UHA S
TANDARD
U
NIT
H
EATER
I
NSTALLATION
O
PERATION
AND
S
ERVICE
M
ANUAL
48 of 51
16.2 General Technical Data Table
*Do not exceed the maxim
u
m length of fl
u
e stated or heater may not operate properly.
16.3 Technical Data Table
Model
UHA[X][S]
150
UHA[X][S]
175
UHA[X][S]
200
UHA[X][S]
225
UHA[X][S]
250
UHA[X][S]
300
UHA[X][S]
350
UHA[X][S]
400
A
in
(cm)
42.4
(107.7)
42.4
(107.7)
42.4
(107.7)
42.4
(107.7)
42.4
(107.7)
52.3
(132.8)
52.3
(132.8)
52.3
(132.8)
B
in
(cm)
26.7
(67.8)
26.7
(67.8)
35.0
(88.9)
35.0
(88.9)
35.0
(88.9)
43.2
(109.7)
43.2
(109.7)
43.2
(109.7)
C
in
(cm)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
D
in
(cm)
17.6
(44.7)
17.6
(44.7)
17.6
(44.7)
17.6
(44.7)
17.6
(44.7)
24.7
(62.7)
24.7
(62.7)
24.7
(62.7)
E
in
(cm)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
F
in
(cm)
30.0
(76.2)
30.0
(76.2)
32.0
(81.3)
32.0
(81.3)
32.0
(81.3)
30.0
(76.2)
30.0
(76.2)
30.0
(76.2)
G
in
(cm)
6.0
(15.2)
6.0
(15.2)
6.0
(15.2)
6.0
(15.2)
6.0
(15.2)
7.0
(17.8)
7.0
(17.8)
7.0
(17.8)
H
in
(cm)
8.6
(21.8)
8.6
(21.8)
8.3
(21.1)
8.3
(21.1)
8.3
(21.1)
11.2
(28.4)
11.2
(28.4)
11.2
(28.4)
J
in
(cm)
15.3
(38.9)
15.3
(38.9)
17.2
(43.7)
17.2
(43.7)
17.2
(43.7)
13.8
(35.1)
13.8
(35.1)
13.8
(35.1)
K
in
(cm)
3.4
(8.6)
3.4
(8.6)
3.4
(8.6)
3.4
(8.6)
3.4
(8.6)
6.2
(15.7)
6.2
(15.7)
6.2
(15.7)
L
in
(cm)
5.9
(15.0)
5.9
(15.0)
5.9
(15.0)
5.9
(15.0)
5.9
(15.0)
8.7
(22.1)
8.7
(22.1)
8.7
(22.1)
M
in
(cm)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
N
in
(cm)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
Model
UHA[X][S]
150
UHA[X][S]
175
UHA[X][S]
200
UHA[X][S]
225
UHA[X][S]
250
UHA[X][S]
300
UHA[X][S]
350
UHA[X][S]
400
F
u
ll Load Amps @ 120 V
A
10.6
10.6
10.6
10.6
10.6
11.6
11.6
11.6
Air Vol
u
me
CFM
3500
3500
3716
3716
3716
4663
4663
4663
Flue and Air Intake
Fl
u
e Intake Size
in (cm)
4 (10)
4 (10)
4 (10)
4 (10)
4 (10)
4 (10)
4 (10)
4 (10)
Air Intake Size
in (cm)
4 (10)
4 (10)
4 (10)
4 (10)
4 (10)
5 (13)
5 (13)
5 (13)
*Maxim
u
m Straight
Fl
u
e/Air Intake
ft (m)
40 (1)
40 (1)
40 (1)
40 (1)
40 (1)
40 (1)
40 (1)
40 (1)
Weight (Net)
lbs
(kg)
217
(98.4)
237
(107.5)
255
(115.7)
265
(120.2)
270
(122.5)
355
(161.0)
375
(170.1)
375
(170.1)
Model
UHA[X][S]
150
UHA[X][S]
175
UHA[X][S]
200
UHA[X][S]
225
UHA[X][S]
250
UHA[X][S]
300
UHA[X][S]
350
UHA[X][S]
400
Total Inp
u
t
(Bt
u
/h) x (1000)
150
175
200
225
250
300
350
385
Total O
u
tp
u
t
(Bt
u
/h) x (1000)
123
143.5
164
184.5
205
246
287
315.7
Efficiency
%
82
82
82
82
82
82
82
82
Natural Gas (G20) Data - Inlet Pressure 5.0 in wc Min., 14 in wc Max.
B
u
rner Press
u
re
in
w
c
3.2
3.4
3.7
3.7
4.0
2.7
2.7
3.3
LPG / Propane (G31) Data - Inlet Pressure 12.0 in wc Min., 14 in wc Max.
B
u
rner Press
u
re
in
w
c
9.9
10.4
10.5
10.7
10.5
9.4
9.3
11.1