Model # MR50245

Internet #205466186

Store SKU #344915

Store SO SKU #1000532496

Rheem Marathon 50 Gal. Tall 4500/4500-Watt Elements Non Metallic Lifetime Electric Tank Water Heater
0020352635880

Rheem

Marathon 50 Gal. Tall 4500/4500-Watt Elements Non Metallic Lifetime Electric Tank Water Heater

  • Plastic tank wont rust; ideal in hard water applications
  • Make sure it fits: measure your space to ensure dimensions fit
  • Call for an Installation Quote at 1-855-400-2552
$ 1174 40
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Frequently Bought Together

Frequently Bought Together

Product Overview

  • Plastic tank wont rust; ideal in hard water applications
  • Make sure it fits: measure your space to ensure dimensions fit
  • Call for an Installation Quote at 1-855-400-2552
Never buy another water heater after the Rheem Marathon 50 Gal. Electric Water Heater. The non-metallic tank eliminates rust and corrosion that leads to leaks in typical tank water heaters. This tank is backed by a lifetime warranty (with registration) and eliminates the hassle of periodically replacing your water heater. Plus, it's lightweight and perfect for replacement of an existing water heater.
  • Great investment and value: lifetime tank warranty (registration required) equates to a savings of over USD 5,700
  • No leaks and longer lasting: the non-metallic tank is impervious to rust and corrosion that can lead to leaks in metallic tanks
  • Prevents smelly water: tank construction eliminates the need for an anode rod which can cause smelly water
  • Perfect for replacement: the tank's size and light weight makes it easy to get home and in position
  • Easy to maintain: longer-lasting titanium element prevents corrosion buildup, there's no anode rod to replace, the bowl-shaped bottom allows water to drain more completely and an oversized access panel makes it easier to remove sediment
  • Reliable hot water: provides ample hot water for households with 3-5 people or homes with 3 plus bathrooms
  • Peace-of-mind: backed by a lifetime limited warranty on the tank and a 6-year limited warranty on parts (with registration)
  • A reliable hot water solution from rheem, the global leader in water heating
  • Designed for durability: choose a water heater that will las
  • Delivers saving and efficiency: consider both initial cost and lifetime savings
  • Built for simplicity: easy to install and easy to maintai
  • Enough hot water: choose a water heater that meets the highest demands of your household
  • Visit our Water Heater Installation page for more information.
  • Click here to check out our buying guide on water heaters
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Product Overview

  • Plastic tank wont rust; ideal in hard water applications
  • Make sure it fits: measure your space to ensure dimensions fit
  • Call for an Installation Quote at 1-855-400-2552
Model #: MR50245
Sku #: 344915
Internet #: 205466186

Never buy another water heater after the Rheem Marathon 50 Gal. Electric Water Heater. The non-metallic tank eliminates rust and corrosion that leads to leaks in typical tank water heaters. This tank is backed by a lifetime warranty (with registration) and eliminates the hassle of periodically replacing your water heater. Plus, it's lightweight and perfect for replacement of an existing water heater.

  • Great investment and value: lifetime tank warranty (registration required) equates to a savings of over USD 5,700
  • No leaks and longer lasting: the non-metallic tank is impervious to rust and corrosion that can lead to leaks in metallic tanks
  • Prevents smelly water: tank construction eliminates the need for an anode rod which can cause smelly water
  • Perfect for replacement: the tank's size and light weight makes it easy to get home and in position
  • Easy to maintain: longer-lasting titanium element prevents corrosion buildup, there's no anode rod to replace, the bowl-shaped bottom allows water to drain more completely and an oversized access panel makes it easier to remove sediment
  • Reliable hot water: provides ample hot water for households with 3-5 people or homes with 3 plus bathrooms
  • Peace-of-mind: backed by a lifetime limited warranty on the tank and a 6-year limited warranty on parts (with registration)
  • A reliable hot water solution from rheem, the global leader in water heating
  • Designed for durability: choose a water heater that will las
  • Delivers saving and efficiency: consider both initial cost and lifetime savings
  • Built for simplicity: easy to install and easy to maintai
  • Enough hot water: choose a water heater that meets the highest demands of your household
  • Visit our Water Heater Installation page for more information.
  • Click here to check out our buying guide on water heaters
  • Click here for more information on Electronic Recycling Programs
  • California residents see Prop 65 WARNINGS

Info & Guides

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Name Performance Platinum 50 Gal. Medium 12 Year 5500/5500-Watt Elements Mobile Alert Compatible Electric Tank Water Heater Marathon 50 Gal. Tall 4500/4500-Watt Elements Non Metallic Lifetime Electric Tank Water Heater Performance Platinum 50 gal. 10-Year Hybrid High Efficiency Smart Tank Electric Water Heater Marathon 50 Gal. Short 4500/4500-Watt Elements Non Metallic Lifetime Electric Tank Water Heater
Brand Rheem Rheem Rheem Rheem
Ratings (818) (57) (351) (229)
Wattage (watts) 5500 4500 5000 W 4500
Product Width (in.) 22.25 23.5 22.25 in 28.25 in
Water Heater Features Overheat Protection,Self Cleaning,Temperature Pressure Relief Valve Overheat Protection,Temperature Pressure Relief Valve Overheat Protection,Temperature Pressure Relief Valve,Vacation Mode,WiFi Overheat Protection,Temperature Pressure Relief Valve
Water Heater Profile Medium Tall Tall Short
View Product View Product View Product View Product

Specifications

Dimensions

Product Depth (in.)
23.5
Product Height (in.)
62.75
Product Width (in.)
23.5
Tank Valve Size (in.)
.75
Water Connection Size (in.)
3/4

