New Directions: please read.
FOR BEST RESULTS:

• You do not have to fill in all fields. The more fields you use the more accurate your results.
• Results dynamically change as you move from field to field.
• Start with the basic information from the top, down. Use the Advanced options for specific results.
• Please use decimals when entering fractions.
• Do not use commas.
• 1 CF of natural gas = 1000 BTU
• 1 CF of LP/propane = 2500 BTU
• Minimum Inlet Pressure as measured at the regulator