Puzzdre!!, that's what I was thinking!, except have both outlets entering side by side, saves making two of them, there may have to be a lip between them, or have them both countersunk in abit, to stop the pressure from the 'good' one 'swirling' the flap up on the 'bad' one.
If the two outlets are side by side on the pump it could be 'built on' to the pump somehow. No!, scratch that!, I think a bit of distance from the pump is important to stop the impellor lifting the weak side, allow a distance for the pressure to diminish, the further H2o travels along the two tubes the greater the difference between the two heads becomes...
G~mat!, It'd be nice to have a 'passive' one, one that works on a 'slight' negative bouyancy of the ball and the backpressure, rather than a spring...
Last edited by MadDogMe; 10-28-2002 at 09:26 AM.
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