Klondyke wrote:Rdteth wrote:In fact, the pool pump can be used for the spa too. Once enjoying the whirls of the spa, the water pressure can be switched over to the spa system instead to the normal pool system. One of the positions of the 6-way valve is for whirlpool, then the pressure to the spa jets will be increased bypassing the sand
But would't you be pumping the "dirty" tankwater straight out the spa jetnozzles?
Firstly, I do not think that in the OF tank is a dirty water to be sucked by the pump. Should not - I wrote about it how to arrange the incoming water into the OF tank, in order not to whirl up the bottom dust).
Secondly, if it is the case, you close that intake and run only on the other intake(s) from the pool (same as you would run with the second pump anyway, wouldn't you?).
Description of the six-way valve of the sand filter:
Filtration to clean the pool water,
Cleaning the sand filter,
Rinsing the filter and piping after washing the sand filter,
Emptying the pool water (sewer),
Circulation of water without passing through the filter,
Closing the filtration system.
I don't quite understand the technique you are talking about or is it simply via the valves to channel some of the water on the spa circuit?