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Old 09-18-2019, 02:08 PM   #21
Rivet Master
 
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1982 34' Limited
1986 34.5' Airstream 345
Sioux Falls , South Dakota
Join Date: Sep 2010
Posts: 558
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Another approach to the Dometic refrigerator issue

Hi, there! I'm Joe, Mr. Jenniflow.

This time we are really serious! By gum! So I read through this thread, and did a lot of searching online, and indeed those two parts are scarce as hen's teeth on Mars.

There was good advice upthread to look for RV dealers that might have this particular Dometic model in their trash yard.

But I am having a different thought, and I am proposing it here to see if anyone can knowedgeably shoot it down: Not only are Dometic refrigerators quite common, but propane valves and piping are quite standard, and indeed are mandated to be standard by regulation. I have built and upgraded several propane installations on boats. So there is no need to find these exact parts. We can replace them with parts that do the same thing.

I don't have the 345 MH here right now, it's still in storage. But I looked at the manual:
http://techsupport.pdxrvwholesale.co...ser-Manual.pdf

Figure 11 on Page 13 shows what we're talking about. What we have is a simple manual shutoff valve, then a 12-v activated solenoid shutoff valve that defaults to shut in absence of electricity. Somewhere in the system there must be a pressure regulator to bring the tank pressure down to about .5 PSI. The connections in the drawing appear to be standard LP gas connections.

So why would I not just buy standard shutoff valve, solenoid (and if necessary a two-stage regulator as mandated for RVs) at a place like this:
https://gashosesandregulators.com/Lo...-Regulators/48

Any objections?
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