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Old 04-23-2024, 12:47 PM   #1
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Join Date: Apr 2024
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Dometic refrig not working on gas above 3,000' elevation

Hi all......I need to ask for your help. My trailer's (2017 R-Pod 172) refrigerator (Dometic model RM8501) works fine on 120V, 12VDC and LPG at lower elevations. However, above around 3,000 feet elevation, it will not work on LPG. I make sure the refrigerator is perfectly level in both directions. I still have ample gas pressure & burning on the stove. I have checked the ignitor electrode gap (3/16”) and cleaned the burner, valve & vent. I have dual LPG tanks that run through the same regulator. Is there an adjustment in this regulator that I can adjust? What else can I check, adjust or modify to get our refrigerator to work on LPG at higher elevations? Thanks so much for your help on this. Happy Trails.
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Old 04-23-2024, 01:06 PM   #2
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Location: Richmond VA
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Gas appliances don't get enough oxygen at high altitudes and it's common for them to require different gas jets to function properly. Too much gas-too little air. But 6,000 to 10,000 feet is the typically stated altitude where de-rating is required. Look for restricted air to the refrigerator (or too much gas) Got spiders or wasps, they both love these areas.

-- Chuck
2006 Roo 23SS behind a 2017 Ford Expedition
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Old 04-23-2024, 02:28 PM   #3
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Thanks for the hints, Chuck. Most appreciated.
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dometic, gas

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