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Old 12-21-2016, 08:44 PM   #1
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30 psi regulator

I have changed this regulator and auto change over wont change over....ran a straight run of hose to change over regulator and works fine...any harm in leaving 30 psi regulator off of 5th wheel.....2012 31sl...both inlets to change over regulator end up in the same chamber of the regulator....the top one.....appreciate any input....
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Old 12-21-2016, 09:26 PM   #2
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Pretty sure that it is there for a reason. To reduce the high pressure from the tank to be reduced to 30 PSI. I also think there is probably a directional arrow on the regulator indicating the direction of LP flow. If it is hooked up backwards, I don't think it will allow gas to pass through. Might want to see if the inlet and outlet are marked somewhere on the new regulator.

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Old 12-21-2016, 09:55 PM   #3
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Yep they are marked and installed correctly.....with regulator in line with change over valve soon as furnace lights the red flag goes up in window and furnace goes out....without regulator everything works fine...
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Old 12-21-2016, 09:56 PM   #4
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prolly a bad new regulator.....
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Old 12-21-2016, 10:06 PM   #5
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Quote:
Originally Posted by katy4man View Post
I have changed this regulator and auto change over wont change over....ran a straight run of hose to change over regulator and works fine...any harm in leaving 30 psi regulator off of 5th wheel.....2012 31sl...both inlets to change over regulator end up in the same chamber of the regulator....the top one.....appreciate any input....
There are regulatory requirements for the red regulator. I believe the regulations are related to the distance or length of gas line that you can connect to the tank without reducing the line pressure; it is a safety issue. So, I would not try to remove the red regulator.
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Old 12-21-2016, 10:18 PM   #6
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problem solved was bad new regulator only 15 psi coming out instead of 30 psi....changed it out and is all good...was leery of running full pressure to change over valve just plain don't like propane....again thank all my redwood bro's....
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Old 12-21-2016, 11:28 PM   #7
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That code change to NFPA 1192 is not that old, so all RVs before 2006 or so never had that 2nd regulator. I personally wouldn't hesitate to bypass it, or at least get a marshall brass replacement instead of those knock offs Redwood installs.
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Old 12-22-2016, 04:50 AM   #8
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When my "RED" Regulator failed, I ordered a Marshall Brass replacement and a Marshall Brass Changeover Regulator too, much easier to read.
Replaced both Regulators, No propane problems since.
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Old 12-22-2016, 01:57 PM   #9
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I think part of the new regs was to include a high flow cutoff...
i.e. if a line broke or was cut, say in an accident, the regulator would cutoff the propane flow...
If you cracked open the propane valve too quickly, it would shut down the flow too, so slowly open the valve !
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Old 12-25-2016, 02:43 AM   #10
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Rob do you have the part number for the Marshall regulators that you used to replace your red and other $$ and where you purchased.
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Old 12-25-2016, 04:55 AM   #11
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This is what I ordered
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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Old 12-26-2016, 03:43 PM   #12
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The exact same one I ordered from amazon...was only putting out 15 psi...under the little 30psi sticker on top is an adjustment allen screw...turned it up to 30 psi and works just fine now.....
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Old 12-26-2016, 04:24 PM   #13
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When you change it out do you have to shutoff the tank that is on the opposite side of the coach?
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Old 12-26-2016, 04:37 PM   #14
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I shut off and disconnected both tanks prior to replacing the regulator.
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Old 12-26-2016, 05:57 PM   #15
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I also turn off both tanks...
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Old 12-28-2016, 02:05 AM   #16
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Rob do you have the part number for the Marshall regulators that you used to replace your red and other $$ and where you purchased.
I do not remember where I finally got them from.
I did have a hard time finding what I was looking for at the time, the same supplier did not have both regulators in stock so I had to do some searching and do remember I wound up getting them from different suppliers.
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