Series Premier VS-VH
Page 19
LT135 Dec 2019
Table D: Tailpipe Lengths Required for Various Branch Layouts
Burner Model No
Total
Number
Burners
in Branch
Total Output for
Branch
[MBH]
Minimum Tailpipe
for Branch
[ft (m)]
Premier VS-VH02
1
20
10 (3.0)
2
40
10 (3.0)
3
60
20 (6.1)
4
80
20 (6.1)
Premier VS-VH04
1
40
20 (6.1)
2
80
20 (6.1)
3
120
30 (9.1)
4
160
30 (9.1)
Premier VS-VH06
1
60
30 (9.1)
2
120
30 (9.1)
3
180
40 (12.2)
4
240
40 (12.2)
Premier VS-VH08
1
80
40 (12.2)
2
160
40 (12.2)
3
240
40 (12.2)
4
320
60 (18.3)
Premier VS-VH10
1
100
40 (12.2)
2
200
50 (15.2)
3
300
60 (18.3)
4
400
60 (18.3)
Premier VS-VH12
1
110 / 120
40 (12.2)
2
220 / 240
50 (15.2)
3
330 / 360
60 (18.3)
Exceptions:
1) When minimum Radiant Tube lengths are used,
minimum tailpipe length must be increased by 50%
2) If using Common Tailpipe refer to the following to determine
the Minimum Common Tailpipe length required:
1 - Add up usual recommended lengths of Tailpipe (from data in this Table)
2 - Subtract the length of any Tailpipe which will NOT be Common
3 - If result is > 40' remaining, multiply by 0.6 for Minimum Common Tailpipe
Length
OR 3 - If result is ≤ 40' remaining, multiply by 0.75 for Minimum Common Tailpipe Length
3) When using 5" Ø Tailpipe, the Required Tailpipe Lengths may be reduced by 25%
