r39o
Samba Polizei
Joined: May 18, 2005
Posts: 9800
Location: San Diego
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 Posted: Sun Apr 25, 2010 11:48 am Post subject: |
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| Terry Kay wrote: |
I zigged instead of zagged on that one--and corrected that thought---
They sure do --hanging right on the side of the shut off valve. |
That is the over pressure Relief Valve. NOT an over fill device.
I think the tank schematics omit the internal over fill device that seems to be installed in all the tanks. I don't think Manchester would put them in unless they were required to.
Yes the oldest tanks do not have an explicit over fill device. Later they added the troublesome external valve. Now they are internal.
Point is, old tanks don't have an overfill device and new ones do.
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Terry Kay
Banned
Joined: June 22, 2003
Posts: 13331
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| Posted: Sun Apr 25, 2010 2:31 pm Post subject: |
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Like I mentioned, the original tanks don't have this magical valve, are not required, so it's nothing even to be concerned about, unless you have a new thank with a stuck valve.
I don't know about you, but I only have 3 outlet's on my 3 Westfalia's propane tanks--and there's only one place for a pressure overload to escape---
On the side of the shut off / service valve.
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