| http://www.w3.org/ns/prov#value | - terrupting the electric power supply output to said valve including a code actuated switching means; a control box for said switching means including a removable panel; an electric lock for releasably coupling said panel to said control box; said lock having a movable plunger releasably connecting said panel to the remaining portions of said box and having a plunger operating solenoid for moving s
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