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thermal

A thermal column (or thermal) is a column of rising air in the lower altitudes of Earth's atmosphere, a form of atmospheric updraft. Thermals are created by the uneven heating of Earth's surface from solar radiation, and are an example of convection, specifically atmospheric convection. The Sun warms the ground, which in turn warms the air directly above it. A thermal is a rising mass of buoyant air, a convective current in the atmosphere, that transfers heat energy vertically.

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  1. Marti

    Solar thermal system appears to be low on pressure-opinions appreciated

    If my mates in the Electrician's Forum see me in here, jus' tell I got lost, alright ;) So, I was called out to the home of a good client. They have a thermal solar installation but were not completely clear of the difference - hence calling in a sparky and I was interested as to how thermal...
    • Marti
    • Thread
    • appears appreciated solar system thermal
    • Replies: 2
    • Forum: Renewables
  2. D

    Solar pv or solar thermal for space heating via thermal store

    I’d like some advice and opinions please. I have a 150 year old stone cottage ( 2 foot thick solid stone walls) some roof insulation and double glazed windows in a very cold exposed hill top position in the north western Yorkshire Dales. we are planning to put underfloor heating downstairs and...
    • Dalesdipper
    • Thread
    • heating solar space store thermal thermal store
    • Replies: 6
    • Forum: Renewables
  3. B

    Solar Thermal Cylinder Installation

    I had a solar thermal cylinder installed last week. The installers had an issue with one of the valves and installed a 15mm pipe (see red arrow in picture) instead of the 22mm at the valve. Is this going to be an issue? The 15mm then feeds into the larger 22mm. However, my concern is that...
  4. Z

    DPS Thermal Store- hot water/flow issues

    Hello, hope you're all enjoying the bank holiday weekend. I have a customer with a Dedicated Pressure System (DPS) Heat Bank System (Thermal Store). If they run one bath/shower, it's fine. If they try to run two at once the water at both is barely even warm. I know the house has been extended...
    • Zippymark
    • Thread
    • america dps hot issues store thermal thermal store usa
    • Replies: 7
    • Forum: USA
  5. Husk24

    Solar Thermal installed - does this look right?

    Hi guy I had solar thermal installed and wanted an expert opinion, had it installed today and its not working and the installer is to return. I get the impression when it comes to the electrical side the installer hasn’t the foggiest, he replaced the water valve and now my boiler does not heat...
    • Husk24
    • Thread
    • installed right solar thermal
    • Replies: 28
    • Forum: Renewables
  6. P

    Thermal Store cylinder noisy

    Hi all, I moved to my flat 3 years ago and I noticed since then than the hot water thermal store cylinder is noisy (kettle noise) when the heating element is on (around 2 hours a day during economy 7 hours) This wasn't a problem before since it is located far from the main bedroom but now, we...
    • pintxo21
    • Thread
    • america cylinder electric heating system noisy store thermal thermal store usa
    • Replies: 9
    • Forum: USA
  7. J

    Range flowmax thermal store.

    Evening Ive got a customer with a range flowmax. The customer is saying that the hot water is hot but only for 1 shower but before they would get three. There is one immersion at the bottom on economy 7 with a boost. Its a vented thermal store. At first i thought the blending valve is playing...
  8. K

    Wood stove above with thermal store below - can this work safely?

    Hello all, I'm searching for advice on my new system being fitted into a very old stone house in France. We have purchased a thermflow 300L thermal store with a built-in expansion tank to work with multiple heating inputs (solar, electric and wood burning stove boiler). We are running 7 rads...
    • KylieS
    • Thread
    • above below store stove thermal thermal store work
    • Replies: 19
    • Forum: Renewables
  9. T

    Is this a leak. Thermal image camera

    Old cottage was renovated 5 years ago, all new pipes underscreeded floor. This year started getting damp on the walls internally however it's an old stone cottage built of the ground over 100 years ago and half built block in the 1980s. A new french drain been installed all around the outside...
    • Thermal2020
    • Thread
    • america camera image leak thermal usa
    • Replies: 1
    • Forum: USA
  10. B

    I want programmable thermostat to control a Mixer Valve.

