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SuityWaddleBird on
The big on the right is the hot water storage from the heating.
The smaller white one on the left bottom is a pressure compensator. It has air inside and buffers pressure changes.
rewboss on
The big tank is the main water tank which stores hot water. The smaller round tank on the wall is a compensating tank: it helps to compensate for differences in pressure caused by evapouration and temperature changes.
The white cabinet is obviously the boiler, and the small dark cabinet on the far wall regulates water through the solar panel.
artifex78 on
It’s an unvented (closed) hot water cylinder, providing heating and, well, hot water. It’s a closed system, means it’s under pressure. The little tank on the left is an [expansion tank](https://www.youtube.com/watch?v=r9C33rkxdXc). When water is heated up, it expanses and needs more room. That little tank is a safety device.
The best is to leave it alone, only professionals are allowed to maintain an unvented hot water cylinder.
Weary_Parking_9305 on
It’s a meth lab! Report it!
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**Have you read our extensive wiki yet? It answers many basic questions, and it contains in-depth articles on many frequently discussed topics.
[Check our wiki now!](https://www.reddit.com/r/germany/wiki/index)**
*I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/germany) if you have any questions or concerns.*
The big on the right is the hot water storage from the heating.
The smaller white one on the left bottom is a pressure compensator. It has air inside and buffers pressure changes.
The big tank is the main water tank which stores hot water. The smaller round tank on the wall is a compensating tank: it helps to compensate for differences in pressure caused by evapouration and temperature changes.
The white cabinet is obviously the boiler, and the small dark cabinet on the far wall regulates water through the solar panel.
It’s an unvented (closed) hot water cylinder, providing heating and, well, hot water. It’s a closed system, means it’s under pressure. The little tank on the left is an [expansion tank](https://www.youtube.com/watch?v=r9C33rkxdXc). When water is heated up, it expanses and needs more room. That little tank is a safety device.
The best is to leave it alone, only professionals are allowed to maintain an unvented hot water cylinder.
It’s a meth lab! Report it!