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Old 09-15-2019, 05:05 AM   #5
wecker1
Montana Fan
 
Join Date: Nov 2017
Location: Appling
Posts: 176
M.O.C. #20840
We switched out the Thetford in our 2017 3791 for the Dometic 320 with no issues in regards to fitting in the same footprint. Sounds like your blockage issues are beyond the tank though...good luck.
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Wayne & Karen
2017 3791RD, MORryde SRE4000 w/ X Factor
2017 Ford F350 Lariat, CC, LB, PSD, DRW, 4WD, Curt Q24
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