The Planted Tank Forum - View Single Post - Metering(needle) valves selection for our CO2 pressurized system
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post #236 of (permalink) Old 02-16-2013, 05:01 AM
creekbottom
Planted Tank Enthusiast
 
Join Date: Apr 2012
Location: Edmonton, Canada
Posts: 818
Quote:
Originally Posted by Bettatail View Post
To wire, any Din connector Form B, (or burkert part number 2507), and a computer power cable.



That is what I'm trying to wire right now. However... I don't know which post is positive or negative. They are only labelled 1 and 2. The ground is clearly labelled.

Which one is which?

Last edited by creekbottom; 02-16-2013 at 05:05 AM. Reason: IDIOCY
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