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  1. D

    Which pump, pressure vessel?

    Im looking to buy a pump pressure vessel (like a garden sprayer) to pump inhibitor into radiators. I’m unsure which one to go for. Has anyone any experience of using one for this purpose and Can anyone recommend a good one please? Dan :)
  2. D

    Slow running fan effect combustion?

    Hi all. Before I begin, im talking about older ‘on/off’ fans on atmospheric burners. I am not talking about the newer variable speed fans with zero rated governors on condensing boilers. All I’m wondering is, can an on/off fan run slowly when supplied with 240vac? Would this cause higher...
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    Can you break a gas valve with LDF?

    Hi all, I serviced a boiler last week, adjusted the gas valve (a tiny little tweak) then gave a tiny little skirt of LDF on the test points. Just had to go back there and boiker only running on half. I think one of the sololoids on gas valve is not opening. Question is, thus just...
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    Boiler repair training

    Hello all. I try to take myself off a training course at least once a year. My main area of work is boiler/heating repair and servicing. I’ve done a few of the Baxi boiler repair and multi meter courses. I’ve also done courses on various Worcester boilers and Glow-Worm boilers. I wondered if...
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    Which order to connect my returns?

    Hello everybody. I am just about to install an unvented cylinder. 2 heating zones, one hot water zone. It's an S-Plan system, with an auto bypass. I remember reading about a rule of thumb when connecting my returns back to the boiler, but can't quite remember exactly what it was talking about...
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    Problem with Baxi 105he

    Hello all. I’ve got a problem with 105he driving me mad. When you switch boiler on and set heating demand the pump starts for 1-2 seconds then clicks out, then starts again, then clicks out again, then starts again, over and over again. I’ve done whole lot of electrical tests. I phoned...
  7. D

    15mm rising main to 4 apartments?

    Hi I’m currently working on a 3 story house that’s being converted into 4 flats. I installing 40kw boiler, 15 rads, 4 Heating zones plus a hot water zone. Etc etc Each flat has a kitchen sink, toilet, basin and electric shower. Problem is, I’ve got a 15mm rising main. ‭Im hoping it’ll just...
  8. D

    CO results for inset fire

    Our CO alarms went off the other day. I did all the tests in manafacters instructions plus a few more to ensure fire is safe to use. I conducted a combustion gas analysis and it threw up a surprising result. CO2 6.0 Co 350 Ratio 0.0065 Now I would not usually feel happy about leaving this...
  9. D

    Which portable pump to buy?

    Hello all. I'm aheating engineer and as such need to drain cylinders and cisterns on a fairly regular basis. As most of you will know it can be a nightmare, especially when drain-offs are knackered, if they were ever fitted at all. Ground floor cylinders and back boilers can also be...
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    Bending 18mm shower pipe

    Hello everybody. I've had to install a shower in a bathroom where the roof encroaches into the room. This means I'm higher limited. I thought I'd try my luck as there were quite a lot of variables but I've come up unfortunate. Now, obviously being a plumber I've got a pipe bender that does...
  11. D

    Puzzled by a breakdown- Alpha CD35C

    Hello all. i was called out to an Alpha CD35C. Boiler was completely dead when I arrived. The job sheet said 'boiler not resetting' The 2 Amp fast blow fuse had gone, I replaced the fuse. The boiler ran however the PCB was actually smoking! I made some other checks and observations then...
  12. D

    Lumbered with a combi pump!

    Hello all. ok so I've messed up. Got called to repair a Vaillant EcoMax 613/2E. After careful electrical analysis, looking at the manual and a fair bit of common sense. I decided to replace the pump. the pump cost me £130.00! Anyway I fitted it for all of 5mins and guess what, the fault...
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    Expansion in towel rail with element

    Hello all. ive recently been asked to fit a towel rail with an electric element. im wondering about the expansion issue. The he way I see it you can either leave an air gap at top of rad. or you can leave return valve open so water expands into heating system. problem I've got with these...
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    Which mains water filter?

    Hello everybody. I've been asked to fit a mains water filter, God knows why when we live in one the best quality water areas in the country but ours is not to reason why. can anyone suggest a mains water filter that can be fitted under the kitchen sink without too much bother. I would ideally...
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    Wiring a replacement Worcester RI

    Hello all. Im hoping for some help with wiring a Worcester RI heat only boiler please. I need to replace an Ideal FF250 P boiler with the worcester. only thing is I only have live neutral earth in 3 core sticking out of the wall in utility room. the rest of controls are upstairs in airing...
  16. D

    Gaining contract work

    Hello all. I'm a plumber and gas engineer. I pick up work on a day to day basis. However I'm looking to pick up more contract work. I'd like to do more servicing, landlord certs as well as insurance work and guarantee work. The problem I've got is that I have very little idea of how to gain...
  17. D

    Finding contract work

    Hello all. I'm a plumber and gas engineer. I pick up work on a day to day basis. However I'm looking to pick up more contract work. I'd like to do more servicing, landlord certs as well as insurance work and guarantee work. The problem I've got is that I have very little idea of how to...
  18. D

    Running gas pipe above a suspended ceiling

    Hello all. I've been asked to run a gas pipe on the under side of joists above a suspended ceiling in a domestic dwelling I havn't come across this exact problem before so am not 100% on it. I suppose I have 2 main questions: 1. What the best way of supporting the pipe? 2...
  19. D

    GC Number or manual for Glow-Worm C 35kw......The one from city plumbing????

    Hello. Can anyone help me out with the GC Number or manual for Glow-Worm Ultimate C 35kw......The one from city plumbing please???? Thanks a lot....Dan
  20. D

    No manual- What do I do?

    Hi I have recently qualified as a gas engineer. I am wondering what the best thing to do is when you go to service an appliance and the manual is not at the property. I have tried looking them up on the internet, thats ok but relies on having a desent connection on my Iphone. I...

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