TM 5-3895-374-24-2
FUEL REQUIREMENTS
Natural Gas:
The gas supply shall have a gas regulator (supplied by customer) within three feet of the burner. This
regulator shall supply the burner with a pressure of no more than 6½ ounces per square inch (11" W.C.).
The size of the supply pipe shall be:
Model CEI-500
1
inch
CEI-800
1¼
inches
CEI-1000
1¼
inches
CEI-1500
2
inches
CEI-2000
2
inches
CEI-3000
2
inches
CEI-4000
2
inches
CEI-IHS
1¼
inches
L.P. Gas:
The gas supply shall be connected to the vapor side of the L.P.G. storage tank. Never connect to the
discharge side of a high temperature vaporizer (over 90 F). A high pressure regulator (supplied by
customer) shall be installed at the connection to the storage tank to supply no more than fifteen PSI to the
low pressure regulator (supplied by customer) installed within three feet of the burner. This low pressure
regulator shall supply the burner with a pressure of no more than 6½ ounces per square inch (11" W.C.).
The size of the supply pipe from the storage tank shall be:
Model
CEI-500
1
inch
CEI-800
1¼
inches
CEI-1000
1¼
inches
CEI-1500
2
inches
CEI-2000
2
inches
CEI-3000
2
inches
CEI-4000
2
inches
CEI-IHS
1¼
inches
No. 2 Fuel Oil:
The oil supply tank shall be no more than ten feet above or below the oil pump on the burner. The fuel oil
pipes shall be a minimum of 3/8" I.D. for both supply and return. However, if the distance to the supply tank
is over twenty feet, the pipe size should be increased to at least 1/2" I.D. CAUTION : Burning a fuel oil
heavier than #2 can cause fuel oil pump problems and clogging of the oil
page 3-925
