Refer to the whole house gas piping drawing. The minimum demand of typical gas appliances at the end of this booklet. All of the appliances use the minimum demand sizes in the code except for the furnace which is 110,000 Btuh and a water heater which is 40 gallon. Gas pressure is .5 psig. pressure drop is .5″ WC. Specific gravity is .60. Btu per CF is 1000. What is pipe size at the meter?

Refer to the whole house gas piping drawing. The minimum demand of typical gas appliances at the end of this booklet. All of the appliances use the minimum demand sizes in the code except for the furnace which is 110,000 Btuh and a water heater which is 40 gallon. Gas pressure is .5 psig. pressure drop is .5″ WC. Specific gravity is .60. Btu per CF is 1000. What is pipe size at the meter?