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    Indirect cylinder used solely as an immersion heater

    Hi went out to do a cylinder swap to exchange an indirect cylinder that was leaking from the body, more or less a straight swap, slight pipework mods. On questioning customer, I found the guy had no boiler or heat source for the indirect coil, he had storage heaters for his heating, and the...
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    replacing an immersion heater

    Hi I am due to change an indirect cylinder soon as it is leaking from one of the seams. Have ordered a new cylinder, I have done several boiler swaps but never a cylinder swap. Just have a few questions. 1) are all immersion heater bosses the same size thread? and if so could I re-use the old...
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    room heaters/ coal fires

    can anybody install coal/solid fuel appliances or do you have to have industry registration regards
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    Can anybody install a coal-fired roomheater?

    Hi can anybody install/commission/remove a coal fired roomheater or a coal burning appliance or do you have to have HETAS registration or something? I am gas safe registered but its a different kettle of fish solid fuel isnt it? regards
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    Boilers in kitchen cupboards

    It is becoming more common now for boilers to be located in kitchen cupboards. I just wanted to know a few details about what you need to allow for when installing a boiler in a kitchen wall unit. 1) Does the cupboard have to be fitted first and the boiler then placed in or can you fit the...
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    Best controls for a combi?

    What are the best controls to use in peoples opinions when fitting a new combi? time clock and room stat? programmable room stat? I know you can have 24 hour, 5-day/2-day, 7-day etc, and its down to what the customer wants and can easily use, just wanted a general opinion also when...
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    types of back boilers

    hi all this probably sounds stupid to alot of you guys but i have not really worked on back boilers at all. I have seen one type where you can see the burner tray from underneath the fire and it operates seperately from the fire, it just sits behind it, and has controls underneath accessible to...
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    Replacing 3-Way valve and motor on Ariston microgenus 27 MFFI

    I have just ordered a replacement 3-way valve for the above boiler, the part is hown below, ordered new motor too. However, it has not came with any washers/gaskets. I would have thought that when you sent a part you sent the gaskets too. Like sending a rad valve with no olives. Do I have to buy...
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    filling up a Back Boiler system

    I am due to go and replace a pump on a back boiler system tomorrow, all the rads are cold, when coal fire is on, rads are full, cold feed not blocked, the pump is spinning but not very strongly at all, you can stop it rotating with the tiniest bit of pressure from a screwdriver, and it looks...
    • TerryWaite
    • Thread
    • back boiler boiler filling system
    • Replies: 22
    • Forum: Boilers
  10. T

    Mixer shower will not turn off! Water keeps on running no matter what setting!

    Hi I am having a problem with a Mira 415 mixer shower, it will turn on and gets hot (well fairly) but will not turn off at all. I have worked on one of these before and had a problem that it wasnt mixing properly, I stripped it down, re-assembled it, and got it mixing properly and turning off...
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    Microgenius 23 MFFI Fault

    I have a customer with a complaint on a microgenius 23MFFI, the hot water takes ages to come through, and when the hot water is on, the radiators heat up. Is it the diverter valve? And if so is it a new diaphragm or a complete unit? And how difficult is it? Done a few breakdowns but done done a...
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    Crak in Bath - Can it be repaired?

    as the title says, can you repair a crack in an acrylic bath? The bath in question is cracked an inch or so up from the bottom of the tub, at the end where your feet would go. It caused a little bit of damage, bit of water came thru customers ceiling, but not too bad. The customer temporarily...
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    Replacing Seals

    Hi, was just wondering what seals I need to buy to service a Worcester R35 HE Plus Combi. In the MI's it states the seal on the clean out cover should be replaced, and the seal on the burner should be inspected and replaced if neccessary, is it good practice to just replace this anyway? Thanks
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    Cloudy Hot Water Coming From Tap

    Came across a strange one today, discoloured (cloudy white) water coming from hot tap continuously. It is a Worcester Highflow 440 CDi floor standing combi boiler, the mains cold water to all outlets is clear and fine. The boiler has been recently fitted I understand, but has been running this...
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    No hot water to power shower

    Wonder if anybody can help me diagnose a fault on a power shower fed from a pump. Pump is coming on but shower is running cold. Basically, the arrangement is this:- Thermostatic mixer shower on ground floor of bungalow. Fed from a grundfos watermill twin impeller pump in the loft. Cold water...
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    Worcester 400 Highflow Overheat Tripping Intermittently

    I have a customer with the above boiler, big floor standing thing which trips out quite often when there is both hot water demand and heating demand. If just one of these is selected the boiler works fine every time. Anyone worked on this model? Any sugestions? Many Thanks John
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    Baxi Solo Pilot Light dropping out

    Hi Just been called to a baxi solo WM 40 4 RS the pilot light has gone out and on trying to re-establish the pilot light the pilot ignites, but then when you let go of the control knob after 10-20 secs. the pilot flame drops out. I am gas safe registered and competent at installations but not...
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    boiler and cylinder to combi conversion

    hi, when doing a boiler and cylinder to combi conversion, do you have to re-pipe all hot water outlets from the boiler or just remove some of the 22mm as much as is reasonably practicable? Also, if the customer has a thermostatic mixer shower fed off tank and cylinder, if you put mains pressure...
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    Honeywell 3 Port Valve Faulty

    I have a faulty 3 port valve on a y plan when there is a demand for hot water the boiler fires, when there is a demand for heating, nothing, i am fairly certain its the 3 port valve, how do you test whether its the motor which has gone, the switch inside it or the spindle has seized? i.e how do...
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    Undersized gas pipes- Already well covered on here I know

    would like to know what you would classify a boiler reading 17-18mb inlet working pressure with the cooker running. And is undergassing as dangerous as overgassing, obviously if an appliance is overgassed incomplete combustion could occur and thus CO, but if an appliance is undergassed surely it...
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