Ahh yes, I read it as water returning to the pump not continuing in the same direction. The non return valve won’t work as we all know 
Just love puzzles 
Worked like a charm
Haha great to hear it 
Ahh yes, I read it as water returning to the pump not continuing in the same direction. The non return valve won’t work as we all know
Just love puzzles
Worked like a charm
Haha great to hear it