This assembly brings together two Four Channel DrumCam Valve and an off-the-shelf peristaltic pump to provide distribution from 3 reservoirs to 4 'targets' (on the input side, I limited it to three reservoirs to leave one input as an air input to be able to clear lines. It doesn't have a very high flow rate, but it's more than enough for the tomato and pepper plants that it's currently feeding in my setup. 

The base of the assembly is the HydrationStationMount.stl printed part. It is secured to the t-slot aluminum extrusion with (up to) four, m5x10 BHCS fasteners (and some companion m5 t-nuts). 

The peristaltic pump attaches to the base with m3 heat set inserts and some m3 BHCS (or the head of your choosing).

The Four Channel DrumCam Valves attach to the base with four (2 each, only the bottom two sets of holes are used. It's plenty :) ) m5x16 BHCS fasteners fixed to the base with m5x9.5 heat set inserts.

One unfortunate design decision, realized too late, is that you can't access the fasteners for the attachment to the extrusion with the valves attached...sorry :/, but also...not a bit enough thing to feel like bothering to change it....so not THAT sorry I guess

 

 

 

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