Get a quote

Good Price Natural Gas Hot Water Boilers

  • HELP - ive added too much pressure to my boiler

    Apr 05, 2009 · 5 April 2009 at 2:28PM edited 30 November -1 at 1:00AM in In My Home (includes DIY) MoneySaving. I noticed that the pressure in my boiler had dropped, so i added more. Problem is, i didnt realise that it added the pressure, then the needle moved, so i put far too much in, and it went to the 3 bar, when it should be between 1 and 2.Learn More

  • Hot water boiler pressure always too high - DoItYourself

    Oct 16, 2010 · The temp is set at 190, and the pressure creeps up to near 30 psi. Actually, I had the fill valve (which is ahead of the pressure reducing valve) closed all summer, and the boiler was off since I have a separate hot water heater.Learn More

  • Navien ch-240. Too much pressure. — Heating Help: The Wall

    I believe the CH-240 has a make up water valve built in to the unit and controls its own pressure from there. If your water make up, is piped external of the unit in a more traditional boiler set up I would say bad expansion tank. I would also look into a cracked heat exchanger where your boiler water and domestic hot water are now mixing together.Learn More

  • Combi boiler losing pressure ?? — MoneySavingExpert Forum

    Oct 09, 2008 · If your pressure gauge has reached 3 bar then the pressure release valve (prv) could have been activated and discharged water out of the system. Check for the pipe where the water is discharged out too - its usual outside the building near the vent for the boiler.Learn More

  • Minimum Water Pressure for Combi Boiler | Screwfix

    Mar 11, 2019 · You can have a 15mm pipe at 5 bar of standing pressure test only have 10 litres a minute flow rate. Yet a 28mm pipe can have the same pressure 5 bar and deliver much larger volumes.30 litres or mor a minute. Larger the pipe with same pressure delivers more. 1 bar is not enough to run a combi because you really need at least 1 bar continually at Learn More

  • How much PSI for my boiler? | Terry Love Plumbing Advice

    Jan 05, 2021 · The pressure should be set to what is required in total height of system. For example, if a boiler is in the basement, and its a 2 story house with baseboard radiation on the second floor, it could be 8' + 9' + 1' = 18' (boiler to upper baseboard). 1 PSI / 2.31 = 0.4329. 18' x 0.4329 = 7.7922 minimum PSI required cold temp.Learn More

  • Boiler has too much pressure — Heating Help: The Wall

    Boiler has too much pressure. A have a boiler that is building around 25 psi of pressure and spitting out a little bit of water from the pressure relief valve. The backflow preventer is installed and also the pressure reducing valve (set at 12 psi). The tank (air scoop) has/is known to have the correct pressure (12 psi) and to have no leaks.Learn More

  • Pressure too high on Peerless boiler -

    Dec 13, 2006 · Boilers - Home Heating Steam and Hot Water Systems - Pressure too high on Peerless boiler - When the boiler temp. gets to 160 the pressure is too high and water comes out of the pipe. I have changed Pressure too high on Peerless boiler - Community ForumsLearn More

  • Boiler water pressure too high | Terry Love Plumbing

    Feb 15, 2011 · Most boilers have a low-pressure cutout switchit must be above that or the boiler won't fire (risks flashing into steam), and they also have a T&P valve that will open if the pressure or temp gets too high. On a boiler, that pressure could be as low as 30-pounds, or it could be higher, depending on the design and use.Learn More

  • Ravenheat Combi Boiler Too Much Pressure | Screwfix

    Feb 05, 2011 · Hello I have an old ravenheat combi boiler that is working fine but after mending a towel raidator at the weekend replacing an o ring I thought I would top up the pressure in the boiler via the filling loop. Stupidly I have put too much pressure in and as you can't see the pressure gauge when you are operating the filling loop in my flat.Learn More

  • Which boiler type? | Screwfix Community Forum

    May 19, 2021 · a) Change to a system boiler of around 30kw, larger hot water cylinder. b) Combi water storage boiler (Vailant 938) c) Combi boiler (40kw) and an unvented water cylinder. An engineer came out today who advised change to a 40kw combi. I am a bit skeptical as I believe a combi suffers wit pressure loss with multiple taps or showers.Learn More

  • Minimum operating Gas Pressure on boiler | Screwfix

    Mar 04, 2021 · What matters is the pressure when the boiler is running at full power, which is related to how much gas can be delivered to the boiler through the pipe work, and what is available at the meter position. This is determined by the size of the pipe work and the number of fittings (eg elbows), all of which restrict the flow of gas.Learn More

  • Boilermate A Class | DIYnot Forums

    Boiler losing pressure? Causes of low boiler pressure & how to fix thLearn More

  • Biasi Riva Plus (m135.30cm - DIYnot.US Forums

    The Normal PSI Reading for a Hot Water Boiler System | HunkerLearn More

  • What is this boiler noise? Is it dangerous

    Oct 24, 2020 · Yes, I have a water cylinder upstairs, and pressure gauges both there and on the boiler itself. Dunno if anything else in the loft, don't think so. Pressure seems fine - was around 1.5, I bled the radiators and reduced it right down to zero, then increased it back to 1.0, and it's still roughly that now, yes the occasional vibrating persists.Learn More

  • Weil McLain Boiler Too Much Pressure -

    Nov 25, 2014 · Weil McLain Boiler Too Much Pressure. Weil Mclain oil fired burner (Carlin) from 2008. - One zone system (does NOT have a domestic hot water coil) - Pressure high causing relief valve to open at 30 PSI. - Replaced: Pressure Relief Valve, Water feeder (Watts 12-15 PSI), and Extrol 30 Expansion Tank Today in hopes of correcting issue.Learn More

  • Too much pressure in boiler | DIYnot Forums

    Sep 03, 2019 · DIYnot Forums. Home Forums > How to > Plumbing and Central Heating > Too much pressure in boiler. Discussion in 'Plumbing and Central Heating' started by Dye, Combi boiler too much pressure. bc123456bc, 11 Dec 2008, in forum: Plumbing and Central Heating. Replies: 6 Views: 1,503. ChrisOxford 7 Sep 2011 Learn More

  • Boiler pressure keeps increasing! | Screwfix Community Forum

    May 05, 2018 · We have just added a new radiator and now our a combi boiler (Gloworm 30cx) pressure keeps increasing from 1.0 bar to 2.5 bar when the heating is on and there is a leak of dripping water coming from under the casing on the front right hand side when the pressure reaches over 2.5 bar.Learn More

  • CH boiler loosing pressure. - Singletrack Magazine Forum

    Sep 24, 2021 · I have an ageing Ideal Logic 35 boiler which is loosing pressure over a couple of days. It started a couple of weeks ago when I decided it was …Learn More

  • water pressure through a combi | DIYnot Forums

    Dec 13, 2017 · DIYnot Forums. Home Forums > How to > Plumbing and Central Heating > so what could my son have done which caused the hot water tap to be running cold. Does seem too much of a coincidence that it was the one time he used the tap. chrisw99, 13 Dec 2017 #5. Loss of Water Pressure Through Combi Boiler. BrianTheSnail Learn More

Provide you with the most suitable plan and price

Start your project