Black Tanks Won’t Flush
I have two black tanks that discharge out one outlet. I have two unmarked black tank connections in the water compartment. Connecting to one, no water flows, when connected to the other, water dischar...
Forum Discussion
According to the Google you only have one black and one gray tank.
Specs for 2018 Heartland - Bighorn
Floorplan: BH 3870 FB
(Fifth Wheel)
Holding Tanks
Number Of Fresh Water Holding Tanks1
Total Fresh Water Tank Capacity 65.0 gal.
Number Of Gray Water Holding Tanks1
Total Gray Water Tank Capacity 90.0 gal.
Number Of Black Water Holding Tanks1
Total Black Water Tank Capacity 45.0 gal.
Specs for 2018 Heartland - Bighorn
Floorplan: BH 3870 FB
(Fifth Wheel)
Holding Tanks
Number Of Fresh Water Holding Tanks1
Total Fresh Water Tank Capacity 65.0 gal.
Number Of Gray Water Holding Tanks1
Total Gray Water Tank Capacity 90.0 gal.
Number Of Black Water Holding Tanks1
Total Black Water Tank Capacity 45.0 gal.
