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Model |
NL3-121 |
NL3-149 |
NL3-160 |
NL3-177 |
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B.T.U.H. Input (usgph) |
139,400 |
174,250 |
188,190 |
209,100 |
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B.T.U.H. Output |
121,000 |
149,000 |
160,000 |
177,000 |
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A.F.U.E. rating (ETL) |
83 |
81 |
82.1 |
80.4 |
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Burner |
Aero HF-US-3 or BECKETT AFG-AF81YYHS |
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Insertion |
7-7/8" |
7-7/8" |
7-7/8" |
7-7/8" |
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Nozzle: Delevan 70 |
1 |
1.25 |
1.35 |
1.5 |
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Nozzle: Monarch 70 |
1 |
1.25 |
1.35 |
1.5 |
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Pump Pressure psi |
100 |
100 |
100 |
100 |
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Burner |
Riello R40-F5-10 |
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Insertion |
7.75" T.F. Insertion plus Ceramic Sleeve |
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Nozzle: Delevan 60 B/A/W |
0.85 |
1 |
1.1 |
1.25 |
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Pump Pressure psi |
145 |
150 |
150 |
145 |
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Approximate Air Gate Setting |
2.1 |
2.65 |
2.82 |
3.5 |
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Min. Over-Fire Pressure "W.C. |
-0.005 |
-0.005 |
-0.005 |
-0.005 |
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Min Flue Pipe Pressure "W.C. |
-0.02 |
-0.02 |
-0.02 |
-0.02 |
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FilterSize (Quantity) |
16"x 25"(1) |
16"x 25"(1) |
16"x 25"(1) |
16"x 25"(1) |
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20"x 25"(1) |
20"x 25"(1) |
20"x 25"(1) |
20"x 25"(1) |
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CFM (Heating) |
1500 |
1800 |
1950 |
2100 |
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Belt Drive Models |
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@ 0.20" W.C.Static Pressure |
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Blower Type |
Delhi-G12 or Lau-A12-12 or Torin-BC 1220 |
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Blower Motor |
1/2 hp |
1/2 hp |
1/2 hp |
1/2 hp |
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Motor Pulley V.S. |
3-1/4" |
3-1/4" |
3-1/4" |
3-1/4" |
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Blower Pulley |
8" |
8" |
8" |
8" |
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Pulley Turns Open |
4-1/2 |
3 |
2 |
1 |
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Belt Size |
1/2"x 47" |
1/2"x 47" |
1/2"x 47" |
1/2"x 47" |
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@ 0.50" W.C.Static Pressure |
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Blower Type |
Delhi G-12 (See note B. below) |
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Blower Motor |
3/4 hp |
3/4 hp |
3/4 hp |
3/4 hp |
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Motor Pulley V.S. |
3-1/2" |
3-1/2" |
3-1/2" |
3-1/2" |
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Blower Pulley |
7" |
7" |
7" |
7" |
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Pulley Turns Open |
3-1/2 |
2 |
2 |
1 |
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Belt Size |
1/2"x 46" |
1/2"x 46" |
1/2"x 46" |
1/2"x 46" |
Notes:
A. At 1.50 gph Nozzles LAV and Torin Blowers require 3/4 hp motor
B. For 0.50" W.C. Static Pressure use Delhi Blower 3/4 hp motor
FOOTPRINT
| Model | NL3 |
| A Length | 54 1/2" |
| B Width | 24" |
| C Height | 46" |
| D&E Return Air Plenum | 24" x 24" |
| D&J Return Air Plenum | |
| E&F Warm Air Plenum | 24" x 23 3/4" |
| G Flue Pipe Dia. | 7" |
| H Floor to Centre of Flue Pipe | 39" |
| T Width of Filter Rack | |
| Overall Length, including Burner & Flue Pipe | 66" |
| Between Plenums | 4 1/2" |
