Jul 28

Cat Faucet parts

Cat Faucets are back in stock!

For those folks waiting for the out of stock cat faucet assembled units. I’ve got most of the parts orders out now. should be seeing those parts coming in within a week or two. Once that happens, I’ll assemble a few units and we should be ready to mark the assembled units “in stock” again.


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    • Angela on September 15, 2014 at 8:53 pm
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    I don’t see a price anywhere. Can you please give me a quote for the cat faucet? Is it covered with a warranty? I am very interested as the normal cat fountains that exist, my cat could care less about. Also could it work for a bathtub faucet? or the sink in the bathroom.

  1. Prices and store are over here: http://www.jenrathbun.com/Electronics/products-page/cat-faucet/ (click “Store” in the above tool bar)

    could be made to work with either a bathtub or bathroom sink. Bathroom sink is easier, that’s where mine is. Bathtub might be a bit more plumbing work as you’ve got to get connected to the water from someplace. Under the sink is easy. not sure where you’d connect to the water on a bathtub,

    • Jerry on January 15, 2015 at 10:07 pm
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    Can you give me more information on using cat faucet on a sink setting. Reply on Sept 15, 2014. I have a project build a hand washing station on a park setting with the intent to use a sensor instead of a normal manual valve. This will be very custom and I will fabricate a water spout out of stone with most likely copper inner piping for water flow. The only thing I have not pieced is the sensor/valve/power part down. I am very savvy on how to make things work. Can you please give me direction if this will work? I am willing to try.


    1. At it’s heart, cat faucet is an analog IR distance sensor with a ~10 range, a controller board using and ATTiny13 programmed in AVR GCC, which controls a 12V DC Solenoid based on the analog readings from the IR sensor. I have had some folks make use of this in a hand-wash setting, but they ended up running slightly different code. For the cat faucet, the code is attempting to get the most distance from the sensor while keeping the accidental triggers to a minimum. That means there is some delay between initial sense and turning on of the water. Hand-wash, they wanted faster response (but too, the distance is shorter). Also the cat faucet has code that keeps the water on for a short time after the cat leaves, just in case they didn’t really leave, just moved around. Saves cycling the water off/on and potentially scaring the cat away from the water. Hand wash, you might not want that hysteresis.

      The solenoid valve setup I’ve got is intended for 1/4″ tubing with push-in connectors, mainly as it’s easier to work with and by necessity the water flow is low. Hand-wash, you might want different solenoid. Different fittings / fitting sizes.

      The FET I’m using on the controller board is a Fairchild FDS89161LZ. It’s rated 2.7A 31W, but the normal cat faucet is only pushing a 1/3 of that. So might be able to use a larger (higher wattage) 12VDC solenoid, but I’ve not tested the upper limit. Much depends on the on/off duty cycle and how hot the FET gets.

      I can probably make individual components available, so you can custom make something. Shoot me an e-mail at electronics@jenrathbun.com

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