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Thermal Vacuum Valve

  1. Remove valve from manifold and attach hoses to 2 lower ports. Cap upper port on valve. Submerge valve in container of water.
    CAUTION: Do not let water enter valve.
  2. With water temperature below 50° F (10° C), valve should be completely closed and air should not pass through hoses. With water above 68° F (20° C), valve should be completely open. If valve does not operate properly, replace it.
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