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dropping

H-dropping or aitch-dropping is the deletion of the voiceless glottal fricative or "H-sound", [h]. The phenomenon is common in many dialects of English, and is also found in certain other languages, either as a purely historical development or as a contemporary difference between dialects. Although common in most regions of England and in some other English-speaking countries, and linguistically speaking a neutral evolution in languages, H-dropping is often stigmatized as a sign of careless or uneducated speech.
The reverse phenomenon, H-insertion or H-adding, is found in certain situations, sometimes as an allophone or hypercorrection by H-dropping speakers, and sometimes as a spelling pronunciation or out of perceived etymological correctness. A particular example of this is the spread of 'haitch' for 'aitch'.

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  1. 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...
  2. N

    Intergas Boiler pressure dropping

    Intergas Boiler (only 2 years old and serviced each year) pressure dropping to 0b after just 1hr of running - can anyone help? No leaks anywhere
  3. Jamro91

    Gas pressure dropping to zero when demand kicks in?!

    I have an Ariston combi e on lpg, the gas pressure drops from a lovely 37mb to 0 the second gas valve opens and fan starts to run, usually would drop to around 35mb on comparable systems. Any ideas what could cause that? I suspected a blockage in the regulator so changed that and attached the...
  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. M

    Thermostat Not Dropping Quickly Enough

    Hi I live in elderly sheltered property and have nothing but trouble with thermostat. I’m a bit confused. When i put it on 19 degrees intuitively i would say that when it reaches 19 it would turn off the boiler. But it goes to 20 before the boiler switches off. You now have to wait for it to...
  6. 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...
  7. M

    Drainage testing with air? Dropping

    Hi folks. What is the best way to trace a drop on a 4” stack test? I’m only using the little 100mm u gauge and bungs but can’t find nothing with ldf? Cheers
  8. W

    Dropping pressure gauge

    I’ve looked through the answers but I’ve not seen a solution to my problem. My pressure gauge drops overnight 1.75 bar to zero. No visible leaks any where …valves..connections pressure release valves etc. All radiators heating correctly and no air in rads. Circulation pump has no sounds of...
  9. E

    Boiler pressure dropping

    Good evening all , Our boiler constantly loses pressure and needs topping up weekly or hot water goes off etc, the boiler has been replaced and the pressure still drops the same, There is no obvious sign of leak anywhere so a bit lost what to do , A plumber has put a leak fix substance down the...
    • Emnick
    • Thread
    • america boiler dropping pressure usa
    • Replies: 2
    • Forum: USA
  10. D

    Hot water only lasts 2 - 3 minutes before slowly dropping to cold.

    Hi all, Hot water only lasts 2 - 3 minutes, if I turn it off for a minute hot water returns for a couple more minutes. It seems to last longer on a lower pressure. We had a plumber change the heat exchanger which didn’t make a difference. And it’s not the thermal mixer in the shower as we had...
  11. F

    Pressure dropping new combi

    Hi all. I'm having a problem with pressure dropping on new boiler. Currently topping up every couple of days. Roughly half a bar per day drop and mostly when heating not on. I had a few weeps at radiators which I think I've seen to and my suspicion is it's under new flooring on ground floor...
    • Foolsgold
    • Thread
    • america combi dropping new pressure usa
    • Replies: 8
    • Forum: USA
  12. M

    System dropping pressure every few days

    Posting this on behalf of my Nan who has been experiencing issues with her central heating system periodically for the a number of years, and thus far no-one has offered a solution that has provided a permanent fix. She lives in a 1970s bungalow with central heating throughout. The combo boiler...
  13. J

    Dropping flow rates over time.

    Hi folks. I'm looking for advise for troubleshooting dropping flow rate that I could look into myself until we are up and running and I can get a professional in. Over the last 6-8 weeks I've noticed that our water supply is dropping in flow rate and today I measured a tap running at 3.5...
    • JoeHill
    • Thread
    • america dropping flow rates time usa
    • Replies: 10
    • Forum: USA
  14. C

    Vaillant ecotec pressure dropping

    Hi folks, hopefully someone can help as this problem is doing my head in. Sorry for the long story but just want to fill in on what’s going on. Father in-laws boiler was dropping pressure with no sign of leaks on system. I checked expansion vessel and it had lost charge so must’ve been...
  15. D

    Pressure dropping in boiler

    Hi guys, Just need a bit of advice, i have a Valiant boiler fitted and over the last few years the pressure has been dropping intermittently, it can go months with no problems then i switch the heating on or turn a hot tap on to find there is no pressure in the boiler and i have to top it up...
    • DB 16
    • Thread
    • america boiler dropping pressure usa
    • Replies: 0
    • Forum: USA
  16. T

    HIU Flow Rate Dropping

    Hi All I live in a new build block of flats. We all have HIUs. This model. Type 2 HIU Connection for Primary & Secondary Heating Circuits - Switch2 - https://www.switch2.co.uk/product/type-2 The entity that owns the system didnt maintain it very well so they just had to flush the whole...
    • tsmith
    • Thread
    • america dropping flow flow rate hiu usa
    • Replies: 1
    • Forum: USA
  17. J

    UFH Pressure Test Length / Pressure Dropping

    Hi All, My wife and I our renovating our first house together and have become a little stuck installing our wet underfloor heating system. Before we end up phoning around local plumbers I thought I'd post on here to see if anyone has any bright ideas. We've laid the pipes (2 zones)...
  18. A

    Baxi Duo Tec Keeps Dropping Pressure

    Hi, I have a baxi duo tec 28 HE which keeps dropping pressure and return E119 error code. In the last month it's had to be topped up 3 times and I topped up again early this week to 2 bar and today the pressure has dropped to below 1 bar. I've checked all the radiator valves for leaks but...
  19. J

    Fan fault (red & green flashing) on my alpha HE CB33 and dropping pressure...any ideas?

    Hi guys... I have a alpha HE CB33 and it’s dropping pressure and coming up with error code (blocked flu or fan fault) any ideas?
  20. W

    Vaillant Ecotec Pro 28 pressuring dropping - due to Magnaclean?

    In January 2018 we had a new diverter valve fitted to our Vaillant Ecotec Pro 28 by an official Vaillant repairman. After this we had a Magnaclean 2 fitted by our gas installer. I had checked the water pressure on the Vaillant and it appeared to be OK, around 1.1 after the installer fitted the...
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