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  1. pufferfish91

    Smart Thermostat Install - Worcester Highflow 440

    We have recently moved into a property which has a Worcester Greenstar Highflow 440 Standalone Combi gas boiler. This appears to be a relatively old unit however, it is still in great working condition and has been serviced on a regular basis. I'd like to add a Nest Thermostat to control the...
  2. pufferfish91

    Unvented Cylinder Gushing Water from Relief Valve?

    Hi folks, I hope someone can help me. This morning we noticed water leaking under the hot water cylinder in hotpress room. On closer inspection, the water was just gushing on to the floor and it was only by chance we noticed it. We turned off the heating system and spent the morning emptying...
  3. pufferfish91

    Mallusk, Northern Ireland - Leak in pressurised system soon after oil boiler install

    I recently got an external condensed boiler installed that was about a year old. No more than a few weeks after, my system is losing pressure. It is now losing about 1 bat every 12 hours or so and seems to be getting worse. I've been all round the house including crawling through the attic, but...
    • pufferfish91
    • Thread
    • boiler install leak oil boiler system
    • Replies: 0
    • Forum: Boilers
  4. pufferfish91

    Help - System losing pressure after oil boiler was replaced

    Hi folks, About a month ago, I replaced my oil boiler/burner with a used one that is about a year old. All seemed to be well after it was replaced however, within a week or two, the whole system has started losing pressure - approximately 0.2 bar every 2-3 hours. It seemed to happen a week or...
    • pufferfish91
    • Thread
    • boiler oil boiler pressure system
    • Replies: 50
    • Forum: Boilers
  5. pufferfish91

    Hot Water Pressure Only on Kitchen Tap Poor

    Hey folks, I had my heating system installed about 6 months ago. It is an unvented, pressurised system and the water pressure on all taps throughout the house is great; hot and cold. The only exception is the kitchen hot water tap and I have no idea why. The utility room hot tap which is right...
  6. pufferfish91

    Honeywell Valve Not Working

    Hey folks, I have a Nest thermostat which I would like to use the hot water function. The problem I am having is that when I select hot water, the Honeywell valve won't open. It has never actually worked since the system was installed about 6 months ago. I just left the valve open, but now we...
  7. pufferfish91

    No Hot Water after Heating Switch-on

    Hi folks, New to the forum and a total noob. Please be patient :-). We're in the process of moving into a newly renovated house. One of the renovation jobs was the heating system. We've had an unvented Warmflow pressurised system installed along with new radiators. We've been without heat or...
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