
LOW NOx MAXIM • PACKAGED GAS WATER HEATER
POLYSHIELD® POLYMER-LINED STORAGE TANK 
125 GALLON TANK SERIES 
MODEL NUMBER 
  GPH Recovery at 40° to 120° F  245  330  490 
  GPH Recovery at 40° to 140° F  195  260  390 
 Input Btu/h  199,000  270,000  399,000 
  Minimum gas inlet pressure – " W.C.  5.5  5.5  5.5 
A  Cold Inlet - NPT  2  2  2 
B  Hot Outlet - NPT  2  2  2 
C  Drain - NPT  1  1  1 
D  I - Beam Skids  3 X 34-1/2  3 x 34-1/2  3 x 34-1/2 
E Overall Depth  45  45  45 
F Overall Height  75  75  82 
G  Flue Outlet Diameter  5  6  7 
H  Gas Inlet - NPT  1/2  3/4  3/4 
J  Motor HP 120 V, 1Ø, 60 Hz.  1/6  1/6  1/6 
 Motor Amps  1.75  1.75  1.75 
L  Height to Outlet  65  65  73 
M  Height to Inlet  28  28  36 
  Approx. Shipping Weight - lbs  1020  1070  1130 
Recoveries based on 82% thermal efficiency. ASHRAE 90.1 compliant. 
Dimensions are in inches unless otherwise specified. 
For standard and optional equipment, see Form # PV6377. 
20 P 125A-MXS  27 P 125A-MXS  40 P 125A-MXS 
1. Control Enclosure 
2. ASME Temperature & 
 Pressure Relief Valve 
3. 3” NPT Handhole
STANDARD GAS PRESSURE REQUIREMENTS: 
SEE TABLE FOR MINIMUM PRESSURE BY MODEL NUMBER. 
MAXIMUM STATIC PRESSURE: 9" W.C. 
FOR GAS PRESSURES OUTSIDE OF THIS RANGE, 
CONTACT YOUR PVI REPRESENTATIVE. 
STANDARD ELECTRICAL REQUIREMENTS: 
CONTROL VOLTAGE: 120V, 1Ø, 60 HZ., 2 AMPS 
PV 6378 02/05  (800) 784-8326 • www.pvi.com 
THE ENTIRE VENT SYSTEM SHOULD NEVER BE SIZED BASED UPON THE 
FOR PROPER VENT SIZING, CONSULT THE NATIONAL FUEL GAS CODE 
PVI INDUSTRIES, LLC 
FORT WORTH, TEXAS 76111 
VENTING REQUIREMENTS: 
-.02" TO -.06" W.C. (NEGATIVE PRESSURE). 
TYPE B VENTING. 
VENT CONNECTION DIAMETER EXCLUSIVELY. 
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.