    I want programmable thermostat to control a Mixer Valve. This to provide CH flow temperature from 30C to 70C from a thermal store tank at 80C
    • Barley31
    • Thread
    • america control flow mixer mixer valve programmable temperature thermal thermal store thermostat usa valve
    • Replies: 1
    • Forum: USA
  11. M

    Testo 865 Thermal Imaging Camera

    For sale Testo 865 Thermal Imaging Camera Only a year old used once and in perfect condition. £695 ovno Pm if interested. Chris
  12. P

    Thermal expansion issues

    Hello all! I'm located in the US. I had a water pressure issue (150PSI) until I replaced the water pressure regulator (replaced the faulty one with a WATTS LF25AUB-RK,) which came preset to 50PSI. It held that pressure for about a week. Slowly but surely, the water pressure's been creeping up...
    • Plumber_Wannabee
    • Thread
    • america expansion issues thermal usa
    • Replies: 0
    • Forum: USA
  13. L

    Which Showering device is best suited for a thermal store?

    I have an Albion indirect mainsflow thermal store installed in July 2011 with a 120 litre capacity. I live in a block of communal council flats built in 1979. I have gravity fed water tanks on the roof of the property about 3-4 stories high. Pressure to my property on the cold water supply is...
    • luca rodino
    • Thread
    • america device shower mixer store thermal thermal store usa which
    • Replies: 0
    • Forum: USA
  14. U

    Installers with experience of Hybrid Solar Thermal / ASHP and Combi Boiler in Sussex Area

    Hi, I'm looking for someone to help specify, and possible install hybrid system. Initially the bungalow was setup for all low temp (underfloor heating and Fan assist heating rads), but couldn't afford ASHP at the time, so fitted a Vaillant Ecotec Plus 937 Combi as the heat source. Now looking to...
    • UKAS_Cal_Lab
    • Thread
    • ashp boiler combi combi boiler experience installers solar thermal
    • Replies: 6
    • Forum: Renewables
  15. M

    Thermal store combi boiler, hot water flow rate.

    Can anyone tell me the hot water flow rate on a thermal store combi boiler? As opposed. To a 40kw combi that will deliver nearly 16litres per minute. And any recommendations for a good thermal store boiler thanks.
    • Matt0029
    • Thread
    • america boiler combi combi boiler flow flow rate hot hot water store thermal thermal store usa water
    • Replies: 5
    • Forum: USA
  16. H

    Oil usage up after replacing thermal store

    Hi there, we replaced our Rotex Sanicube thermal store after discovering large amounts of sediment in our hot water supply. It was replaced with a Wocester Bosch unvented 250l cylinder. The sediment issue was resolved immediately but have noticed a large increase in oil usage. Probably going...
  17. J

    Thermal store nightmare

    Sorry for a long post but we have a complicated thermal store situation Over the summer we had a new solid fuel stovax back boiler installed and upgraded our hot water storage tank to a thermal store. We have not had reliable hot water since. Initially we only used the emersion and after...
  18. siricosm

    Cylinder for DIY thermal store

    I am looking to install a thermal store to replace my current vented cylinder. I plan to use an external plate exchanger for DHW and heat the store directly from my existing vented boiler. So what I am looking for is a plain stainless steel tank (no internal coils) with a variety of connections...
  19. D

    Thermal Solar Fill and Flush Tips

    Thermal Solar I have installed the above in my 3 bed simi with22mm pipe and an E and WEst panels into a cylinder with solar h/E and boiler H/e above . Is there and DIY way ( am not a proffesional) of filling and flushing , without buying and expensive fll and flush station please ? I used a...
    • David Coley
    • Thread
    • diy flush solar system thermal tips
    • Replies: 7
    • Forum: Australia
  20. M

    Thermal imaging camera

    Any views on Thermal imaging cameras please what you have and think is good value for money please. thank you
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