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2319 Laurelbrook Street, Raleigh, NC 27604 · (800) 542-7221 · FAX (919) 834-4526 · www.ultimate-products.com
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Model Designation
Air Inlets
(Inches/ Millimeters)
Natural Gas
Orifice
Liquid Petroleum
Orifice
Input
KW
BTU/HR
Model Tube
Configuration
Tube Dia.
(In)
Burner Intake
(in. / M.M.)
Fan Inlet
(in. / M.M.)
Injector
Diameter
(inches )
Manifold
Pressure
(in.W.C.)
Injector
Diameter
(inches)
Manifold
Pressure
(in./mm)
S-20 3" 1.125"/29mm 1.312"/33mm 0.130" 1.9 0.080" 6.7
S-25 3" 1.125"/29mm 1.438" /37mm 0.130" 1.9 0.080" 6.7
S-30 3" 1.125"/29mm 1.438" /37mm 0.130" 1.9 0.080" 6.7
U-20 3" 1.125"/29mm 1.187/30mm 0.130" 1.9 0.080" 6.7
GH/ER/AL/SC 12/40,000
U-30 3" 1.125"/29mm 1.187/30mm 0.130" 1.9 0.080" 6.7
S-20 3" 1.312"/33MM 1.438"/37 MM 0.130" 3 0.080" 6.7
S-25 3" 1.125"/29 MM 1.438"/37 MM 0.130" 3 0.080" 6.7
S-30 3" 1.125"/29 MM 1.438"/37 MM 0.130" 3 0.080" 6.7
U-20 3" 1.312"/33MM 1.438"/37 MM 0.130" 3 0.080" 6.7
GH/ER/AL/SC 15/150000
U-30 3" 1.312"/33MM 1.312"/33 MM 0.130" 3 0.080" 6.7
S-20 3" 1.750"/44 MM 2.00"/50 MM 0.161" 2.4 0.098" 6.7
S-25 3" 1.312"/33 MM 1.438"/37 MM 0.161" 2.4 0.098" 6.7
S-30 3" 1.312"/ 33 MM 1.438"/37 MM 0.161" 2.4 0.098" 6.7
S-40 3" 1.312" /33 MM 1.438"/37 MM 0.161" 2.4 0.098" 6.7
S-20 3" 1.312" /33 MM 1.750"/44MM 0.161" 2.4 0.098" 6.7
S-30 3" 1.312" /33 MM 1.438"/37 MM 0.161" 2.4 0.098" 6.7
GH/ER/AL/SC 18/60,000
S-40 3" 1.312" /33 MM 1.312"/33MM 0.161" 2.4 0.098" 6.7
S-20 3" 1.750"/44 MM 2.625"/67 MM 0.161" 3.8 0.098" 10.5
S-25 3" 1.750"/44 MM 2.00"/50 MM 0.161" 3.8 0.098" 10.5
S-30 3" 1.750"/44 MM 2.00/50 MM 0.161" 3.8 0.098" 10.5
S-40 3" 1.750"/44 MM 1.75"/44MM 0.161" 3.8 0.098" 10.5
U-20 3" 1.750"/44 MM 2.625"/67 MM 0.161" 3.8 0.098" 10.5
GH/ER/AL/SC 22/75,000
U-30 3" 1.750"/44 MM 2.00/50 MM 0.161" 3.8 0.098" 10.5
U-40 3" 1.750"/44 MM 2.00/50 MM 0.161" 3.8 0.098" 10.5
S-40 4" 2.312"/59 MM 2.00"/50 MM 0.182" 4.9 1.20" 10
S-50 4" 2.312"/59 MM 2.00"/50 MM 0.182" 4.9 1.20" 10
S-60 4" 2.312"/59 MM 2.00"/50 MM 0.182" 4.9 1.20" 10
GH/ER/l/SC 29/100,000
U-35 4" 2.312"/59 MM 2.00"/50 MM 0.182" 4.9 1.20" 10
S-40 4" 2.312"/59 MM 2.625"/67MM 0.206" 4.9 0.136" 10
S-50 4" 2.312"/59 MM 2.625"/67MM 0.206" 4.9 0.136" 10
S-60 4" 2.312"/59 MM 2.625"/67MM 0.206" 4.9 0.136" 10
GH/ER/AL/SC 38/130,000
U-35 4" 2.312"/59 MM 2.625"/67MM 0.206" 4.9 0.136" 10
S-40 4" 2.312"/59 MM 4.00"/100MM 0.228" 4.6 0.149" 10
S-50 4" 2.312"/59 MM 4.00"/100MM 0.228 4.6 0.149" 10
S-60 4" 2.312"/59 MM 4.00"/100MM 0.228 4.6 0.149" 10
SC/ER/GX
44/150,000
U-35 4" 2.312"/59 MM 4.00"/100MM 0.228 4.6 0.149" 10