Exterior Dimensions
Duct Dimensions
* Approximate
Model
A
B
C
D
E
F
G
K
L
Q
P
Weight (lbs)
ERV-251
46
34
27
16
8
10
16
6
3
/
4
7
10
16
250
ERV-361
62
51
34
15
15
18
18
8
3
/
8
11
1
/
2
19
18
750
ERV-521
67
67
44
18
15
24
24
10
3
/
4
13
1
/
2
26
26
1200
ERV-581
75
70
67
16
22
22
27
16
18
3
/
4
28
48
1450
MODELS ERV-251, ERV-361, ERV-521 AND ERV-581
Arrangement A
A
B
C
Outdoor Air Inlet
Q x P
Exhaust Air Discharge
L x K
Outdoor Air Discharge
L x K
Exhaust Air Inlet
F x G
C
B
A
D
E
Arrangement B
Exhaust Air Inlet
F x G
Outdoor Air Discharge
L x K
Intake Hood
Exhaust Hood
C
B
A
D
E
Arrangement C
Exhaust Hood
Intake Hood
Exhaust Air Inlet
F x G
Outdoor Air Discharge
L x K
Exhaust Air Inlet
F x G
Outdoor Air Discharge
L x K
Intake Hood
C
B
A
D
E
Arrangement D
Exhaust Hood
All dimensions shown are in inches.
DIMENSIONAL DATA
8
* Weight dependent on components and accessories.
