Specifications

Q175C Condensing Boiler
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: [phone] • www.rinnai.us
DIMENSIONS
A Height
26.8” / 680 mm
B Width 39.4” / 1000 mm
C Depth 15.2” / 385 mm
D Left Side / Vent 19.5” / 495 mm
E
Center to Center / Vent and Air
Supply
4.7” / 121 mm
F Back / Vent 10.6” / 270 mm
G Left Side / Gas Pipe 2.6” / 65 mm
H Left Side / Supply Pipe 7.8” / 199 mm
J Left Side / Return Pipe 19.8” / 504 mm
K Left Side / Condensate Pipe 20.9” / 530 mm
L Left Side / Expansion Tank 23.2” / 590 mm
N Left Side / Cold Water Pipe 34.8” / 885 mm
O Left Side / Hot Water Pipe 37.6” / 955 mm
P Pipe Length of G 0.7” / 18 mm
Q Pipe Length of C 2” / 50 mm
R Pipe Length of F and R 18.5” / 470 mm
T Back / Center of Pipe C 1” / 25 mm
U Back / Center of Pipe G 1.6” / 40 mm
V1
Back / Center of Pipes f1, e, k,
r1, and w
2” / 50 mm
V2 Back/ Center of Pipes f2 and r2 2.1” / 54 mm
W
Pipe Length Vent Co-axial
Pipe Length Vent Parallel
2.6” / 65 mm
5.8” / 147 mm
X
Bottom Side Boiler to Center
Pressure Relief Valve
8” / 200 mm
Y
Bottom Side Boiler to Center
Low Loss Header
10.4” / 265 mm
Z Center to Center of f2 and r2 12” / 305 mm
aa Depth of Low Loss Header 5.6” / 142 mm
Minimum required
clearance to
combustibles and
non-combustibles
Recommended
service clearances
Top 2” / 50 mm 10” / 250 mm
Back 0 0
Front 6” / 150 mm 24” / 600 mm
Left side 2” / 50 mm 2” / 50 mm
Right side 2” / 50 mm 2” / 50 mm
Floor / Ground 12” / 300 mm 30” / 762 mm
Floor / Ground to
bottom of Low
Loss Header
0 12” / 300 mm
Vent 0 0
Clearances
Q175C-SP-2 8/2017
© 2017 Rinnai Corporation