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˹éÒ 250
modified to save water by installing flow control valves in hot and cold supply
lines . In either case , the ideal flow rate is about a 42 gallon per minute ,
compared with normal flow rates of 2 to 3 gallons per minute . Low - flow faucets
can be ...
modified to save water by installing flow control valves in hot and cold supply
lines . In either case , the ideal flow rate is about a 42 gallon per minute ,
compared with normal flow rates of 2 to 3 gallons per minute . Low - flow faucets
can be ...
˹éÒ 315
Thermosyphon Systems Remember the old gravity - flow hot water heating
system ? It looked something like Figure 18 - 5 : huge pipes , lots of “ water
hammer , ” usually too hot or too cold ; but it didn ' t use a pump to move the water
around or ...
Thermosyphon Systems Remember the old gravity - flow hot water heating
system ? It looked something like Figure 18 - 5 : huge pipes , lots of “ water
hammer , ” usually too hot or too cold ; but it didn ' t use a pump to move the water
around or ...
˹éÒ 323
18 / Solar Water Heaters 323 in the path of the flow will retard the natural
circulation ; a good design will create a situation where friction is kept to a
minimum . Let ' s look at an example to see just how small this pressure
difference is .
18 / Solar Water Heaters 323 in the path of the flow will retard the natural
circulation ; a good design will create a situation where friction is kept to a
minimum . Let ' s look at an example to see just how small this pressure
difference is .
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Review: Low-Cost, Energy-Efficient Shelter for the Owner and Builder
º·ÇÔ¨Òóì¨Ò¡¼Ùéãªé - Myles Blackwood - Goodreadsold school book on ways to save energy, and live a life that uses less energy. it's a bit dated, so... i can think of a few things off the top of my head that should probably be updated.... however, for a $2 used book, it was worth it. ÍèÒ¹¤ÇÒÁ¤Ô´àË繩ºÑºàµçÁ
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Housing Options TodayJerome Kerner8 | 8 |
Financing Your Shelter NeedsChris Ahrens14 | 14 |
Some Problems To OvercomeCodes Appeals Public Acceptance | 31 |
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