4
Model
UH15B-060K UH15B-095K
UH15B-120K
UH15B-150K
UH15B-175K UH15B-205K UH15B-235K
# Sections
3
4
5
6
7
8
9
A
Width (Jacket)
13-
³/
8"
13-
³/
8"
16-
1
/
4"
19
"
21-
7
/
8"
27-
¹
/
2"
27-
¹
/
2"
340 mm
340 mm
411 mm
483 mm
555 mm
700 mm
700 mm
B
Width W/ External Gas Valve
17
-
⁵/8"
19
-
¹/
4"
22"
24
-
7
/
8"
27
-
3
/
4
"
32-
³/
4"
33-
¹
/
2"
448 mm
489 mm
559 mm
632mm
705 mm
832 mm
851 mm
C
Vent Location (Half Width)
6-
³/
4"
6-
³/
4"
8-
¹/
8
"
9-
1
/
2"
10-
15
/
16"
13-
³/
4"
13-³/
4"
171 mm
171 mm
206 mm
241 mm
278 mm
349 mm
349 mm
D
Height
32-
¹/
8
"
32-
¹/
8
"
32-
¹/
8"
32-
¹/
8"
32-
¹/
8"
32-
¹/
8"
32-
¹/
8"
816 mm
816 mm
816 mm
816 mm
816 mm
816 mm
816 mm
E
Damper Height
5
³/
4
"
5
³/
4
"
6"
6"
6-
³/
4
"
6-
³/
4
"
6-
³/
4
"
146 mm
146 mm
152 mm
152 mm
178 mm
178 mm
178 mm
F
Depth w/o Draft Hood
Installed
20"
20"
20"
20"
20"
20"
20"
508 mm
508 mm
508 mm
508 mm
508 mm
508 mm
508 mm
G
Depth W/ Draft Hood Installed
24-1/8"
24-1/8"
24-1/8"
24-1/8"
24-1/8"
24-1/8"
24-1/8"
613 mm
613 mm
613 mm
613 mm
613 mm
613 mm
613 mm
H
Flue Diameter
4"
5"
6"
6"
7"
7"
7"
102 mm
127 mm
153 mm
153 mm
178 mm
178 mm
178 mm
Supply & Return Tappings
1-
¹/
4
" NPT
1-
¹/
4
" NPT
1-
¹/
4
" NPT
1-
¹/
4
" NPT
1-
¹/
4
" NPT
1-
¹/
4
" NPT
1-
¹/
4
" NPT
Natural Gas Inlet
1/2" NPT
1/2" NPT
1/2" NPT
1/2" NPT
1/2" NPT
3/4" NPT
3/4" NPT
Relief Valve NPT
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
Drain Valve NPT
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
3/4" NPT
Heating Water Content, Gal
(Liter)
1.9 (7.2)
2.3 (8.8)
2.8 (10.5)
3.2 (12.2)
3.7 (13.9)
4.1 (15.6)
4.6 (17.3)
Air Cushion Tank, Gal (Liter) Estimate*
(Actual Based on System Size)
15 (57)*
30 (114)*
30 (114)*
30 (114)*
30 (114)*
30 (114)*
30 (114)*
Weight less pkg lbs (KG)
170 (77)
210 (96)
250 (114)
280 (128)
320 (145)
350 (159)
390 (177)
Shipping Weight lbs (KG)
215 (98)
250 (114)
295 (134)
335 (152)
385 (175)
420 (191)
465 (211)
1 - PHYSICAL DATA
"B"
"A"
"H"
"E"
"C"
"F"
"G"
2"
(50.8 mm)
21⁵/8"
(549.3 mm)
5¹/
2"
(139.7 mm )
23" (584mm)
16³/
8" (416mm)
7¹/
8" (181mm)
12¹/
2"
(317.5 mm )
"D"
PN 240012809, Rev. C [11/15/2020]
1 - PHYSICAL DATA