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Old 06-07-2014, 10:37 AM
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Wet_Boots Wet_Boots is offline
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Patent schmatent. Those in-use covers were unknown in the field back in the days of Disco music.

There may be another cost-effective way to work valve control, if battery technology improves, along with solar power tech. Since conventional valve solenoids have some ability to work on continuous DC, a battery-powered solar-recharged control system might become the norm.

Last edited by Wet_Boots; 06-07-2014 at 10:42 AM.
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