Business & Finance0 min ago
Any Plumbers, What Are These?
9 Answers
Can anyone tell me what these 2 devices are and what they do exactly? I think it's something to do with hot water in the house but not sure. Images below.
http:// i68.tin ypic.co m/1547g qc.jpg
http:// i63.tin ypic.co m/b5p82 x.jpg
http://
http://
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