[TheForge] Gas heater question

[CGRAF]

spell checker ting over... I'll bet column

Mike Graf

On 11/21/2013 10:10 PM, Mike Spencer wrote:
>
> On 11/20/13, 9:19 AM, Paul Sperbeck wrote:
>
>> What pressure is your natural gas delivered at? I needs to be around
>> 7" of water coulomb or 1/4 PSI.
>
> I understand inches of water as a pressure measurement.
>
> So what are "inches of water coulomb" to which you refer twice?
>
> Curious,
> - Mike
>