The gas valve, pilot burner and nozzles for the main burner have been fitted according to the gas type
specified on the name plate. Technical specifications for the gas system are as follows:
Combither m
6•10
7•14
10•10
10•20
20•20
Gas Model
12•18
Natural Gas
Connected pressure rating
7 in. W.C.
7 in. W.C.
7
in W.C.
7
in W.C.
7
in W.C.
Min. connected pressure
5 in. W.C.
5 in. W.C.
5
in. W.C.
5
in. W.C.
5
in. W.C.
Max. connected pressure
14 in. W.C.
14 in. W.C.
14
in. W.C.
14
in. W.C.
14
in. W.C.
Nozzle pilot burner
—
—
—
—
—
Nozzle burner
220
315
280
400
400
Manifold pressure
3.5 in. W.C.
3.5 in. W.C.
3.5
in. W.C.
3.5
in. W.C.
3.5
in. W.C.
Gas Consumption
45 cu.ft/hr
81.9 cu.ft/hr
67 cu.ft/hr
112 cu.ft/hr
168.1 cu.ft/hr
Gross thermal output
45,500 Btu/hr
82,000 Btu/hr
68,000 Btr/hr
113,000 Btu/hr
170,000 Btu/hr
Propane Gas
Connected pressure rating
11 in. W.C.
11 in. W.C.
11
in. W.C.
11
in. W.C.
11
in. W.C.
Min. connected pressure
11 in. W.C.
11 in. W.C.
11
in. W.C.
11 in. W.C.
11
in. W.C.
Max. connected pressure
14 in. W.C.
14 in. W.C.
14
in. W.C.
14
in. W.C.
14
in. W.C.
Nozzle pilot burner
—
—
—
—
—
Nozzle burner
135
190
170
220
220
Manifold pressure
10 in. W.C.
10 in. W.C.
10
in. W.C.
10
in. W.C.
10
in. W.C.
Gas Consumption
17.7 cu.ft/hr
32.9 cu.ft/hr
26.5 cu.ft/hr
44.1 cu.ft/hr
66.5 cu.ft/hr
Gross thermal output
45,500 Btu/hr
82,000 Btu/hr
68,000 Btu/hr
113,000 Btu/hr
170,000 Btr/hr
1 . 1 3 - P R E S S U R E C H A R T
I n s t a l l a t i o n • S e c t i o n 1
Operation and Care Manual #6011 • 4