Details

Amperage (amps)
18.75 A
Application Type
Residential
Finish Family
Gray
First Hour of Delivery (gallons/hr)
57
Fuel Type
Electric
Indoor/Outdoor
Indoor
Maximum Temperature (F)
150
Minimum Temperature (F)
90
Nominal Tank Capacity (gallons)
50
Product Weight (lb.)
103lb
Rated Tank Capacity (gallons)
50
Required Volt Connection
240 volt
Returnable
90-Day
Tank Lining Material
Glass
Tank Warranty
Lifetime
Uniform Energy Factor
0.91
Water Heater Features
Overheat Protection,Temperature Pressure Relief Valve
Water Heater Profile
Tall
Wattage (watts)
4500
Wattage (watts)
4500

Warranty / Certifications

Certifications and Listings
1-UL Listed
Labor Warranty
No Warranty
Part Warranty
6 Year

Specifications

Dimensions

Product Depth (in.)
23.5
Product Height (in.)
62.75
Product Width (in.)
23.5
Tank Valve Size (in.)
.75
Water Connection Size (in.)
3/4

Details

Amperage (amps)
18.75 A
Application Type
Residential
Finish Family
Gray
First Hour of Delivery (gallons/hr)
57
Fuel Type
Electric
Indoor/Outdoor
Indoor
Maximum Temperature (F)
150
Minimum Temperature (F)
90
Nominal Tank Capacity (gallons)
50
Product Weight (lb.)
103lb
Rated Tank Capacity (gallons)
50
Required Volt Connection
240 volt
Returnable
90-Day
Tank Lining Material
Glass
Tank Warranty
Lifetime
Uniform Energy Factor
0.91
Water Heater Features
Overheat Protection,Temperature Pressure Relief Valve
Water Heater Profile
Tall
Wattage (watts)
4500
Wattage (watts)
4500

Warranty / Certifications

Certifications and Listings
1-UL Listed
Labor Warranty
No Warranty
Part Warranty
6 Year

Questions & Answers

Can it be installed in a place with no air conditioning or heat? It says that it's for indoor. I...

Can it be installed in a place with no air conditioning or heat? It says that it's for indoor. I have never heard of a water heater being put outside in the rain , so I wonder if it is the temperature that is the concern that requires an indoor label.
Asked by: Shorty
Depending on the climate in which you live, it can be installed in an area with no heat or air conditioning. However, if you live in an area that has very cold winter temperatures, you may need some sort of heat to keep your pipes from freezing. The water heater itself should be ok as the heating elements will keep it from freezing.
Answered by: Shorty
Date published: 2018-08-05

hard wired or plug in

hard wired or plug in
Asked by: ray
I wired my heater directly to a breaker in our breaker box. That is the prefered way.
Answered by: Shorty
Date published: 2018-07-03

Is the tank lining BPA free?

Is the tank lining BPA free?
Asked by: jon
This tank has a polybutylene inner lining.
Answered by: CommunityAnswer
Date published: 2019-01-10

As the T&P valve is on the top of the unit, so how can I connect the copper discharge pipe having...

As the T&P valve is on the top of the unit, so how can I connect the copper discharge pipe having down pitch?
Asked by: JM
you would need to install the drain line with a angle pipe like 90 degree or 45 degree elbow based on your needs
Answered by: Rheem
Date published: 2018-03-23
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Customer Reviews

Marathon 50 Gal. Tall 4500/4500-Watt Elements Non Metallic Lifetime Electric Tank Water Heater is rated 4.3 out of 5 by 57.
Rated 2 out of 5 by from Needed a replacement after 4 years. Original WH had... Needed a replacement after 4 years. Original WH had an element burn out. After replacing the element the tank suffered structural leak. Whatever the sealing process for the water inlet/outlet assembly failed. Water shooting out the top of the tank. Elements aren't standard, require special order
Date published: 2018-12-26
Rated 5 out of 5 by from Great product easy installation ,no anoide rod to replace ,it would be nice if there was a light ... Great product easy installation ,no anoide rod to replace ,it would be nice if there was a light to advise when elements are working, other wise don't know if one element I needs replaced I guess just luke or no hot water ,only drawback I see so far
Date published: 2018-12-11
Rated 5 out of 5 by from Great water heater. ... Great water heater.
Date published: 2018-12-10
Rated 1 out of 5 by from Had to return. Box was torn open in multiple places and there was corrosion on the brass fittings... Had to return. Box was torn open in multiple places and there was corrosion on the brass fittings. Also heater was 2 yrs 9 mos old so energy star rating was over $100 more per year than the one I purchased online. . I had to bring it back to the store myself. I did receive a full refund though including delivery fee.
Date published: 2018-12-08
Rated 5 out of 5 by from I bought 2 of these to replace aging water heaters in the attic. The units are larger than the u... I bought 2 of these to replace aging water heaters in the attic. The units are larger than the units replaced (taller and a little bigger diameter) as was pointed out in the product description. Once we got the old units drained and removed and the new units moved to their place, the installation was simple and easy.
Date published: 2018-10-30
Rated 5 out of 5 by from Would have gone smoother on installation if there was information... Would have gone smoother on installation if there was information on water connections. ie male/ female, dielectric unions necessary or not. Otherwise, easy and lightweight
Date published: 2018-09-11
Rated 3 out of 5 by from everything went well but plumber had to come back to tighten a few connections. Now needs to come... everything went well but plumber had to come back to tighten a few connections. Now needs to come back because there is a leak in the bottom heat element. Hopefully a easy fix but will have to drain unit to fix this issue.
Date published: 2018-08-21
Rated 5 out of 5 by from Light weight, easy install, quick heating.Very pleased with purchase.... Light weight, easy install, quick heating.Very pleased with purchase.
Date published: 2018-06-21
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