What
is the difference between the GM and the GMPT?
Both
utilize the same basic pump and motor, however the GMPT has
a built-in accumulator tank which allows small quantities of
water (up to 8 oz.) to be drawn from the system without the
pump starting. It smoothes out the flow of water and increases
the life of the pump and motor.
The
GM is a demand-type pump that doesn't have an accumulator tank
- when the tap is opened the pump comes on; when the tap is
closed the pump stops. GM series super Galley Mate pumps may
have an in-line accumulator tank added (Raritan #PT or equivalent).
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