True

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Moderator Post (s) for this thread: > Experience by cellarwater on 12/30/2004 > Air Gap by LonnythePlumber on 12/30/2004 > Now by cellarwater on 12/30/2004 > Freeze Inside? by LonnythePlumber on 12/30/2004 > Stand pipe by cellarwater on 12/31/2004 > Screen by LonnythePlumber on 12/31/2004 > Stand it up by cellarwater on 12/31/2004

right, the water insde won't freeze. Un less the pipes are or can be pitched out of the house so they'll drain out at the end of the pump cycle one can be used. Again using 6 to 8 feet of pipe to get out of the house there's about a gallon of water left. When a pump cycle drains 10 to 100 gallons of water the gallon of water the backwash is minimal and doesn't justify the valve. C.