I'd like to find the same type of timer for my system, except 2 minutes on, 15 minutes off. I'm using a pump from Surplus Center, part # 2-924 that works pretty good. It only draws 1.8 amps on 12v, but it's not made for continuous use. Since it's a sealed unit & also made to be submersable, the housing could be drilled for some much-needed air cooling to prevent premature failure. Let me know if you find anything (cheap) for a 12v timer.
Rural McG
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