Comment on Vigoro 3015V Sprinkler Timer Internals and Valve Design by Rob Starling.

Vigoro 3015V Sprinkler Timer Internals and Valve DesignHi and thanks for your fantastic teardown of your valve. I have a very similarly numbered unit, but the internals are different. Mine is the Melnor AquaTimer 3015_PRL_02 and the valve is much smaller and has a large visible coil, suggesting that it’s a solenoid instead of a geared DC motor. It also looks too small to have a diaphragm inside. Maybe it’s a toggling ball valve of some sort? Here’s a picture:

http://softshellcow.com/misc/melnor_aquatimer_3015_valve.jpg

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