Dimensions
[LEFT SIDE OF BOILER]
1¼"
RETURN
Model No.
UH15B045
UH15B070
UH15B096
UH15B120
UH15B145
UH15B170
UH15B195
UH15B245
UH15B295
* Propane Gas Inlet (All Units) 1/2"
2 - DIMENSIONS
Table 2 - Dimensions
Natural Gas
Inlet*
A
B
½"
11¼
5⅝
½"
15⅛
7
½"
15⅛
7
½"
19
9½
½"
19
9½
½"
22⅞ 11
/
3
½"
22⅞ 11
/
3
¾"
26¾ 13
/
6
¾"
30⅝ 15
/
5
1¼"
RETURN
RECESSED
Dimensions (Inches)
C
D
E
4
27⅛ 20
/
7
16
5
28⅛ 20
/
15
16
5
28⅛ 20
/
15
16
6
29⅛ 21
/
7
16
6
29⅛ 21
/
7
16
7
30⅛ 21
/
15
16
16
7
30⅛ 21
/
15
16
16
8
31⅛ 22
/
7
16
16
9
32⅛ 22
/
15
16
16
3
[TOP OF BOILER]
Rear
3½"
3½"
Front
[FRONT OF BOILER]
Pump Size Supply &
Return Tappings
F
4
/
1¼"
15
16
4
/
1¼"
15
16
4
/
1¼"
15
16
5
/
1¼"
7
16
5
/
1¼"
7
16
5
/
1¼"
15
16
5
/
1¼"
15
16
6
/
1¼"
15
16
8
/
1¼"
15
16
PN 240011107, Rev. E [06/15/2018]