I've been doing a lot of reading, learning quite a bit, and thought it was about time I ask for help to clarify and confirm.
1. The limiting factor of output of a Banjo burner on natural gas is the air Shutter, correct? We could in theory have a larger orifice for higher volume of Natural Gas and higher BTU/hr, but there is a limit as to how much air can be through the shutter to allow the proper mixture.
2. How big of a supply hose would I need to ensure that the supply hose is not the bottleneck for 2 burners? A 10 foot 3/8" ID hose would have too much pressure drop to supply the volume needed over a 10 foot run, correct, so I need to look at 1/2"?
3. My houses natural gas regulator seems to be adjustable from 7" to 11"WC. I only have a hot water heater and a furnace hooked up to NG, and they are in the same room as the regulator. Any reason not to turn it all the way up to 11"WC to increase the potential BTU output of the burners?