Product is patented in the U.S., Canada, and Mexico.
PVI INDUSTRIES, LLC
FORT WORTH, TEXAS 76111
PV 6139 08/07
(800) 784-8326
•
www.pvi.com
MAXIM • PACKAGED GAS WATER HEATER
NICKELSHIELD
®
NICKEL-PLATED STORAGE TANK
125 GALLON TANK SERIES
MODEL NUMBER
20 N 125A-MXS
27 N 125A-MXS
40 N 125A-MXS
54 N 125A-MXG 72 N 125A-MXG
80 N 125A-MXG
GPH Recovery at 40° to 120° F
245
330
490
670
900
1000
GPH Recovery at 40° to 140° F
195
260
390
540
720
800
Input
Btu/h
199,000 270,000 399,000 540,000 720,000 800,000
*
Min. inlet flow gas pressure " W.C.
5.5
5.5
5.5
4.5
4.5
4.5
*
Max static gas pressure “W.C.
9
9
9
14
14
14
A Cold Inlet - NPT
2
2
2
2
2
2
B Hot Outlet - NPT
2
2
2
2
2
2
C
Drain
-
NPT
1 1 1 1 1 1
D I - Beam Skids
3 x 34-1/2
3 x 34-1/2
3 x 34-1/2
3 x 34-1/2
3 x 34-1/2
3 x 34-1/2
E
Overall
Depth
45 45 45 53 52 54
F
Overall
Height
75 75 75 82 82 82
G Flue Outlet Diameter
5
6
7
8
10
10
H Gas Inlet - NPT
1/2
3/4
3/4
1
1-1/4
1-1/4
J Motor HP 120 V, 1Ø, 60 Hz.
1/6
1/6
1/6
1/3
1/3
1/3
K Motor
Amps
1.75
1.75
1.75
8
8
8
L
Height
to
Outlet
65 65 65 73 73 73
M
Height
to
Inlet
28 28 28 36 36 36
Approx. Shipping Weight - lbs
1020
1070
1130
1260
1370
1390
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.
STANDARD ELECTRICAL CONNECTIONS
VENTING REQUIREMENTS
CONTROL VOLTAGE: 120V, 1Ø, 60 Hz, 2 amps
SEE ABOVE CHART FOR BLOWER MOTOR AMPS
-.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.
1. Control Enclosure
2. ASME Temperature &
Pressure Relief Valve
3. 3” NPT Handhole
