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- Oct 7, 2020
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So, I decided to send Jen Putzier an email and ask about the double pump, here is their response.
"Hi Tim,
the difference is this: The second pump acts as a primer for the main pump so that the main pump delivers oil on the first stroke and also upside down (at least once)."
"Hi Tim,
the difference is this: The second pump acts as a primer for the main pump so that the main pump delivers oil on the first stroke and also upside down (at least once)."