Agree with wdchuck in all respects. Our unit has worked very well. It is hooked to 800+ taps. Our unit is programmed a bit differently than normal -- since we wanted to be able to try it with a lower number of taps than recommended it is programmed to pulse more than normal (so the level goes up and down more than usual, usually it is stable level/flow). Other than that, it just chugs along all the time. We have it running alongside our conventional electric releaser.
We're trying it because by having several of these (each with a flow meter) we could segregate portions of our bush better to be able to measure sap flow from different sections for comparison purposes. Seems to be working well and it's likely we'll get another 3-5 of them for next season. Dean and Andy at Northwoods LLC have been very easy to work with and accommodating of our many questions and requests.
Video at https://youtu.be/7Y_u_OuCCEo Line on the right is the wet line, on the left is the dry line
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