How does a gas appliance's 1/2" flex line factor into gas pipe sizing and distance?

You can reduce greenhouse gas with higher energy factor > BUT< if water ... Hot pipe must go to side of heater marked HOT, and cold to COLD or heater will not work. ... Back of flex-line package has BTU chart to help select correct size gasline. ... and must be 1-2" wider on all sides than water heater so the pan does not  ...

The California Building Standards Code is published in its entirety every three ... of the California Building Standards Code do not apply to this edition without ... .. 320.0, [Not permitted for OSHPD 1, 2, 3 & 4] Medical Gas and Vacuum Systems, 47 ... . Part II, Sizing of Venting Systems Serving Appliances Equipped with Draft ... .

Chapters 1 , 2, and 3 as they apply to the use of Liquefied Petroleum Gas Systems not ... In cases of emergency a gas appliance may be turned on temporarily by the ... so that the labeling can be read from a normal line of vision when standing at the ... . factor is an important factor determining the correct gaspiping size to be ...