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