Marathon Water Heater

Marathon Water Heater
Ratings Guide
Best
Better
Good
Fair
Poor

Marathon
MR105238

Type: 105 Gal Tank
Fuel: Electric
Flow: 101 GPH 1st Hr
Nominal Price: $1100
Energy

0.91

Factor
Utility Cost

$603

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$10

Per Gal
Vent

NA

Type
10 Yr Cost

$7400

Install+Utilities
Marathon
MR105245

Type: 105 Gal Tank
Fuel: Electric
Flow: 104 GPH 1st Hr
Nominal Price: $1100
Energy

0.91

Factor
Utility Cost

$603

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$10

Per Gal
Vent

NA

Type
10 Yr Cost

$7400

Install+Utilities
Marathon
MR75238

Type: 75 Gal Tank
Fuel: Electric
Flow: 75 GPH 1st Hr
Nominal Price: $1000
Energy

0.92

Factor
Utility Cost

$597

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$13

Per Gal
Vent

NA

Type
10 Yr Cost

$7300

Install+Utilities
Marathon
MR75245

Type: 75 Gal Tank
Fuel: Electric
Flow: 78 GPH 1st Hr
Nominal Price: $1000
Energy

0.92

Factor
Utility Cost

$597

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$13

Per Gal
Vent

NA

Type
10 Yr Cost

$7300

Install+Utilities
Marathon
MR85230

Type: 85 Gal Tank
Fuel: Electric
Flow: 84 GPH 1st Hr
Nominal Price: $1100
Energy

0.92

Factor
Utility Cost

$597

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$13

Per Gal
Vent

NA

Type
10 Yr Cost

$7400

Install+Utilities
Marathon
MR85238

Type: 85 Gal Tank
Fuel: Electric
Flow: 87 GPH 1st Hr
Nominal Price: $1100
Energy

0.92

Factor
Utility Cost

$597

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$13

Per Gal
Vent

NA

Type
10 Yr Cost

$7400

Install+Utilities
Marathon
MR85245

Type: 85 Gal Tank
Fuel: Electric
Flow: 91 GPH 1st Hr
Nominal Price: $1100
Energy

0.92

Factor
Utility Cost

$597

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$13

Per Gal
Vent

NA

Type
10 Yr Cost

$7400

Install+Utilities
Marathon
MR50230

Type: 50 Gal Tank
Fuel: Electric
Flow: 55 GPH 1st Hr
Nominal Price: $900
Energy

0.94

Factor
Utility Cost

$584

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$18

Per Gal
Vent

NA

Type
10 Yr Cost

$7000

Install+Utilities
Marathon
MR50238

Type: 50 Gal Tank
Fuel: Electric
Flow: 58 GPH 1st Hr
Nominal Price: $900
Energy

0.94

Factor
Utility Cost

$584

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$18

Per Gal
Vent

NA

Type
10 Yr Cost

$7000

Install+Utilities
Marathon
MR50245

Type: 50 Gal Tank
Fuel: Electric
Flow: 61 GPH 1st Hr
Nominal Price: $900
Energy

0.94

Factor
Utility Cost

$584

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$18

Per Gal
Vent

NA

Type
10 Yr Cost

$7000

Install+Utilities
Marathon
MSR50238

Type: 50 Gal Tank
Fuel: Electric
Flow: 51 GPH 1st Hr
Nominal Price: $900
Energy

0.9

Factor
Utility Cost

$610

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$18

Per Gal
Vent

NA

Type
10 Yr Cost

$7300

Install+Utilities
Marathon
MSR50245

Type: 50 Gal Tank
Fuel: Electric
Flow: 54 GPH 1st Hr
Nominal Price: $900
Energy

0.9

Factor
Utility Cost

$610

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$18

Per Gal
Vent

NA

Type
10 Yr Cost

$7300

Install+Utilities
Marathon
MR30238

Type: 30 Gal Tank
Fuel: Electric
Flow: 39 GPH 1st Hr
Nominal Price: $700
Energy

0.94

Factor
Utility Cost

$584

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$23

Per Gal
Vent

NA

Type
10 Yr Cost

$6800

Install+Utilities
Marathon
MR30245

Type: 30 Gal Tank
Fuel: Electric
Flow: 42 GPH 1st Hr
Nominal Price: $700
Energy

0.94

Factor
Utility Cost

$584

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$23

Per Gal
Vent

NA

Type
10 Yr Cost

$6800

Install+Utilities
Marathon
MR40238

Type: 40 Gal Tank
Fuel: Electric
Flow: 48 GPH 1st Hr
Nominal Price: $800
Energy

0.94

Factor
Utility Cost

$584

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$20

Per Gal
Vent

NA

Type
10 Yr Cost

$6900

Install+Utilities
Marathon
MR40245

Type: 40 Gal Tank
Fuel: Electric
Flow: 52 GPH 1st Hr
Nominal Price: $800
Energy

0.94

Factor
Utility Cost

$584

National Avg
Warranty

Life

Yrs Tank/HE
Warranty

6

Yrs Parts
Unit Cost

$20

Per Gal
Vent

NA

Type
10 Yr Cost

$6900

Install+Utilities

About This Data: Operating and 10 year costs are based on US EIA national averages of Electricity ($0.0125/kWh), Natural Gas ($13.50/1000 ft3), and Propane ($3.00/gal). Your state may be higher or lower, so compare relative costs between water heaters. Listed water heater prices are nominal and may vary. Installation costs are assumed $300 (tanks) and $1,000 (tankless).

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