Intex pool hose splitter

I have an Intex Easy Set pool and I want to heat it.
How? Using my bbq: I made a heat-exchanger from a copper pipe to put on the bbq and I will run the water from the pump through this heat-exchanger and back in the pool.
This splitter is needed after the pump to divert a part of the water through your garden hose to the bbq.

This is a piece which will fit after the pump: on exit will connect the normal hose, the other can be used to connect a 16mm (exterior) garden hose.

To optimize the flow, the garden hose is inserted into the printed piece, to not loose any diameters on that side.
Also the intersection is optimized for the water flow.

ATTENTION: this is a work in progress, this has not been tested yet.
And even when it will be tested and completed: running water over the bbq is DANGEROUS. Keep your kids away from the bbq and make sure the pump keeps running when doing this, else you get steam in this pipe and this can have nasty consequences for your pool and eve