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9/18 IOM-DOAS
Model Series 33SZ Replacement Parts
Unit Size
Fan Size
Fan Part No.
HP
EON Motor Part No.
30
11 x 4R
H1-2427
1/2
H1-2269U
40
9 x 7R
H1-0900
1/2
H1-2269
50
10 x 10T
H1-0903
3/4
H1-2270
Unit Size
Inlet Size
Primary Damper Valve
Part No.
Diamond Flow
Sensor
Diamond Flow Sensor
Part No.
10, 30, 40, 50
4"
VH1-1119
3/16" O.D. tube
V1104
10, 30, 40, 50
5"
VH1-1119
3/16" O.D. tube
V1105
10, 30, 40, 50
6"
VH1-1119
3/16" O.D. tube
V1106
30, 40, 50
8"
VH1-1107
3/16" O.D. tube
V1108
40, 50
10"
3/16" O.D. tube
V1110
40, 50
12"
3/16" O.D. tube
V1112
Unit Size
Filter Type
Filter Part No.
1" Throwaway
H1-2506
30
2" Merv 8
H1-2507
2" Merv 13
H1-2508
1" Throwaway
H1-2509
40
2" Merv 8
H1-2510
2" Merv 13
H1-2511
1" Throwaway
H1-2512
50
2" Merv 8
H1-2513
2" Merv 13
H1-2514
Airflow Switch
Part No.
AFS
H1-235
AFS Probe, 4"
H1-242
AFS Probe, 8"
H1-245
EON Control Cards
Part No.
EPIC™ Single Motor Card
H1-2272
EPIC™ Single Motor Card w/
Fan Status & Electric Heat Relays
H1-2272A
Pneumatic FR Tubing (1/4" O.D.)
Part No.
Black
VB3-066
Blue stripe
VB3-068
Red stripe
VB3-067
Tee For Sensor Tap
Part No.
Barbed, 1/8"
VB3-058
Cap For Sensor Tap
Part No.
Rubber, for 1/8" Tee
VB3-059
Fan Motor Fuses
Part No.
250V, 15A
VH1-320
250V, 20A
VH1-321
600V, 15A
VH1-329
600V, 3A
VH1-0011
600V, 5A
VH1-965
600V, 8A
VH1-967