Quote:
Originally Posted by TheNewGuy
i am a happy user of this dosing pump as well. one question i have is with 3 rollers on the dosing head, the rubber line is always pinched at one or more points, so even without a check valve there shold be no possible way of siphoning happening or fluid motion of any sort without the dosing head turning, right?
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I found out last night that without the valves my lines drained back into the bottles.