Quizzes & Puzzles161 mins 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.tinypic.com/1547gqc.jpg
http://i63.tinypic.com/b5p82x.jpg
http://
http://
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