1. City Line Gas Pressure:

35 psig

2. Natural Gas Pressure Regulator At Home

3. Natural Gas Pressure Leaving the Pressure Regulator:

7.00 inches w.c.

0.2528 psig

0.5148 inches Hg

4. Natural Gas Furnace Maximum Gas Usage:

60,000 Btu/hr

5. Required Gas Pressure At The Furnace:

5.00 inches w.c.

0.1806 psig

0.3677 inches Hg

6. Natural Gas Properties:

Assumed Standard Natural Gas

HHV = 1040 Btu/ft3 at 60 F and 30.00 inches Hg

HHV = 22,708.49 Btu/lb

Specific Gravity = 0.60

7. Piping Length: 100 feet Equivalent (includes straight pipe and fittings)

B. Piping Analysis