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Waste Oil Heater => Waste Motor Oil => Topic started by: brad594 on November 25, 2020, 01:46:57 pm

Title: tank to pump vacuum
Post by: brad594 on November 25, 2020, 01:46:57 pm
I have a Lanair MX300.The line from the tank to the pump, should it be holding a steady vacuum in the line even when the pump is not running?