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  1. M

    High gas rate on SIME Format HE. Possible cause?

    Anyone familiar with servicing SIME Format 30HE? I had to shut down a boiler today as it was using far too much gas and I was unable to identify the fault. The CO readings were totally fine but the gas rate was coming in at around 38kW. Has anyone come across this before or have any idea what...
  2. M

    Flow high or flow low?

    Hello I have a new double panel tall column radiator to fit = 325 wide x 1500 high. Looked inside both the header and footer tubes and no sign of baffle plates. What is the best configuration for flow and return? 1. Flow and return opposite sides low down 2. Flow low down return opposite...
  3. P

    Hot water high pressure problem

    Hi. I have a hot water high pressure problem that my heating engineer (and other engineers that he has spoken to) cannot fix. I’m hoping someone on the forum can explain what is happening and how to resolve it. My hot water system uses an air bubble at the top of the hot water tank for...
    • Patrick Walpole
    • Thread
    • high hot water pressure water
    • Replies: 4
    • Forum: UK Plumbers Forums
  4. M

    Water Bill too high! - Is my water meter broken?

    Hi All, I've recently submitted a meter reading to Thames Water and received a bill of 223 pounds! For the period between 25 May 2022 – 10 October 2022, saying my daily usage is of 1.61 pounds. I find this very hard to believe as we are a house of two people and are quite conscious of water...
  5. M

    High Flow Double Check Valves

    Hi all, I’ve a customer with a failed double check valve on a water softener, it’s 22mm compression but with a far larger bore than the usual DCV’s you see online. Anyone know if they are called something different or where I can get one? I’ve even been on the water softener website and they...
  6. 5

    Ideal Vogue 26 KW combo high co reading

    HI all, finished fitting the above boiler yesterday. Straight swap, side access flue with only the elbow off the boiler. Gas pressure 21mbars on full chaff. (right by the supply) when doing the co checked, minimum was as expected- 3ppm, .0.0000, and about 7,8% Max on the other hand was 240ppm...
  7. M

    High PPM on low rate when servicing Vokera Unica i28

    I was wondering if anyone can help with this. On servicing a two year old Vokera Unica i28 I carried out combustion analysis checks. The high readings were fine but when I checked on low I was only getting 6% CO2. When I slowly started to adjust the valve I couldn’t get the Co2 anywhere near...
  8. J

    Grohe Shower runs cold from very high temp start

    Hi, Grohe shower Grotherm 1000 smart starts very high temp, then runs cold (28C) in 2 mins Changed thermostatic cartridge for a new one Exactly the same problem? Inlet temp 54 C Inlet pressure Hot 3.5 Bar Inlet pressure Cold 3.5 Bar Any advice appreciated Jason
  9. R

    Megaflow pressure high. Leaking from overflow pipe when water heating

    Hi folks. I've noticed recently that water is dripping from my Megaflow overflow pipe outside coinciding with the time the heating turns on to heat the water. Whilst the water is dripping, the pressure on the Megaflow is reading around 8 bar. Dripping from overflow stops and the pressure...
  10. M

    Improvised high level flush pipe.

    Hi all. I need to improvise a flush pipe some how. Anyone managed to do this with waste pipe at all. Basically the cistern is on the back of a 2 inch stud wall of where the toilet will go. The pipe cannot go straight down due to a washing machine needing to fit into the space below the...
  11. G

    Water filtration system in high rise apartment?

    We live in a high rise on the 18th floor. I want to have a under the sink water filter installed. Waterdrop 10UA Under Sink Water Filter System, NSF/ANSI 42 Certified, Under Counter Water Filter Direct Connect to Kitchen Faucet, 8K Gallons High Chlorine Reduction Capacity, USA Tech...
  12. Orchid_2022

    High Pressure Commercial Toilet

    I am looking for suggestions /advice on getting a commercial high pressure toilets that does the job in one flush. Does anyone have any toilets they can recommend?
    • Orchid_2022
    • Thread
    • commercial high pressure toilet
    • Replies: 1
    • Forum: Boilers
  13. S

    Custom Flush Pipe High Level Cistern

    Hello, I’m trying to replace an antique high level cistern with a more modern ceramic one. The flush pipe is routed in a very specific way so the new one will probably need to be bespoke. Does anyone have any experience, or at least seen, bespoke flush pipes? I was hoping they could be made...
  14. Scott_D

    Dog wash with low and high pressure

    Any suggestions for a simple dog wash? Needs to be a safe temp so blender or tmv. The cold is mains and hot is low pressure.
  15. G

    Waste pipe too high to fit toilet unit.

    I am in the process of replacing my wc and sink from close coupled/ free standing with built in sink and wc . The old toilet waste fed into an internal stack pipe - out the back of the wc thro 90 degree coupler into a large waste pipe approx 30"which connected to stack pipe running in a box in...
    • Graham Hart
    • Thread
    • high pipe toilet waste waste pipe
    • Replies: 12
    • Forum: Boilers
  16. R

    TRV problems high pitch squealing

    Good evening - I wonder if anyone can shed some light on this. Squealing high pitch TRV's when reaching the required shut-off temp. I understand its probably the pressure in the system making the pin in the TRV vibrate. Or pump turned up too high - which I guess would cause the same effect of...
  17. Kerberos

    How high should a concealed cistern be?

    Hello, Getting some work done in my downstairs WC and my installer and given me a list of products to buy with some recommendations. We are replacing the exposed cistern toilet with a hidden one. It will be a back to wall, floor standing pan with a shelf above it to put stuff on. I've been...
  18. R

    Normal unvented indirect tank or high gain unvented indirect tank

    Hi, Trying to decide which cylinder to go for? I am renovating my house which will end up having four bathrooms and a wc. I am planning to go for a 300l unvented indirect cylinder as currently I have a vented cylinder with a cold water tank in the loft and face issues with hot water pressure...
  19. I

    Commercial high pressure system, will hep couplings be stong enought?

    I am having to work on a concealed shower but there is no service valve and so I am having to isolate from a large mixing valve which is linked to several other showers. I am going to add a service valve to make it easier for future maintenance but the pipe connected to the shower is 15mm...
  20. B

    pressure very high. all radiators on even when trvs closed.

    hi all some advice combi boiler is heating water and heating comes on fine. its an ecotec plus - vaillant Issue - Pressure is way to high, sits at 3.3 and goes right up to 3.7 when on. im worried something bad will happen soon. im not sure when it started, but been like this for a month or...
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