Draft Inducers
Field Draft Inducers solve the drafting problems caused by short chimneys, undersized vent pipes and negative building pressures.
Draft Inducers are designed for easy installation in a wide variety of applications, including oil or gas-fired furnaces, water heaters, and boilers. For venting single or multiple appliances, use a control kit.
When to use a Draft Inducer
• Long horizontal vent runs
• Undersized vent pipes
• Short chimneys
• Outside exposed chimney
How Draft Inducers Work
1. Thermostat calls for heat.
2. Control Kit (A) energizes Draft Inducer (B).
3. Draft Inducer forces air flow in chimney, creating negative pressure in burner chamber.
4. Once negative pressure (draft) is established, the Control Kit allows the burner (C) to start.
5. When the thermostat is satisfied, the Control Kit shuts down the burner and the Draft Inducer.
|
| Sizing Chart |
| Gas-Firing with
Draft Hood |
Gas-Firing with
Barometric Draft Control |
Oil or Coal-Firing with
Barometric Draft Control |
| Input (BTU/HR) |
Pipe Dia. (IN) |
Draft Inducer (Model) |
Static Pressure (IN W.C.) |
Flow (CFM) |
Input (BTU/HR) |
Pipe Dia. (IN) |
Draft Inducer (Model) |
Static Pressure (IN W.C.) |
Flow (CFM) |
Max. Input per GPH |
Pipe Dia. (IN) |
Draft Inducer (Model) |
Static Pressure (IN W.C.) |
Flow (CFM) |
69,000
105,000
111,000
120,000 |
3
4
5
6 |
DI-1 |
.04
.04
.06
.05 |
47
72
75
82 |
69,000
105,000
118,000
123,000 |
3
4
5
6 |
DI-1 |
.05
.05
.06
.05 |
36
55
65
68 |
.5
.7
.9
.95 |
3
4
5
6 |
DI-1 |
.05
.05
.05
.04 |
36
48
67
68 |
279,000
308,000
330,000
353,000 |
5
6
7
8 |
DI-2
|
.06
.07
.11
.07 |
190
210
225
240 |
300,000
340,000
364,000
390,000 |
5
6
7
8 |
DI-2
|
.07
.08
.09
.06 |
156
176
189
200 |
2
2.5
2.75
3 |
5
6
7
8 |
DI-2 |
.06
.07
.08
.05 |
156
175
200
215 |
522,000
674,000
694,000
835,000 |
8
9
10
12 |
DI-3 |
.18
.15
.12
.08 |
355
458
472
568 |
683,000
880,000
908,000
1,092,000 |
8
9
10
12 |
DI-3 |
.15
.13
.10
.06 |
355
458
472
568 |
5
6
6.5
7.5 |
8
9
10
12 |
DI-3 |
.13
.11
.09
.06 |
355
458
472
568 |
900,000
1,250,000
1,400,000
1,800,000 |
10
12
14
16 |
DI-4 |
.18
.20
.19
.15 |
612
850
952
1,224 |
1,177,000
1,635,000
1,831,000
2,300,000 |
10
12
14
16 |
DI-4 |
.15
.17
.16
.13 |
612
850
952
1,224 |
8.5
11
13
17 |
10
12
14
16 |
DI-4 |
.13
.14
.13
.10 |
612
850
952
1,224 |
2,000,000
2,200,000
2,400,000
2,800,000 |
14
16
18
20 |
DI-5 |
.14
.18
.10
.09 |
1,224
1,500
1,632
1,900 |
2,350,000
2,885,000
3,140,000
3,654,000 |
14
16
18
20 |
DI-5 |
.12
.15
.09
.08 |
1,224
1,500
1,632
1,900 |
17
21
22
26 |
14
16
18
20 |
DI-5 |
.10
.13
.07
.06 |
1,224
1,500
1,632
1,900 |
Note: Pressure switch required according to NFPA code.
Not for sidewall venting.
|
 |
| Specifications |
| Unit Dimensions (inches) |
Electrical Data |
| Model |
L |
W |
D |
X |
Y |
Volts |
Hz |
RPM |
Watts |
Amps |
Thermal Protection |
| DI-1 |
8 3/32 |
8 13/16 |
5 17/32 |
2 5/8 |
7 |
115 |
60 |
1550 |
33 |
.43 |
yes |
| DI-2 |
9 7/16 |
9 3/16 |
6 7/16 |
3 |
8 3/8 |
115 |
60 |
1550 |
78 |
1.1 |
yes |
| DI-3 |
12 9/16 |
10 1/8 |
9 |
3 3/4 |
11 3/4 |
115 |
60 |
1725 |
186 |
3.9 |
yes |
| DI-4 |
12 9/16 |
14 3/16 |
9 |
7 |
11 3/4 |
115 |
60 |
1725 |
440 |
5.0 |
yes |
| DI-5 |
12 9/16 |
16 3/16 |
9 |
9 |
11 3/4 |
115 |
60 |
1725 |
560 |
5.7 |
yes |
|
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