International Association of Certified Home Inspectors
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| Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections. |
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#1
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What do you guys think of this? I have only seen expansion tanks (with diaphram) installed vertically, not horizontally. In fact, I just installed a similiar tank myself and the directions indicated it should only be installed vertically. Also, the low water cut-off is on the return. When I installed mine, the directions indicated to put it on the supply line.
Patrick Coulter Cross County Inspection Services, LLC (443) 266-7544
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#2
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I tried to attach a photo but it wouldn't attach. The system was a Utica boiler. Model number MGB100HD. Manufactured in 3/04.
Patrick Coulter Cross County Inspection Services, LLC (443) 266-7544
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#4
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I checked out the tutorial and I was trying to do it correctly but I keep getting a message indicating "The Page Cannot Be Displayed."
Patrick Coulter Cross County Inspection Services, LLC (443) 266-7544
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#5
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I just did it and it worked fine. What type of connection do you have? |
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#6
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Hi Mike, Sorry took a while to get back to this. Haven't been on lately. Yes, it did happen during the tutorial and after it. I use Verizon Fios as my provide for High Speed Connection but when I just tried to upload the picture again I got a different message saying the file is too large. (Its just a simple picture from a 7megapixel camera.)
Patrick Coulter Cross County Inspection Services, LLC (443) 266-7544
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#7
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jpgs can't be larger than 640 x 480 The other format sizes are also listed when you upload After you have resized you pics I'm sure it will work just fine. |
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#8
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![]() TA-DAAAAAAAAA!! Patrick Coulter Cross County Inspection Services, LLC (443) 266-7544
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#9
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Looks like an Amtrol Extrol.
The EXTROL is installed on the supply-side of the boiler system. Its sealed-in air pre-charge prevents water from entering the tank until the system pressure begins to rise. Installation Guide(PDF) It should also be vertical as shown in the installation instructions. |
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#10
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Thanks Mike. That's what I thought. I wrote it up as "an atypical installation that should be further evaluted by a licensed plumber", rather than saying for certain that it was incorrect.
Patrick Coulter Cross County Inspection Services, LLC (443) 266-7544
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#11
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Please Note:
Ian Gills is a non-member guest and is in no way affiliated with InterNACHI or its members.
In my opinion, there is nothing wrong with that installation. Expansion tanks can be installed horizontally. The recommendation that they are installed vertically is to reduce stress on the (normally copper) pipe, which should be adequately supported even if the tank is suspended vertically.
They look like galvanised fittings which will support the weight, so what is the problem? Last edited by Ian Gills; 11/15/07 at 6:13 PM.. |
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#12
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I agree....there is nothing wrong with that install. The stress put on the connector is minimal and the Bladder will work just fine. |
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#13
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So, the manfacturer's instructions to mount vertically are unimportant?
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#14
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Please Note:
mthomas2 is a non-member guest and is in no way affiliated with InterNACHI or its members.
Looks pretty strightforward to me:
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#15
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Please Note:
ldapkus is a non-member guest and is in no way affiliated with InterNACHI or its members.
Quote:
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