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19Feb/21

Auto Filling Dog Bowl

A few months back we adopted a dog from AARCS animal rescue. To lessen some of the daily routine I invested in an automatic dog food dispenser. I was looking for a similar solution to ration out water and this is what i came up with.

Parts

  1. Easy clean water bowl: https://www.amazon.ca/gp/product/B00RAQBH54/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
  2. 12 Volt Timer https://www.amazon.ca/gp/product/B01MRWKVM0/ref=ppx_yo_dt_b_asin_title_o00_s01?ie=UTF8&psc=1
  3. Solenoid https://www.amazon.ca/gp/product/B01GL5P304/ref=ppx_yo_dt_b_asin_title_o00_s02?ie=UTF8&psc=1
  4. Sharkbite Connector to T into basement water line https://www.amazon.ca/gp/product/B016M169KU/ref=ppx_yo_dt_b_asin_title_o00_s01?ie=UTF8&psc=1
  5. Fittings to convert Solenoid to 1/4" https://www.amazon.ca/gp/product/B0773P7Z9Q/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1
  6. Fittings to convert Solenoid NPT to 1/4 OD https://www.amazon.ca/gp/product/B07XDWCDYM/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1
  7. Braded line upgrade (optional, I did not do this at first) https://www.amazon.ca/gp/product/B08QPTZWBW/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1
  8. 12 Volt power supply https://www.amazon.ca/BENSN-Compatible-Universal-Household-Electronics/dp/B082XRJ4LN/ref=sxin_9_ac_d_rm?ac_md=1-1-MTJ2IHBvd2VyIHN1cHBseQ%3D%3D-ac_d_rm&cv_ct_cx=12+volt+power+supply&dchild=1&keywords=12+volt+power+supply&pd_rd_i=B082XRJ4LN&pd_rd_r=a337a1a3-5456-48af-94b4-f6e8866fb0a3&pd_rd_w=Oh4U0&pd_rd_wg=ckefC&pf_rd_p=8642c3cb-9fcf-4c84-93d6-c72c3fa128ad&pf_rd_r=1WD2GHA7A46RS923QXVB&psc=1&qid=1614293201&sr=1-2-12d4272d-8adb-4121-8624-135149aa9081

These parts together will create a water bowl that you can schedule fill times on. Currently I have programed the bowl to fill at 7AM and then top up again at 9Am, 11Am, 1Pm, 3Pm, 5Pm. Each time the water fills for a period of 1 minute and then stops. The float inside the dish will stop the dish from overfilling.

This is what the timer and solenoid look like in the basement, I mounted everything to a metal plate and secured it to the wall beside my furnace.

If your interested in recreating this, here's the basic wiring diagram that also adds a 3 position override switch that allows the system to be bypassed on, bypassed off, or set to auto

Happy Puppy
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