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  1. J

    OSO Unvented water tank - Pressure issues

    Indeed. I understand. Thanks for the reply.
  2. J

    OSO Unvented water tank - Pressure issues

    That's a fair point and I have no issue with the way you expressed it. I found Dan's way of saying things put me in a defensive position. The trouble is the house was built in 2006 and the CH/HW work was apparently done by people with the relevant qualifications. But I have found all sorts of...
  3. J

    OSO Unvented water tank - Pressure issues

    Of course not. But what is wrong with someone bettering themselves and educating themselves? Many people wouldn't want to do your job and will happily call out a professional. And of course if I was getting a whole heating system or water system installed, I would never do it myself. But...
  4. J

    OSO Unvented water tank - Pressure issues

    Of course not all plumbers are rip-off merchants...just I have had some bad local experiences in the past few years which caused me to want to be more self educated and do more things myself. If you knew more about the type of behaviour I have experienced I think you would understand. Like I...
  5. J

    OSO Unvented water tank - Pressure issues

    I am not quite sure what your beef is here. I am a quick study and practical. I like to learn about things and do as much myself as I can. I studied very carefully before installing the EVOHOME and talked to other forum members who were keen to share and had spoken to OSO about where to install...
  6. J

    OSO Unvented water tank - Pressure issues

    Of course. I wired the tank thermostat in series with the EVOHOME one so that the high limit cut-off is still in place. There is no bomb here.
  7. J

    OSO Unvented water tank - Pressure issues

    Believe me I do know how to undo a nut! But this was the only tool I had that would open up to 50mm. I have also installed a complete EVOHOME system for both water and heating without any issue and done plenty of minor plumbing jobs like changing tap fittings etc. So I am not dim! But I just...
  8. J

    OSO Unvented water tank - Pressure issues

    I have an OSO 210l indirect series 20 water tank. In the last 6-12 months it has developed some symptoms 1) When the hot water is really hot, it affects the pressure from the cold water. This can be particularly seen if I flush a toilet, where the cold drops to practically nothing while the...
  9. J

    How to set a Pegler USV16/22 differential valve (for bypass)

    That sounds a very good way of doing it! Many thanks.
  10. J

    How to set a Pegler USV16/22 differential valve (for bypass)

    Thanks for the suggestion, I appreciate it. The reason I came to the conclusion it was not set correctly was because I could hear water gushing through the bypass loop when the heating was on.
  11. J

    How to set a Pegler USV16/22 differential valve (for bypass)

    I apologise....I was fighting the auto correction on my tablet while typing the initial post and it mangled USV into UVC! I didn't mean to confuse. It is an S-Plan set-up with 2 motorized valves.
  12. J

    How to set a Pegler USV16/22 differential valve (for bypass)

    Thanks for trying to help me out! Here are the pics of the ABV and pump data plate. The Suprima is the 60L
  13. J

    How to set a Pegler USV16/22 differential valve (for bypass)

    Hi, The house was built in 2006, and I was just reviewing the plumbing and noted the balancing valve was set completely wrongly at position 1 (it goes from 0-7). This means it is almost fully open and I have been wasting energy heating up the bypass loop all these years. I understand that...
  14. J

    Siemens REV24RF LED colour

    It is a Siemens REV24 RF thermostat that comes in two parts. The receiver (on the wall), and a moveable remote with display. The LEDs I am referring to are on the receiver on the wall. Here is a link showing one...
  15. J

    Siemens REV24RF LED colour

    I know this is going to seem a strange thing to ask. I just purchased a REV24 RF thermostat and functionally its working fine after I installed it. However, I just wanted to check what is supposed to happen with the LEDs on the receiver. There are 2 LEDs. The left one, can be red if no...
  16. J

    Dripping tundish after recharging every 3 months

    I have an OSO (Megaflo) sealed system. The problem I am having is that every 3 months, I see dripping in the tundish (only while heating the water) and I need to recharge the air gap in the cylinder. After doing so, the dripping stops completely. Then 3 months later it starts again. So...
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