MAXIM • PACKAGED GAS WATER HEATER
NICKELSHIELD® NICKEL-PLATED STORAGE TANK
125 GALLON TANK SERIES
20 N 125A-MXS 27 N 125A-MXS 40 N 125A-MXS 54 N 125A-MXG 72 N 125A-MXG 80 N 125A-MXG
MODEL NUMBER
GPH Recovery at 40° to 120° F
GPH Recovery at 40° to 140° F
Input Btu/h
245
330
490
670
900
1000
195
260
390
540
720
800
199,000
270,000
399,000
540,000
720,000
800,000
*
*
Min. inlet flow gas pressure " W.C.
Max static gas pressure “W.C.
Cold Inlet - NPT
Hot Outlet - NPT
Drain - NPT
I - Beam Skids
Overall Depth
Overall Height
Flue Outlet Diameter
Gas Inlet - NPT
Motor HP 120 V, 1Ø, 60 Hz.
Motor Amps
Height to Outlet
Height to Inlet
Approx. Shipping Weight - lbs
5.5
9
2
2
1
5.5
9
2
2
1
5.5
9
2
2
1
4.5
14
2
2
4.5
14
2
2
1
4.5
14
2
2
1
A
B
C
D
E
F
G
H
J
1
3 x 34-1/2
45
3 x 34-1/2
45
3 x 34-1/2
45
3 x 34-1/2
3 x 34-1/2
52
3 x 34-1/2
54
53
82
8
1
1/3
8
73
36
1260
75
5
1/2
1/6
1.75
65
28
75
6
3/4
1/6
1.75
65
28
75
7
3/4
1/6
1.75
65
28
82
10
1-1/4
1/3
8
73
36
1370
82
10
1-1/4
1/3
8
73
36
1390
K
L
M
1020
1070
1130
ASHRAE 90.1 compliant.
Models with suffix “MXS” are registered as low NOx water heaters in California and Texas
* The information presented is for natural gas 0.6 S.G. – For operation with propane (LP gas), consult the factory.
* For gas pressures outside of this range, consult factory.
Dimensions are in inches unless otherwise specified.
For standard and optional equipment, see form # PV 6137.
1. Control Enclosure
2. ASME Temperature &
Pressure Relief Valve
3. 3” NPT Handhole
STANDARD ELECTRICAL CONNECTIONS
CONTROL VOLTAGE: 120V, 1Ø, 60 Hz, 2 amps
SEE ABOVE CHART FOR BLOWER MOTOR AMPS
VENTING REQUIREMENTS
-.02" TO -.06" W.C. (negative pressure)
TYPE B VENTING
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”
PVI RESERVES THE RIGHT TO CHANGE THE DESIGN AND
SPECIFICATION WITHOUT NOTICE.
Product is patented in the U.S., Canada, and Mexico.
PVI INDUSTRIES, LLC
FORT WORTH, TEXAS 76111
PV 6139 08/07
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