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pressure

Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws

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  1. David0671

    Megaflow low pressure

    Hello I have a megaflow system that is 7 years old I'm getting low water pressure to 1of the upstairs toilet taps every other tap is fine, this occurred after I represurised the air gap something I have done on numerous occasions. Any advice would be appreciated as I have has a plumber/...
  2. M

    Boiler Inlet Pressure

    Hello all! First post on here. I'm newly qualified - could anyone tell me if there is an absolute minimum acceptable gas inlet pressure at the boiler? I understand refer to MIs, make sure it's safe and not affecting any other appliances, but if it's below manufacturers recommendation, correct at...
  3. M

    Non uniform pressure loss in Greenstar 30i

    Dear All, I hope you might be able to point me in the right direction with an issue I have with a 3 year old Greenstar 30i boiler, last serviced in Oct ‘22, with new pipe work all around the house at time of boiler install. We have separate circuits upstairs and down and a water cylinder. At...
  4. S

    Boiler pressure keeps dropping

    Hi Guys I have a combi boiler. I havent used it for over a year. However when I came back to the property I had to pour boiling water over the condensor pipe outside as it was frozen as I was unable to get the rads on. Which worked. So it heats up etc, no issues whatso ever. ( I am not using...
  5. B

    Low water pressure after DIY work

    I replaced some plastic pipes and fittings on my mains inlet under the sink with copper today. First time ever attempting plumbing, but it seems ok with no leaks. At first it was all hunky dory, but I later noticed my water pressure had gone down. I’ve attached a pic. The section from the check...
  6. J

    HELP need to up boiler pressure!

    hi thanks for coming. I really need to know if this red tap and pipe is to up the pressure on my boiler as its getting low. Ive lived in my house 3 years and never done it. Please help!
  7. K

    Heating loses all pressure over 20 minutes

    Hi, we have an oil central heating system with a Worcester boiler. Our radiators were not getting very hot today and on checking the pressure gauge, it was on 0. I topped it up to 1.5 bar and over about 20 minutes it again went down to 0. Ive topped it up several times but it just keeps...
  8. C

    Boiler noise/pressure loss

    I found this forum on google as I need advice. Before I start, I know nothing about plumbing or central heating systems other than what I’ve read online. I’ll explain, basically we rent, sane place for 8 years and for quite a number of those years we’ve had to top up the boiler pressure way more...
  9. 0Duke0

    Boiler loses pressure after TRV replacement

    Hi, the other day I had a plumber over to fit a new TRV to a radiator on the ground floor. During the process I noticed the pipe connecting the valve to the piping under the floorboards was not properly clamped and was turning first counter and then clockwise. When the valve was fitted the pipe...
  10. M

    Recommended pressure bar to re pressurise system?

    Hi, I have a new boiler Ideal "Heat only" 24kw with a new Indirect unvented hot water cylinder and two expansion tanks. The plumber who fitted the system a few months ago told me how to re pressurise the system by opening two valve taps to introduce mains fed cold water to the system and...
  11. V

    Loosing pressure but no air in rads

    Hi..so the Baxi combi at my folks' house has lost pressure twice over a period of a couple of weeks since they started using the central heating this winter....but each time it's happened there's no air build up to be bled from any of the radiators. Am I right in thinking that the pressure drop...
  12. M

    Repeated complete pressure loss

    Can it be anything other than a leak? The reason I ask is that I have had 4 plumbers/heating engineers out over the past 3 months and none are able to figure this out. System boiler powering a mixture of radiators and UFH. No detectable leaks by the rads, by the manifolds or really anywhere in...
  13. A

    Ideal Combi Logic+ C24 Losing pressure

    Hello guys! I had an Ideal Combi Logic+ C24 fitted in August 2021 in my mid terraced house and I started noticing that it was losing pressure during winter 2021. I had the first engineer sent by Ideal in March 2022 when the pressure was going down very fast, I could see the gauge going down...
  14. U

    Boiler Pressure dropping.

    Hi everyone.! I have a Betacom 2 24 Boiler ( 10 years old) and have been having issues with the pressure dropping. So far, I have had 2 Engineers visit, resulting in fitting a new Pressure Release Valve and a new Expansion Vessel. Both to no avail so far. The pressure tends to drop down to...
  15. J

    Vailant ecotec pro 28 pressure

    Hello. I’ve lived in the property for 4 years and anytime the pressure got low (0.8 bar) I would use the fill taps to release more water into the system. Ever since British Gas did their annual boiler check about 3 months ago, I’ve had to do this too up method more and more. My pressure is now...
  16. P

    Vented hot tank pressure problem

    I’m fitting a vented copper hot tank heated from a Stanly Range in a mobile home Due to height restrictions I cannot site a header tank. But can vent to outside. Is it possible to use a pressure reduction valve and connect to the mains gir water supply
  17. J

    Pressure Pump strain on incoming line?

    Does a pressure pump system add additional strain to the line coming from the city water meter to my house? 200' run
  18. C

    Old(ish) Grundfos proportional pressure control circulator

    I'm trying to set up a Honeywell DU145 ABV with an ALPHA 15-60 130 (Model number 59526443) and work out the speed setting. The pump has one variable dial (no C1/2/3 ect). Grundfos support have no info on the pump as its from circa 2001, so unable to help. Its running 5 rads in a small 2 bed...
  19. K

    Worcester boiler losing pressure only after boiler had been on

    My Worcester boiler is losing pressure. It only happens after the boiler has been on and it loses approx 0.5 bar each time. The expansion vessel was replaced last year and no improvement, I have checked the rads, no issues, also no obvious water patches on walls ceilings etc. I have also used...
  20. G

    Installing decent pressure shower on a gravity fed system

    We currently have an electric shower fed with mains cold this mains cold is really bad pressure coming into the shower resulting in really poor pressure from electric shower. We have a gravity fed system what's the best and cheapest way to get a decent pressured shower fed from our gravity fed...

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