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Old 08-28-2017, 02:08 PM   #1
Ram Montana High Country
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M.O.C. #19944
Bug Screens on Exterior Fridge Vents

Service person recommended adding bug screen on exterior fridge vents. First trip, fridge did not work, not due to bug screens. Independent service person indicated Dometic might not warranty unit if Bug Screens were installed. Where as the Service person said mud dabbers could cause failure by causing excessive heat ... any thoughts?
MorRyde Steps & Step Box / TrailAir / MOPEKA
Slide Toppers / EMS-HW50C / Sailun 85's
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Old 08-28-2017, 02:40 PM   #2
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I put the screens on ours with a Norcold when it was new 6 years ago and our reefer has worked flawlessly and has never been turned off.
2018.5 Montana 3791RD
2012 F350 SRW 6.7 PSD

Full Timing since September 1, 2010
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Old 08-28-2017, 03:14 PM   #3
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Our Rv tech said if you use your fridge 24/7 you do not need bug screens as it is to warm for the daubers to nest inside. But if you only use your fridge part time he said to block the openings when not in use, he dosent recommend the use of screens because it might over heat the fridge especially if the ambient temp is over 85 degrees.
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Old 08-28-2017, 03:17 PM   #4
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I have them on my Norcold now, and had them on my Dometic on my old trailer... never had a problem.

Darryll & Cassy
2009 Montana 2980RL
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Old 08-28-2017, 03:35 PM   #5
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WH and furnace yes. Have never felt the need for a frig.
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
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Old 08-28-2017, 06:18 PM   #6
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I have put them on my Water Heater, Furnace and Refrigerator vents. I put them on all 3 of our Montana's and have never had a problem in over 13 years. Would not be without them and highly recommend them to keep out the Mud daubers, Wasps and Hornets!
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