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Search took 0.00 seconds. Search: Posts Made By: SDMCF

Forum: Solar Heating

09-22-20, 02:25 AM

Replies: 16

Drain-back system and evacuated tubes

Views: 21,917

Posted By SDMCF

Jeff, how do you see such problems happening? I...

Jeff, how do you see such problems happening? I have no experience with drainback systems so I can only guess.

It seems to me there are 2 ways: a failure to pump fluid into the collectors because...

Forum: Solar Heating

09-17-20, 01:39 AM

Replies: 16

Drain-back system and evacuated tubes

Views: 21,917

Posted By SDMCF

I assume you mean horizontal - or actually a...

I assume you mean horizontal - or actually a little off horizontal to facilitate drainback. If the manifolds were vertical the tubes would be horizontal and I don't think they would work in that...

Forum: Solar Heating

09-14-20, 03:50 PM

Replies: 16

Drain-back system and evacuated tubes

Views: 21,917

Posted By SDMCF

I have 90 tubes and they perform very well on...

I have 90 tubes and they perform very well on cold days but do not perform at all well on overcast days. The most productive time of year for me is February/March when the temperature can be -30C but...

Showing results 1 to 3 of 3

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