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Recent content by nutty_jah

  1. N

    biasi m9628sm

    Had one very similar last year, did all of what gas man has suggested. Boiler still only working when casing cracked open. Went through technical who suggested hard resetting the PCB and setting up again with correct according to rating of boiler. Worked miraculously first time. No issues since.
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    Flow switch not activating Baxi Combi 80Eco

    Thanks Gas Man, as you said. It was the blocked up hole under the diaphragm. The existing one was fine, although changed anyway.
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    Flow switch not activating Baxi Combi 80Eco

    Thanks for the replies everyone, haven't been back yet. Job not authorized by agents yet!
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    Flow switch not activating Baxi Combi 80Eco

    Thanks guys, im back there on Monday so will check dhex and diaghpram. @jtsplumbing. Yes it's a hard water area. Now re dhex and split diaghpram. Dhex isn't in play is it if CH is called for. Unless div is stuck and trying to push through dhex. And the diaghpram, suppose could be a...
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    Flow switch not activating Baxi Combi 80Eco

    Wonder if I could have some pointers with this boiler. Flow switch is not being pushed out, with pump running. Pump rotation is strong (checked through the bleed screw), also taken out to check impeller which is securely attached. When switch manually activated boiler kettles. When flow...
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    Potterton Performa 24 eco he, sluggish dhw spindle

    Thanks again to gas man for venturi part number. Dhw diff pin was seized on the rear exit. Which I should have bloomin cleaned and greased when doing the diaphragm. Thanks all.
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    Potterton Performa 24 eco he, sluggish dhw spindle

    Fantastic, thanks gas man. That's the part, I found the cross end bit and spring by return port at plate HEX. Local merchants told me it only came as part of the whole block! I'm just hoping that changing this will sort out the slow movement of dhw pressure diff valve?
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    Vaillant turbomax 837E Luke warm water not dhex

    Hi guys, just to bring this to a close. It was the flow sensor turbine, where the impeller had sheared off the spindle! You live and learn.
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    Potterton Performa 24 eco he, sluggish dhw spindle

    Hi guys, I have been working on this potterton today, dhw pin was sluggish and diverter was passing through to CH on DHW demand. Changed diaghpram on DHW, and three was diverter block. Whilst off, also decided to put some chemicals through the plate HEX. Where I found broken bits of flow...
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    Vaillant turbomax 837E Luke warm water not dhex

    Thanks guys. I'm back there on Monday, I'll check thermistor and bypass. Have a great weekend.
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    Vaillant turbomax 837E Luke warm water not dhex

    Hi harrygashull, Checked diverter, not passing. Didn't check thermistor, but Burner flame went high to low with temp control setting.
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    Vaillant turbomax 837E Luke warm water not dhex

    Bit more info. Before dhex change, Dom water was cycle Luke warm / cold. After new dhex, now constant Luke warm. Pump is working, circulating CH three floors up without issue. I think phex is not performing, now that dhex is passing through fine. Phex can't keep up with flow of water...
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    Vaillant turbomax 837E Luke warm water not dhex

    Thanks Croppie. Bloomin Tapatalk, I thought it had posted on the private.
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    Vaillant turbomax 837E Luke warm water not dhex

    Help me please guys. Diagnosed this boiler as blocked dhex, changed but still same problem. Water runs like warm, boiler Temp shows 45 even though control on Max. When demand is turned off, it jumps to 70 before pump switches off. Tried reducing cold water pressure onto boiler, still...
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    E133 on Main Combi 25 Eco

    Thanks spanner. Merry Christmas to you too, and a very prosperous New Year.
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