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Any material which constitutes defamation, harassment, or abuse is strictly prohibited. Material that is sexually or otherwise obscene, racist, or otherwise overly discriminatory is not permitted on this forum. This includes user pictures. Use common sense while posting.
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Please refrain from posting the same question in several sections of this community. There is normally one section which is most suitable in which to post your question.
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All posts should be professional and courteous. You have every right to disagree with your fellow community members and explain your perspective.
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Unfortunately, like every other online forum, this Forum may sometimes attracts the attention of Internet Trolls who seek to cause disharmony among the legitimate users by making spurious or inflammatory posts. Anyone suspected of this kind of behaviour will be warned by the moderating team only once. Continued inappropriate posts after a warning has been issued and not replied to will result in the immediate deletion of their user account.
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The forum moderators reserve the right to remove any posts as well as pause or remove the forum or change the forum rules at any point without notice. The Small Solar Company may also adjust the rules of this forum to improve the smooth running of the service or to better help subscribers.
General Posting Guidelines
We figured this was necessary because a lot of people come in and post threads without thinking, and without realizing that there is no possible way they could get help because of the way they posted the question. Here are some general guidelines.
1. Please use SEARCH first!
There is a pretty good chance that unless you have some really odd or unique problem that it has been addressed on our forum before, please use the forum’s search feature first to see if there are already some good threads on the subject. It’s easy to search – just use the the “Search community” area at the top of the page.
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PLEASE post a descriptive topic name! Give a short summary of your problem IN THE SUBJECT. (Don’t use attention getting subjects, they don’t get attention and only annoy people).
Here’s a great list of topic subjects YOU SHOULD NOT POST:
- Help me,
- Very urgent
- I have a question
Generally ANYTHING similar to those is unacceptable. Just post your problem.
Remember when people help you, they are doing YOU a favour
patient, help people out by posting good descriptions of what you need
help with, and not snapping at people with words such as
“if you aren’t going to help don’t waste my time replying”.
3. How To Notify Us Of Objectionable Material
If you feel that a posted message is objectionable, please alert the moderators of that forum firstname.lastname@example.org
and include a link to the offending topic/post. The Forum administrators and moderators can remove objectionable messages and we will make every effort to do so as soon as we can, if we determine that removal is necessary.
4. Guests (Unregistered) Not Permitted To Post
- Unregistered Guests will still be able to read forum messages in
all public forums but posting and replying
- By registering with the The Solar Thermal Forum, you are agreeing to abide by The Solar Thermal Forum Rules stated on this page. Posting/replying will be
activated, once you have successfully registered on this forum.
RESOL ES10 Issue
We have a solar system that heats our water in the spring and summer. In our airing cupboard is a Resol ES10 box which until recently has been fine, however it has started clicking constantly like it is switching on and off, while it does this, the pump
Hello from USA, I have a solar system that froze in January. We're looking to buy parts to repair our solar tube system. Does anyone know where to go or who to ask? Thanks
drain down question
Hi, sorry if this has been covered already. I need to remove the panels from the roof so need to drain down the fluid. Do i need any specialist equipment, are there any tips on doing it? Also is the fluid toxic and are there any restrictions on getting
evacuated tubes pump
Noisy pump on evacuated tube system. Switched it off because of the noise and now it hardly works at all. Is this a job for a local plumber or a specialist?
Cylinder Probe Pocket leaking.
Solar Hot Water Cylinders often have 2 or more pockets where the temperature sensor is fitted. These pockets are made from 10mm copper pipework and after a few years may be susceptible to leaking due to corrosion. A 10mm compression cap can be fitted.
Unvented cylinder responsible for low flow rate?
I have good mains water pressure on the ground floor. There is no tank in the loft but an unvented Fabdec Solar cylinder in the upstairs airing cupboard. A gas heat only boiler (Vaillant) which regularly displays a F83 fault. I've checked all the stop
Reading 888.8 on RESOL controller
A reading on a RESOL controller showing a series of the number 8s is normally indicative of a failed sensor, a non compatible sensor or a failed connection from the controller to the sensor. Where the controller has an LED, this is often combined with
Common evacuated tube sizes
We were recently asked for sizes of twin wall evacuated tube sizes. Commonly available are 47mm external diameter, 1500 mm long 58mm external diameter, 1800 mm long Less common sizes include 58mm external diameter, 1500 mm long 58mm external diameter,