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pressure

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  1. T

    Hot water flow/pressure

    I recently had an eco tec plus 836 combi installed as part of an oil to gas conversion. One thing I can’t work out is why the bathroom sink hot water flow is 12-13L per minute with at 44c and even hotter. However the nearby bath freestanding tap is 8-9L per minute at this temp. Both taps...
  2. D

    Boiler pressure dropping to zero when heating turns off.

    Good afternoon, I am experiencing a pressure issue with my heating system and was hoping to receive additional insight as to what the problem could be. We have a biomass boiler and stratification tank set up and recently had an issue with boiler pressure dropping off when the system was cold...
    • dovberry
    • Thread
    • boiler heating pressure
    • Replies: 9
    • Forum: Boilers
  3. C

    Best place to source low pressure bath filler taps

    I'm having a nightmare trying to find matt black wall or deck mounted bath mixer taps with 3/4 fitting that work on 0.2 bar. From tank to tap, I have around 2.4 metres, so a pressure of a little over 0.2 bar. The flow measured from the tap currently fitted is 11 litres per minute. Pretty much...
  4. E

    gravity fed upstairs shower pressure question

    We have a gravity fed hot water system in our the house we have just recently moved into. It works fine with the downstairs shower, however we are about to upgrade the upstairs bathroom and are considering installing a shower bath. My concern is that although there is more than sufficient...
  5. M

    Gas pressure drop with flow to a larger pipe from a smaller one?

    Hi, Non-professional / knowledgeable person here. I'm a Brit in Romania who volunteers for a charity building an old peoples home for needy old people. Out here competence and integrity is harder to come by in a worker, in fact it's hard to find workers at all where we are in the countryside...
  6. L

    Worcester Bosch Heatslave Boiler pressure issue... any thoughts...?

    Greetings. I have an external Worcester Bosch Heatslave boiler and have a question about pressure. The boiler pressure was set to 1.5 during a recent visit by a plumber (as it seemed to have dropped and was hovering between the green and red zone) . A few days later I turned the thermostat down...
    • Liv Liv
    • Thread
    • boiler bosch pressure worcester worcester bosch
    • Replies: 4
    • Forum: Boilers
  7. surfsup

    Outside tap lost pressure since cold snap

    My outside tap has had really low pressure after the cold weather a few weeks ago. Its connected from under the kitchen sink, and can be isolated from turning a flat head screw type thing a quarter turn. Any help or advice would be much appreciated!
  8. G

    Problems with shower pressure

    I have just had a boiler, hot water tank and power shower pump replaced on advice by my plumber. I have two separate boilers, heat/hotwater systems in the house. This boiler was replaced by a combi boiler as it only heats the lounge and master bed and provides hot water to en-suite bathroom and...
  9. L

    Worcester Bosch Heatslave Boiler pressure issue...

    Greetings. I have an external Worcester Bosch Heatslave boiler and have a question about pressure. The boiler pressure was set to 1.5 during a recent visit by a plumber (as it seemed to have dropped and was hovering between the green and red zone) . A few days later I turned the thermostat down...
    • Liv Liv
    • Thread
    • boiler bosch pressure worcester worcester bosch
    • Replies: 4
    • Forum: Boilers
  10. D

    BOSS PRESSURE GAUGE.

    Can't check pressure on Boss pressure valve (big round red thing) because there is no gauge attached. Thanks
  11. S

    Low water pressure pumps not working

    Pumps and low pressure I moved the bathroom to the back the house (next room) upstairs. I put in two pumps because low pressure water area. One for shower and one for bath. They both work intermittently and I often need to get them started with a magnet! They were new pumps. In the shower the...
  12. D

    Why does water pressure gradulally rise Valliant Ecotec 38

    Hi all, My pressure is stable at 1.5 when the boiler is off, but if I switch it on, the pressure rises as expected, but once switched off it will only drop back down to 1.6. This happens exach time the heating is switched on so eventually it gradually rises to above 2 bar and I have to drain...
  13. S

    Where is the hidden central heating pipe leak causing low pressure?

    I have been facing central heating low pressure on unvented hot water RM Cylinders but can't see any leak on the PRV, expansion vessels and plasterboard celling. I have got unvented pressurized RM Cylinders hot water system with 27KW Worchester gas boiler with expansion vessels . When...
  14. angy101

    Water Pressure Shower

    Hi I moved into a property where the pressure is slightly low and they have this super duper shower but pressure is somewhat lacking. I have had water company out and they did do a check and they found the flow rate reduced but they mentioned about the inside stopcock/tap should be changed just...
  15. T

    Vaillant eco plus 837 System loosing pressure.

    I have a Vaillant eco plus 837, year installed 2008. It works well. We have one large zone for the house with 13 rads running off it. We also have an UFH zone in the kitchen. Near the boiler I have 2 port valves which control this part of the system. The boiler has been loosing pressure...
  16. M

    Baxi boiler pressure drops after heating

    Hi, we have a back combi heater. Whenever the heating comes on it seems to lose pressure within a few hours and I have to refill each morning. The boiler seems to function well, and the pressure only drops with the heating and not the water being on. Ie it started last winter and was then...
    • Martin Pearce
    • Thread
    • baxi boiler heating pressure
    • Replies: 1
    • Forum: Boilers
  17. U

    Very handy flow rate/pressure/bore diameter calculator

    I was looking into a problem with flow rate in my bathroom. A bit confused with how flow rate, water pressure, pipe length, and difference in height all interact. I found this very useful online calculator to assist. Do a google for "flow-rate-calculator" at copely dot com. It is a free...
  18. hkgccf

    Boiler pressure problem - Baxi EcoBlue

    the pressure of my boiler looks unstable After i re-pressurize to 1.5 bar, using tap is ok without problem. but when turn on the central heating, the pressure rises over 2 and the error code 117 showing water pressure high After i did the bleeding and re-pressurize to 1.3 bar, the heating is...
    • hkgccf
    • Thread
    • baxi boiler pressure
    • Replies: 0
    • Forum: Boilers
  19. M

    Boiler pressure is rising? Did indirect hot water tank coil fail?

    First post as I can not figure this one out. I have a hot water boiler heating system, gas fired, with an HTP SuperStor indirect hot water tank. I'm on well water and have a water softener and two whole house filters for my water. Three days ago I found my high pressure relief valve tripped...
    • mikeshums
    • Thread
    • boiler hot water pressure tank water water tank
    • Replies: 2
    • Forum: Boilers
  20. S

    Valliant EcoTech High Pressure

    Hello. I am a homeowner and have a Valliant EcoTech 835 (2017). Serviced every year and worked like a treat until about a few months ago when I notified the pressure reading was too high (> 3 bar). My plumber came and did a regular service and told me the boiler is in tip top condition. The...
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