It should have a drain valve installed on the feed line. If not...just put one in the line there.
__________________ "If it can't be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted then it should be restricted, redesigned or removed from production."
If the plumbing hasn't been monkeyed with, you should find three low point drain valves below the floor under the kitchen cabinet. One of those is the drain for the fresh water tank. Simply follow the feed line down from the water pump to the tank, and you should run into the valve.
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Meddle not in the affairs of dragons, for you are crunchy, and taste good with ketchup.
Terry
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