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13
V E N T - F R E E G A S H E A T E R S E R V I C E M A N U A L
7
S E C T I O N
SPECIFICATIONS
MODELS
VP1600
VP1600T
VP2600
VP2600T
VP1600A
VP1600TA
VP2600A
VP2600TA
VP1600B
VP2600B
Gas Type
LP Only
LP Only
LP Only
LP Only
Inlet Gas Pressure (Inches W.C.)
Maximum
14"
14"
14"
14"
Minimum
11"
11"
11"
11"
Supply Line
3/8" or greater 3/8" or greater 1/2" or greater 1/2" or greater
Inlet Fitting Size
1/2" NPT
1/2" NPT
1/2" NPT
1/2" NPT
Regulator Pressure (Inches W.C.)
Maximum
8.2"
8.2"
8.2"
8.2"
Minimum
7.8"
7.8"
7.8"
7.8"
Control Valve Type
Manual
Manual with
Manual
Manual with
Thermostat
Thermostat
Manifold Pressure (Inches W.C.)
Maximum
7.9"
7.9"
7.9"
7.2"
Minimum
7.5"
7.5"
7.5"
6.8"
Burner Orifice Diameter
.028" (#70 drill) .028" (#70 drill) .028" (#70 drill) .028 "(#70 drill)
Burner Orifice Diameter (B Model) .042" (#58 drill)
.042" (#58 drill)
BTU/HR Output
Maximum
16,000
16,000
26,000
26,000
Minimum
6,000
6,000
6,000
11,000
Fresh Air Opening (Minimum)
16 sq. in.
16 sq. in.
26 sq. in.
26 sq. in.
MODELS
VN1800
VN1800T
VN3000
VN3000T
VN1800A
VN1800TA
VN3000A
VN3000TA
VN1800B
VN3000B
Gas Type
Natural Only
Natural Only
Natural Only
Natural Only
Inlet Gas Pressure (Inches W.C.)
Maximum
10.5"
10.5"
10.5"
10.5"
Minimum
7"
7"
7"
7"
Supply Line
3/8" or greater 3/8" or greater 1/2" or greater 1/2" or greater
Inlet Fitting Size
1/2" NPT
1/2" NPT
1/2" NPT
1/2" NPT
Regulator Pressure (Inches W.C.)
Maximum
6.2"
6.2"
6.2"
6.2"
Minimum
5.8"
5.8"
5.8"
5.8"
Control Valve Type
Manual
Manual with
Manual
Manual with
Thermostat
Thermostat
Manifold Pressure (Inches W.C.)
Maximum
5.5"
5.5"
5.2"
5.2"
Minimum
5.1"
5.1"
4.8"
4.8"
Burner Orifice Diameter
.041" (#59 drill) .043" (#57 drill) .043" (#57 drill) .043 "(#57 drill)
Burner Orifice Diameter (B Model) .042" (#58 drill)
.042" (#58 drill)
BTU/HR Output
Maximum
18,000
18,000
30,000
30,000
Minimum
6,600
6,600
6,600
12,000
Fresh Air Opening (Minimum)
18 sq. in.
18 sq. in.
30 sq. in.
30 sq. in.