Spec Sheet

Faster, Easier Installaon
Residenal:
Heat Exchanger: 12 Years
All Other Parts/
Components: 2 Years
Labor: 1 Year
Commercial:
Heat Exchanger: 5 Years
All Other Parts/
Components: 2 Years
Labor: 1 Year
Compact & lightweight
design
Convenient mounng
bracket
NPT threads for
connecon points
More exible venng
opons
Simplied parameters
for commissioning
and setup
CH = Central Heang
PRV = Pressure Relief Valve
1
Maximum gas supply pressure must not exceed the value specied by the manufacturer.
Clearances
Warranty
Model M060S M090S M120S M160S
Dimensions
(w, h, d)
Unit
17 in. x 28 in. x 10 in. (439 mm x 699 mm x 264 mm)
Shipping
12 in. x 23 in. x 31.5 in. (305 mm x 585 mm x 800 mm)
Weight
Unit
64 lb. (29 kg) 70 lb. (32 kg)
Shipping
75 lb. (34 kg) 81 lb. (37 kg)
Ignion System Direct Electronic Ignion
Heat Exchanger Material
Stainless Steel
Heat Exchanger Surface Area 7.3 sq 
11.8 sq 
Temperature Seng (Min - Max) 68° F - 185° F (20° C - 85° C)
Water Content
1 Gal. (3.8 L) 1.4 Gal. (5.2 L)
Gas
Consumpon
Min NG: 17,000 LP: 31,500 NG: 23,500 LP: 73,500
Max 60,000 90,000 120,000 160,000
57 MBH (17 kWh) 84 MBH (25 kWh) 112 MBH (33 kWh) 148 MBH (43 kWh) Heang Capacity
Water Supply
Pressure
CH
Minimum: 14 PSI (97 kPa) Maximum: 45 PSI (310 kPa)
PRV
375 MBH (110 kWh)
PRV Rang
30 PSI (207 kPa)
Pump Model UPER 15-78
Sound Level 39 dB 42 dB
48 dB 54 dB
Electrical Data
Normal 155 W 177 W 164 W 191 W
Standby
3.5 W
Max Current
1.62 Amps 1.8 Amps 1.67 Amps 1.97 Amps
Fuse
5 Amps
Gas
Supply Pressure
1
Natural Gas 3.0 in. - 10.5 in. W.C. (7.5 - 26 mbar)
Propane 8.0 in. - 13.5 in. W.C. (19.9 - 33.6 mbar)
Electric Voltage AC 120 V, 60 Hz.
Electric Voltage Controls
24 V
Circuit Breaker Rang 15 A (Recommended)
Turndown Rao (TDR) 3.5:1 / 1.9:1 5.3:1 / 2.9:1 5.1:1 / 1.6:1 6.8:1 / 2.2:1
Available Pressure Drop at
Maximum Input Rate
21.1  at 3.2 GPM 16.9  at 4.8 GPM 9.5  at 6.3 GPM 4.8  at 7.5 GPM
AFUE 95.0%
ENERGY STAR® Cercaon Yes
Cercaons ANSI Z21.13, CSA 4.9
Top: 2 in. (51 mm)*
Boom: 12 in. (305 mm)
Front: 6 in. (152 mm)**
Back: 0 in.
Sides: 2 in. (51 mm)
Vent: 0 in.
* 0 in. from vent
components.
6 in. (152 mm) for closet
installaons.
** Clearance for servicing
is 24 in. (610 mm) in
front of boiler.
If the boiler is to be
installed in a system
that has mulple zones,
a Closely Spaced Tee/
Manifold Kit is
recommended to be
installed.
If the pressure drop in
the loop/system is
greater than the
available head pressure
from the boiler
circulator, a Closely
Spaced Tee/Manifold Kit
must be used.
Important