Q Premier 85 Condensing Boiler
Standard Features
Onboard outdoor reset control system with sensor standard
Factory installed Low Loss Header
Priority DHW standard
24 gallon charged indirect stainless steel storage tank
Modulating Ceramic premix burner
5:1 turn down ratio
Direct spark ignition
Exceeds SCAQMD 1146.2 Low NOx requirements
Proprietary Stainless Steel Water tube condensing heat exchanger
Direct Vent sealed combustion
Concentric and twin pipe venting adapters included
Approved for room and closet installations
Pre-piped to accept a DHW recirculation line
QP85 SPECIFICATIONS
General Specifications
Units
Water content CH gal 0.9
Water content DHW gal 24
Max supply boiler
temperature
Max operating pressure psi 45
Relief valve rating (heating) MBH 375
Relief valve pressure rating psi 30
Dry weight lbs 236
Min inlet gas pressure NG "W.C. 4.0"
°F 176
Performance Specifications
Units
Fuel Type NG
Input - high fire MBH 85
Input - low fire MBH 17
QN Output non-condensing CH MBH 77
QN Output EN677 efficiency CH MBH 84
QN Output AFUE CH MBH 82
Heating Capacity MBH 78
AFUE (I=B=R) % 96.5
Part Load Efficiency (EN677) % 98.8
Optional Accessories
Room Air Filter
NG to LP conversion Kit
Piping Options
Right side pre-bend piping kit
Left side pre-bend piping kit
Top side pre-bend piping kit
Max inlet gas pressure NG "W.C. 10.5"
Min inlet gas pressure LP "W.C. 8.0"
Max inlet gas pressure LP "W.C. 14.0”
Max equivalent exhaust
vent length
Max equivalent combustion
air vent length
Approved venting materials
Rinnai is continually updating and improving products; therefore, specifications are subject to change without prior
notice. Local, state, provincial and federal codes must be adhered to prior to installation.
© 2012 Rinnai Corporation
ft 100
ft 100
Polypropylene
Stainless
Steel, PVC,
CPVC
First hour rating gal/hour 141
Electrical Specifications
Units
Electrical Voltage Mains VAC/Hz 120/60
Electrical Voltage Controls VDC 24
Power Consumption Max Load W 172
Power Consumption Stand by Load W 14
Recommended Circuit breaker rating A 15
QP85 SP 8/2012
Q Premier 85 Condensing Boiler
B
H
J
K
G
D
C
E
F
A
O
N
L
M
P P
Q Q
R R
S
S
DIMENSIONS
inch / mm
A Height 61.8 / 1570
B Height including vent connection 64.5 / 1640
C Width 23.6 / 600
D Depth 25.2 / 640
E Center boiler / vent 3.7 / 95
F Back / vent 18.5 / 470
G 4.7 / 122 Center to center / vent and air supply
Connection side: Left and Right
H Bottom side boiler / supply pipe 48.4 / 1230
J Bottom side boiler / return pipe 45.7 / 1160
K Bottom side boiler /
L Bottom side boiler /
M Bottom side boiler /
N Bottom side boiler /
0 Bottom side boiler / Condensate pipe 26.0 / 662
Connection side: Top
P Center boiler /
Q Center boiler /
R Center boiler /
S Back boiler /
hot water pipe
gas pipe
Cold water pipe
DHW circulation
return pipe
DHW circulation
return pipe
Cold water pipe
Gas pipe
Hot water pipe
Gas pipe
Hot water pipe
DHW circulation
return pipe
Cold water pipe
Supply pipe
Return pipe
center of all pipe
connections
42.9 / 1090
40.2 / 1020
37.4 / 950
34.6 / 880
6.9 / 175
4.1 / 105
1.4 / 35
1.2 / 30
Rinnai Corporation • 103 International Drive • Peachtree City, GA 30269 • Toll-Free: 1-800-621-9419 • Fax: 678-364-8643 • www.rinnai.us
Clearances
Minimum required
inch / mm inch / mm
Top 0 10 / 250
Back 0 0
Front 6 / 150 24 / 600
Left side 0 2 / 50
Right
side
Vent 0 0
clearance to
combustibles and
non-combustibles
0 2 / 50
Recommended
service
clearances