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  1. D

    Remeha avanta plus E5

    Have a28c approx 10yrs old, vertical flue, plagued with random E5 faults. 18 months ago full service kit replacement all was good. Its now back with E5! Only thing i could find amiss was on h3 (full load) co2 8.2, adjusted back to 8.8 andas it seemed to conk out on hot water i hope thats will...
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    Ideal logic 30 low gas rate

    Ideal logic plus 30 kw, gas rated at 21 kw net on hit water. Inlet pressure 21mb at boiler, flow rate 12 lit pm, temp 40.3 degrees. Have checked, gas valve, injectir internal boiler pipework for blockages. Fga readings fine, boiler gas rate on central heating 23.5 kw net, service mode gas rate...
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    Combi boilers with built in hot/water store

    Hi , I need to quote on a replacement for an old glowworm xtrafast 96 which is a high delivery combi. I only have 470mm outside wall to mount the replacement on which rules out a vitodens 111w and a glowworm 35 which are both too wide. The vaillant 938 is only 440mm wide, can anyone recommend a...
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    Undersized gas pipework

    Hi. I was horrified to come across an installation where two 28 combis and a 15kw cooker are fed off 22mm pipework all, the way from the meter. One of the combis and the cooker are within 3 meters of the gas meter. The other is some 35 meters away and has 22mm copper to it. Needless to say there...
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    Central heating Pump size

    Hi, would anyone offer advice to the correct central heating pump size for a new boiler fit. I am looking to fit a Keston 55kw heat only boiler to replace an old Kingfisher floor standing boiler. The connections are 1 1/4 on the keston , the property is a three storey substantial place, with a...
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    Direct unvented and hard water

    Hi, I will be fitting an unvented hot water cylinder heated via immersion elements. my concern is that the customer has a borehole supply which is very hard, which will effect the life of the elements. Could anyone recommend a proven product t prevent the problem. Will a whole house inline...
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    Connecting two extra rads off wood burning rayburn

    I am GSR but have little experience of solid fuel, your patience would be appreciated. A customer has asked me to disconnect two rads from her gas fired centarl heating and connect onto her wood burning stove circuit. Currently the rayburn feeds via 28mm pipework a cylinder , cut into the...
  8. D

    Intesa tp23 overheating on hot water.

    Have been to look at the above boiler with an intermittant fault (It is an Ariston microgenus 2 badged up for city plumbing ). The boiler does not go into fault mode on central heating. On hot water especially at lower flow rates after the hot water tap is turned off, the pump runs over , after...
  9. D

    Powermax 155 replacement

    Hi, I am quoting to replace a powermax for a vaillant 428 and megaflo and it comes out a bit pricey. A combi however big will not do. Does anyone have any suggestions for an alternative system, the main criteria is plenty of hot water to multiple outlets. Your suggestions would be appreciated.
  10. D

    Rayburn Heatranger 355 sfw solid fuel wood burner

    Wondered if anybody could give me some advice. I went to look at an extension today re first fixing it and the cust tells me they are having the above quoted solid fuel rayburn. looked at the instructions no real probs. However they tell me they have in the existing part of the house a similar...
  11. D

    Ground source heat Pumps

    went today to repair some steel heating pipes in a massive old building. pipes are as rotten as a pear. Customer informed me that they are having the existing heating and rad pipework (which by the way is a one pipe system) linked up to a ground source heat pump. My understanding is that the...
  12. D

    Potterton Suprima 30 continuous red led

    Hi , any help appreciated. I went to a potterton suprima 30 today, the boiler does nothing, fan does not even run. I have power at the switch live and know that there is a demand , i do not have power from the boiler back to the pump.The pcb fuse has continuity. The boiler only has one led ...
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    Vaillant turbomax 824/2 E Flue parts

    Have been asked to move the above boiler from an eaves location to the airing cupboard, due to equivalent flue lengths it cannot be done horizontally. I am thinking the most direct route is go vertical this route will be shorter. However the boiler is 8 yrs old and i am struggling to find...
  14. D

    Saunier duval Thercondens F30 Fault code F11

    The above boiler flashes F11, electronic pressure shows 0.0 bar the boiler on the display . The system pressure (measured at a rad= 1.5 bar), the fault code has nothing to do with pressure. Anybody had similar problem and what was the outcome. Your thoughts would be appreciated.
  15. D

    Remeha Avanta Plus 28 c Fault code E2

    Went to this combi some weeks ago when displaying E 7 fault code, also bumped and banged on hot water prior to fault code. In the end I stripped down the left hand part of the manifold and removed and cleaned a basket filter on flow. The hot water was fine , no bumps or bangs. The boiler now...
  16. D

    Vaillant vuw gb242E Diverter valve

    Been to look at a no hot water call out on the above boiler(14 yrs old). The hw micro switch is operated via a lever attached to the push rod and its snapped. I believe the whole diverter has to be replaced as its not a stand alone item. Anybody changed any of these ? Looks a nightmare as its...
  17. D

    Boilermate 2000 intermittent heating and hot water

    Anybody familiar with these ? Its a thermal store, cust firstly said problems with hot water, now saying probs on both hw and htg. Think it has three pumps, plate ht ex. The heating only comes on once the store gets to temp. After checking primary ht source (pott suprima) and boiler pump, any...
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    boiler Ages

    Any body know of a web site where I can look up the production span/ ages of boilers. I only go on the Manuals library but cant seem to find when an individual boiler model first started being built and when they ceased making them. Spotted a baxi bermuda bbu in a bedroom and as i understand it...
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    ideal logic/independent c 30 inlet working pressure

    i have been reading various threads about apparant pressure loss when measured on the gas valve ( underneath the boiler nr yellow lever). I have not managed to get more than 19 mb despite oversizing the gas pipes. thought that at some time i would get banged up in prison for this. Do I...
  20. D

    Valliant Turbomax 824/ 2E Fires up for few seconds when cold water run.

    Boiler fires up for afew seconds when any cold water tap is run. This has happened since cust removed a small cloak rad. I assume the aqua sensor is picking up movement of water , can it be triggered if there is backflow/reversed flow. Boiler is 8 yrs old . Incoming pressure is 3.5 bar. Any ideas
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