Expansion Tank: Difference between revisions
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*Air side up in this mounting - [https://www.youtube.com/watch?v=NGygvtP6Sdk] | *Air side up in this mounting - [https://www.youtube.com/watch?v=NGygvtP6Sdk] | ||
*Some places say upside down matters - [https://poe.com/]. Supplyhouse says it doesn't matter [https://blog.supplyhouse.com/expansion-tank-mounting-positions/#:~:text=Expansion%20tanks%20can%20be%20installed,properly%20without%20any%20adverse%20effects.]. | *Some places say upside down matters - [https://poe.com/]. Supplyhouse says it doesn't matter [https://blog.supplyhouse.com/expansion-tank-mounting-positions/#:~:text=Expansion%20tanks%20can%20be%20installed,properly%20without%20any%20adverse%20effects.]. | ||
*IT seems it does matter - process connection at top, so that trapped air bubbles can float up and out. [https://www.caleffi.com/usa/en-us/blog/about-my-expansion-tank#:~:text=The%20tank%20should%20be%20mounted,it%20can%20damage%20the%20bladder.]. If it's on the side, air can get trapped inside. This makes sense to me. Also - can corrode if it's on the side, or put more stress on the bladder [https://www.apswater.com/article.asp?id=257&title=Can+a+pressure+bladder+tank+be+installed+sideways]. | *'''IT seems it does matter''' - process connection at top, so that trapped air bubbles can float up and out. [https://www.caleffi.com/usa/en-us/blog/about-my-expansion-tank#:~:text=The%20tank%20should%20be%20mounted,it%20can%20damage%20the%20bladder.]. If it's on the side, air can get trapped inside. This makes sense to me. Also - can corrode if it's on the side, or put more stress on the bladder [https://www.apswater.com/article.asp?id=257&title=Can+a+pressure+bladder+tank+be+installed+sideways]. | ||
**Depends on tank. Definitely want to watch the air escape - [https://www.hpacmag.com/features/expansion-tank-dos-and-donts/attachment/hpac-may-2019-fig-3/] | |||
*Summary: always think of how the air escapes a pressure or expansion tank. This is for hot water system expansion tanks and RO tanks. But, for water storage (cold) tanks - this one indicates that orientation doesn't matter - could be because the cold storage tanks are built more heavy? Water storage tanks have more air - 2/3 air - [https://www.h2oequipment.com/blog/pressure-tanks-size/#:~:text=Most%20residential%20pressure%20tanks%20come,t%20hold%20that%20much%20water.]. Expansion tanks seem to have 1/2 air. | *Summary: always think of how the air escapes a pressure or expansion tank. This is for hot water system expansion tanks and RO tanks. But, for water storage (cold) tanks - this one indicates that orientation doesn't matter - could be because the cold storage tanks are built more heavy? Water storage tanks have more air - 2/3 air - [https://www.h2oequipment.com/blog/pressure-tanks-size/#:~:text=Most%20residential%20pressure%20tanks%20come,t%20hold%20that%20much%20water.]. Expansion tanks seem to have 1/2 air. | ||
*RO tank may work as an expansion tank [https://www.plbg.com/forum/read.php?1,602415] | *RO tank may work as an expansion tank [https://www.plbg.com/forum/read.php?1,602415] | ||
Revision as of 20:48, 11 April 2023
- Air side up in this mounting - [1]
- Some places say upside down matters - [2]. Supplyhouse says it doesn't matter [3].
- IT seems it does matter - process connection at top, so that trapped air bubbles can float up and out. [4]. If it's on the side, air can get trapped inside. This makes sense to me. Also - can corrode if it's on the side, or put more stress on the bladder [5].
- Depends on tank. Definitely want to watch the air escape - [6]
- Summary: always think of how the air escapes a pressure or expansion tank. This is for hot water system expansion tanks and RO tanks. But, for water storage (cold) tanks - this one indicates that orientation doesn't matter - could be because the cold storage tanks are built more heavy? Water storage tanks have more air - 2/3 air - [7]. Expansion tanks seem to have 1/2 air.
- RO tank may work as an expansion tank [8]