Reading all the post and seems that since your water pump is still drawing air, would it be a possibility that there is not enough water into the fresh water tank? The suction line is not right at the bottom of the tank. Does your indicating level light show at least 2/3 full?
2011 Rockwood 8319SS with ProPride 3P hitch/GoodYear Marathons/TST TPMS 507
2008 F250 Lariat CC SB 6.8L V10 4.10 axle ratio (NITTO TERRA GRAPLER G2 LT275/65R20E)
Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
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