EMX Series
Steel Firetube Water Boiler
Medium Mass
82% Effi ciency with Gas • 84% Effi ciency with Oil
Boiler Horsepower ►
10
13
18
20
25
29
34
Input Btu/h
399,000
540,000
720,000
800,000
1,000,000 1,200,000
1,400,000
Output Btu/h (gas)
327,000
442,800
590,400
656,000
820,000
984,000
1,148,000
Output Btu/h (oil)
335,160
453,600
604,800
n/a
840,000
1,008,000
1,176,000
A Cold Inlet - NPT
2
2
2
2
3
3
3
B Hot Outlet - NPT
2
2
2
2
3
3
3
E Overall Depth - Gas
45
52
52
54
63
63
63
Oil
55
55
55
n/a
63
63
63
Gas/Oil
68
68
68
n/a
77
77
82
F Overall Height
75
82
82
82
82
82
82
G Flue Connection Diameter
7
8
10
10
10
12
12
N Width
34-1/2
34-1/2
34-1/12
34-1/12
45
45
45
R Front to Back
41
41
41
41
52
52
52
Standard Blower Motor
HP
amps
HP
amps HP
amps HP
amps
HP
amps
HP
amps
HP
amps
Gas
1/6 1.75 1/3
8
1/3
8
1/3
8
1/2
10
1/2
10
1/2
10
Oil
1/2
10
1/2
10
1/2
10
n/a
1/2
10
1/2
10
1/2
10
Combination Gas/Oil
1/3
8
1/3
8
1/2
10
n/a
1/2
10
1/2
10
3/4
12
E
R
N
F
A
B
G
Control
Enclosure
9"
Float-type
Low-water
Cutoff
(optional)
EMX series
Steel Firetube Water Boiler
Performance and Dimensions
VENTING REQUIREMENTS
- .02 to -.06 inches W.C. (Category I)
Double-wall venting required.
THE ENTIRE VENT SYSTEM SHOULD NEVER BE SIZED
BASED UPON THE VENT CONNECTION DIAMETER
EXCLUSIVELY. FOR PROPER VENT SIZING, CONSULT THE
NATIONAL FUEL GAS CODE UNDER “FAN ASSISTED”.
STANDARD ELECTRICAL REQUIREMENTS
Supply 115 Volt, 60 Hertz through 20 amp circuit.
Alternate motor voltages are available.
230V 1Ø, 208V 3Ø, 230V 3Ø, 460V 3Ø
Gas • Oil • Combination Gas/Oil
400,000 to 1,400,000 Btu/h
10 to 34 Horsepower
Specifi cations may change without notice. Visit www.riversidehydronics.com for the most up-to-date submittal data.
RIVERSIDE HYDRONICS, LLC ● FORT WORTH, TEXAS ● (800) 990-5918
34-91 11/06
Riverside
HYDRONICS
R
MODE OF OPERATION
EMX is a mid-effi ciency, medium-mass, vertical
fi retube steel boiler. Combustion is provided by a
fan-assisted, fl ame retention burner and occurs
beneath the boiler pressure vessel in an insulated
chamb