guage

A rain gauge (also known as an udometer,pluvia metior, pluviometer, ombrometer, and hyetometer) is an instrument used by meteorologists and hydrologists to gather and measure the amount of liquid precipitation over an area in a predefined area, over a period of time. It is used for determining the depth of precipitation (usually in mm) that occurs over a unit area and thus measuring rainfall amount.

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  1. K

    Size of Elbi pressure vessel required?

    The Elbi pressure vessel installed shows large variations in pressure when it is on and when it is off. Approx .8 bar variation from hot to cold and cold to hot. Is this normal or is the pressure vessel too small for the number of rads? How does one ascertain the size of vessel required...
  2. P

    Heatrae sadia Electromax boiler help

    I have a Heatrae sadia Electromax boiler and when the heating is on it works fine for a while then a demand overheat alarm comes on. The pressure is constantly above 3 bar, when I turn the red release valve the pressure reduces temporarily and then goes back. How do I constantly keep the...
  3. R

    Oftec 101

    I am off to do my Oftec 101 in April for the first time, I am registered with my 105E and my 600 but I haven't got any "Boiler tools" what would I need to do commisining and service work? I am looking at flue gas analizers, I have a multi meter, is there anyting else I need?
  4. S

    Anton v Regin

    Evening Been looking at some new kit today Weir flow guage & associated accessories Regin kit will cost about £70 Anton including "carry case" £88 both plus VAT Has anybody used this kit ? :)
  5. D

    Central Heating Pressure Problem

    I am having a slightly weird problem! I had a Vaillliant boiler fitted October of last year and the central heating and hot water has been working fine. I came home yesterday to find an BMT error on my wireless Thermostat so went up to the loft to check the boiler. The pressure guage was...
  6. O

    weird boiler issues

    hi, i have a conventional boiler with an electric ignition. we dont use the timer as it doesnt work. we just switch on at the wall for heating and hot water to the tank. however recently the boiler wont always fire up first time, also sometimes it will fire up after a failed attempt if u give...
  7. G

    When to "Top Up" presurised heating system

    Hi Folks, This is my first question on the forum but I have read many previous threads and found them very helpful, so here goes. I have a pressurised heating system which was installed 7 years ago when my house was built. The system incorporates a Megaflow indirect hot water tank and 2...
  8. M

    3 word story

    how about this its a 3 word story just add your words and see where it goes. anything goes but keep within the rules of the site. right here goes once a plumber
  9. E

    Boiler pressure too high - is this dangerous?

    Hi, our Valiant Turbomax pressure is above the 3 bar mark, we've tried reducing it using the key underneath but to no avail. I'm going to try bleeding the radiators next but my question is is it safe to use in the meantime? Am going to call the council out tommorow if it doesn't work, but will...
  10. B

    Dolphin Bathrooms

    Anyone had any experience or comments about this company, either trade or as a customer???
  11. S

    how do you recharge a expansion vessel

    how do u know when you have the right pressure ect? :confused:
  12. N

    leaking pressure relief valve

    had a leaking prv on a vokera boiler so valve is a 3 bar blow off took out old one and scaled up and put new prv head in but system still loosing pressure and leaking from prv i am told by customer as its 3 bar spring in there cant see how it can still be leaking any ideas appreciated..tks
  13. J

    jambo

    can some one explain what happens to the expanded water in an expansion vessel does it push back into the system or not PS its an argument i am having with another plumber cheers
  14. R

    Height of shower tray with saniflo

    Hi all,I'm new to this forum and am hoping someone can give me a definitive answer on a problem. I have built an en-suite shower/toilet room and have employed a local plumber to instal all the incoming pipework and leave ready for the final connections to the appliances by myself. The drainage...
  15. B

    Circulating problem

    Sime Oil fired boiler, probably sealed system. Industrial unit, not home. Boiler reaching temperature but nothing to rads. Pressure low but filling loop making no difference. (Have seen this before and we call it an Irish solution to an Irish problem, i.e. it has all the equipment for a sealed...
  16. J

    Boiler on/off cycle 20 seconds

    Hello all, I'm new to this forum as a user but I've been taking some info from it lately. Although I didn't find the answer for this problem: My boiler is a Myson Apollo 40Si about 10 years old. My landlord serviced it almost 2 years ago. Because of the cold weather I changed the thermostat to...
  17. Q

    Strap on temperature Guage

    I bought a strap on temperature guage from B&Q to help me diagnose a boiler problem. When strapped to the Flow pipe from the boiler it registered 80 ish C My Cylinder Stat has been mashed by a screwdriver at some point in its life. It does work but you cant see where it's set. So I strapped the...
  18. R

    yet another trajedy

    just heard on the news, man dies in home at stanley common derby's wife critically ill in hospital. suspected boiler fault, hse to investigate cause.
  19. E

    Worcester Greenstar Heatslave 18/25 Loss of Pressure

    I have a problem with a Worcester Greenstar Heatslave 18/25. I've read all the related threads but need some clarification on the PRV/Expansion Tank issue. If I leave the sytem running contiuously, pressure stays up at 1.5 to 2.0 bars for a week no problem. If however, I run it on the timer...
  20. R

    bad language and swearing

    hi all, i have this evening come accross at least a dozen swear words or bad language used in posts that are mis-spelt or disguised in some way. the problem is that the words are obvious in what they mean.:( if you are sure you need to express yourselves to the point, please heavily disguise...
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