but you can normally test them to prove it defective.
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Post by endfeed on Nov 28, 2019 19:39:08 GMT
yes to both questions, have you an unvented ticket ? if not leave it and tell your boss to send someone else with the correct quals or train you up. And yes, I think it will be the rusty EV, I've been on the coarse tom, got the G3 ticket about 2years ago but not done much unvented stuff. The coarse wasn't that great to be fair. My gaffa ain't a plumber and his attitude is, your the plumber! You've been on the coarse 🤪🤪🤪🤪. Lucky the brew cabin has got my back👍👍 |
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Post by endfeed on Nov 28, 2019 19:44:10 GMT
I've not fixed that make but I've had plenty which I 've changed the expansion vessels on but they've been holed due to rusting. I've also had plenty which have just required the expansion vessel recharged (which is never much pressure and easy to do if you have one of those cordless pump guns) with as the air charge point valve passes overtime and shows the fault with a dribble at the tundish. Now I've also had some with a defective overheat protect stat-switch but you can normally test them to prove it defective. X2 of these in the building the rusty one is definitely shagged. The other,as you say may just need pumping 👍👍👍 would you work on one battle if it had no service history? |
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Post by battle1066 on Nov 28, 2019 20:11:24 GMT
I've not fixed that make but I've had plenty which I 've changed the expansion vessels on but they've been holed due to rusting. I've also had plenty which have just required the expansion vessel recharged (which is never much pressure and easy to do if you have one of those cordless pump guns) with as the air charge point valve passes overtime and shows the fault with a dribble at the tundish. Now I've also had some with a defective overheat protect stat-switch but you can normally test them to prove it defective. X2 of these in the building the rusty one is definitely shagged. The other,as you say may just need pumping 👍👍👍 would you work on one battle if it had no service history? Endfeed I'll have a good skill level in most disciplines so I will tackle all sorts of jobs if they inspire me. On products like this the fault is normally very visible it's only when you get into the PCBs that it requires knowledge and equipment you don't already have with you. Plus these products have technical help lines associated with the parts supply and they are very forth coming with guidance. |
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Post by tomplum on Nov 28, 2019 20:40:34 GMT
Go for it endfeed, if you have the ticket you are bullet proof, I'd check the stat on the boiler first, run the water and the flame lights and turn the water off and it should knock off, if it does, the stats ok, so then change the EV and for good measure change the relief valve as well, ( well its not your money) and it might save a call back, that would be my approach,  |
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Post by Deleted on Nov 28, 2019 20:40:40 GMT
Probably just be the vessels endfeed but also check any pressure reducing valves as they often fail to, sometimes them relief valves don't reseal well once activated.
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Post by endfeed on Nov 28, 2019 20:46:15 GMT
Will get new prv too👍👍👍
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Post by endfeed on Nov 28, 2019 20:47:22 GMT
Probably just be the vessels endfeed but also check any pressure reducing valves as they often fail to, sometimes them relief valves don't reseal well once activated. it's only serving one sink, 15 l 😲 |
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Post by Deleted on Nov 28, 2019 21:50:47 GMT
I like the little ariston water heaters.
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Post by endfeed on Nov 30, 2019 21:03:17 GMT
Probably just be the vessels endfeed but also check any pressure reducing valves as they often fail to, sometimes them relief valves don't reseal well once activated. good tip on the pressure reducing valve p.b,,👍 would not of thought of that👍 gonna take one down with me when my other parts arrive. |
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Post by Deleted on Nov 30, 2019 21:14:31 GMT
Probably just be the vessels endfeed but also check any pressure reducing valves as they often fail to, sometimes them relief valves don't reseal well once activated. good tip on the pressure reducing valve p.b,,👍 would not of thought of that👍 gonna take one down with me when my other parts arrive. It's not uncommon for them to fail mate, I've replaced many on unvented systems. |
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