It's 11 inches of water, properly called 11 inches of Water Column (W.C.).

27.5 inches of W.C. is approximately 1 psi ( pound per square inch), so 11
inches W.C = 0.4 psi

1 Bar = 14.4 psi. so that makes 11 in W.C = 0.028 Barr

Note that 1 Bar = 1000 m Bar (milli Bar).

----- Original Message -----
From: "Stebbins" <stebbins@AUCEGYPT.EDU>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Sunday, November 19, 2000 1:23 AM
Subject: 11 in. pressure = how many Bars - part 2

> I just found  Inches of pressure to Bars conversion (under
> the http://www.unitwiz.com/index.html  "pressure" sidebar).
>
> But are we talking 11 inches of WATER or 11 inches of
> MERCURY to run the Westy fridge???  I assume water as that
> is what all of the posts in the archives talk about.
>
> Sorry for the preceding ignorant post.  Malcolm
>