Bradford White UPV Series Service Manual page 7

Ultra low nox through-the-wall gas water heaters
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Vent Tables
Venting Specifications for:
URG1PV40S, URG2PV40T URG1PV50S, URG2PV50T
Terminating
Elevation of installation
above sea level ft (m)
Through the Wall
Through the Wall
Through the Wall
Through the Wall
Through the Roof
Through the Roof
Through the Roof
Through the Roof
Through the Wall
Through the Wall
Through the Wall
Through the Wall
Through the Wall
Through the Roof
Through the Roof
Through the Roof
Through the Roof
Through the Roof
Terminating
Elevation of installation
Through the Wall
Through the Wall
Through the Wall
Through the Wall
Through the Wall
Through the Roof
Through the Roof
Through the Roof
Through the Roof
Through the Roof
TABLE 1 - VENT CONNECTOR LENGTHS
FOR 2 in (5.1 cm) DIAMETER VENT PIPE
# of
Minimum
Elbows
Straight
(excl. vent
Length
terminals)
ft (m)
0-10100
(0-3079)
1
2 (0.6)
2
2 (0.6)
3
2 (0.6)
4
2 (0.6)
0
7 (2.1)
1
7 (2.1)
2
7 (2.1)
3
7 (2.1)
TABLE 2 – VENT CONNECTOR LENGTHS
FOR 3 in (7.6 cm) DIAMETER VENT PIPE
# of Elbows
Terminating
(excl. vent
terminals)
Elevation of installation
above sea level ft (m)
1
2
3
4
5
0
1
2
3
4
TABLE 3 – VENT CONNECTOR LENGTHS
FOR 4 in (10.1 cm) DIAMETER VENT PIPE
# of Elbows
(excl. vent
terminals)
above sea level ft (m)
1
2
3
4
5
0
1
2
3
4
Maximum
Straight
Length
ft (m)
0-2000
2001-5400
(0-610)
(610-1646)
45 (13.7)
35 (10.7)
40 (12.2)
30 (9.1)
35 (10.7)
25 (7.6)
30 (9.1)
20 (6.1)
50 (15.2)
40 (12.2)
45 (13.7)
35 (10.7)
40 (12.2)
30 (9.1)
35 (10.7)
25 (7.6)
Minimum
Straight Length
Straight Length
ft (m)
0-10100
(0-3079)
10 (3.1)
10 (3.1)
10 (3.1)
10 (3.1)
10 (3.1)
15 (4.6)
15 (4.6)
15 (4.6)
15 (4.6)
15 (4.6)
Minimum
Straight Length
Straight Length
ft (m)
0-10100
0-2000
(0-3079)
(0-610)
10 (3.1)
195 (59.4)
10 (3.1)
190 (57.9)
10 (3.1)
185 (56.4)
10 (3.1)
180 (54.9)
10 (3.1)
175 (53.3)
15 (4.6)
200 (61.0)
15 (4.6)
195 (59.4)
15 (4.6)
190 (57.9)
15 (4.6)
185 (56.4)
15 (4.6)
180 (54.9)
7
5401-7800
7801-10100
(1646-2378)
(2378-3079)
20 (6.1)
15 (4.6)
15 (4.6)
10 (3.0)
10 (3.0)
5 (1.5)
5 (1.5)
NA
25 (7.6)
20 (6.1)
20 (6.1)
15 (4.6)
15 (4.6)
10 (3.0)
10 (3.0)
5 (1.5)
Maximum
ft (m)
0-10100
(0-3079)
115 (35.0)
110 (33.5)
105 (32.0)
100 (30.5)
95 (29.0)
120 (36.6)
115 (35.0)
110 (33.5)
105 (32.0)
100 (30.5)
Maximum
ft (m)
2001-10100
(611-3079)
175 (53.3)
170 (51.8)
165 (50.3)
160 (48.8)
155 (47.2)
180 (54.9)
175 (53.3)
170 (51.8)
165 (50.3)
160 (48.8)
7

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