Natural Gas Pressure
Posted by Rob Dixon on November 30, 2001 at 09:45:06:
I am installing a tankless water heater and the required gas pressure is:
minimum - 7" w.c.
maximum - 14" w.c.
The manual also states later that the regulator provided is designed for low inlet pressure(less than 1/2 psig). I don't know what "w.c." stands for and I don't know how to determine the pressure of my natural gas supply. Any help on this would be greatly appreciated.


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