For Your Safety
Model Numbers
POWER VENT GAS WATER HEATER USER’S GUIDE
Series Twelve
DANGER
SAFE INSTALLATION, USE AND SERVICE
IMPORTANT DEFINITIONS
SAFETY PRECAUTIONS
TABLE OF CONTENTS
CUSTOMER RESPONSIBILITIES
PRODUCT SPECIFICATIONS
TO INSTALL OR OPERATE THE WATER HEATER
ACCESSORIES AND TOOLS NEEDED
Wire Brushes
Pipe Wrenches 2 14” 356 mm Screwdriver
Tin Snips 6’ 1.82 m Tape or Folding Ruler
INSTRUCTIONS FOR INSTALLATION
Removing the Old Water Heater
TYPICAL INSTALLATION
Temperature-PressureRelief Valve
Vent Pipe
Drip Leg Sediment Trap
TYPICAL INSTALLATION
MIXING VALVE USAGE
LOCATING THE NEW WATER HEATER
Facts to Consider About the Location
Combustion Air and Ventilation
VENTINGCLEARANCES
VENTING THROUGH ROOF - CLEARANCES
FIGURE11
FIGURE12
FIGURE13
Insulation Blankets
Water Piping
T & P Valve and Pipe Insulation
See Figure 21 for mixing valve usage
Temperature-PressureRelief Valve
Wiring
Filling the Water Heater
Wiring Diagram
USE WITHOUT POWER CORD
Electrical Code, ANSI/NFPA
OPERATION. VERIFY PROPER OPERATIONAFTER SERVICING
Venting
VENTING THROUGHAN OUTSIDE WALL
3” PVC, ABS or CPVC Schedule 40 vent piping
75 GALLON 70,000 AND 75,000 BTU/HR MODELS ONLY
75 GALLON 70,000 AND 75,000 BTU/HR MODELS ONLY
OPTIONAL 4” VENT PIPING
4” PVC, ABS or CPVC Schedule 40 vent piping
ALL 40 AND 50 GALLON 40,000 BTU/HR MODELS ONLY
VENTING SYSTEM EXAMPLE INSTALLATIONS
The vent piping may be installed as follows
FOR ALL MODELS
75 GALLON 70,000 AND 75,000 BTU/HR MODELS
See Chart below for maximum length
40 AND 50 GALLON 40,000 BTU/HR MODELS
75 GALLON 70,000 AND 75,000 BTU/HR MODELS ONLY
3” DIA. VENT
APPROXIMATE SETTING TIME FOR
75 GALLON 70,000 AND 75,000 BTU/HR MODELS ONLY
3” DIA. VENT
NUMBEROF
CONNECTING PVC, ABS OR CPVC PIPE VENT TO BLOWER
VENTING THROUGH A ROOF - ALL MODELS
3” PVC, ABS or CPVC Schedule 40 vent piping
75 GALLON 70,000 AND 75,000 BTU/HR MODELS ONLY
ALL 40 AND 50 GALLON 40,000 BTU/HR MODELS
OPTIONAL 2” VENT PIPING
2” PVC, ABS or CPVC Schedule 40 vent piping
75 GALLON 70,000 AND 75,000 BTU/HR MODELS ONLY
ALL 40 AND 50 GALLON 40,000 BTH/HR MODELS ONLY
OPTIONAL 2” VENT PIPING
2” DIA. VENT
NUMBEROF
Sediment Traps
BEFORE THE WATER HEATER WILL OPERATE
OPERATING INSTRUCTIONS
OPERATION
Temperature Regulation
Operating
CHECK FOR LEAKS
WATER HEATING IGNITION SEQUENCE
2.Release both temperature adjustment buttons
FOR YOUR SAFETY READ BEFORE LIGHTING
OPERATING INSTRUCTIONS
LIGHTING INSTRUCTIONS
TO TURN OFF GAS TO APPLIANCE
SERVICE AND MAINTENANCE
Tank Sediment Cleaning
Burner Cleaning
Vent System Inspection
Anode Rod Inspection
Draining
Housekeeping
For Propane L.P. Models Only
Drain Valve Washer Replacement
Temperature-PressureRelief Valve Operation
Service
TROUBLESHOOTING
Condensation
Smoke / Odor
Thermal Expansion
Venting Manual Reset Switch
“AIR” In Hot Water Faucets
Not Enough or No Hot Water
Water is Too Hot
Leakage Checkpoints
THERMOSTAT AND GAS SUPPLY CHECK
TROUBLESHOOTING Continued
NO YES
WATER HEATER CONTROL
SYSTEM CHECK
LED STATUS
TROUBLESHOOTING Continued
Problem
Solution
Thermostat problems
REPAIR PARTS LIST
THIS IS A REPAIR PARTS LIST, NOT A PACKING LIST
MODEL NO’S
PCV, ABS OR CPVC ITEMS FOR ALL MODELS SUPPLIED
REPAIR PARTS LIST
THIS IS A REPAIR PARTS LIST, NOT A PACKING LIST
MODEL NO’S
PCV, ABS OR CPVC ITEMS FOR ALL MODELS SUPPLIED
REPAIR PARTS LIST
THIS IS A REPAIR PARTS LIST, NOT A PACKING LIST
MODEL NO’S
PCV, ABS OR CPVC ITEMS FOR ALL MODELS SUPPLIED
REPAIR PARTS LIST
MAYTAG
STATE
MAYTAG
Page
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WARRANTY
FULL ONE YEAR WARRANTY
LIMITED PARTS WARRANTY
LIMITED TANK WARRANTY AGAINST LEAKS