The Best Rv Hot Water Tank of 2023 – Reviewed and Top Rated

2,807 Reviews Scanned

SaleRank No. #1

Suburban Advantage RV Tank Water Heater SW10DE - 10 gallon Porcelain Lined Steel Tank with Direct Spark Ignition (DSI) and Incoloy Electric Element (5243A)

DURABLE CONSTRUCTION: Engineered with a porcelain-lined steel tank, the Suburban 10 Gallon Tank Water Heater is designed for durability, mimicking the longevity of residential tank water heaters, ensuring years of reliable hot water.
ADVANCED CORROSION PROTECTION: Equip with a replaceable anode rod and this water heater provides enhanced protection against tank corrosion. The anode rod also doubles as a drain, simplifying maintenance and extending the lifespan of the unit.
FLEXIBLE POWER OPTIONS: Featuring an optional electric element, this allows you to utilize campsite or generator power for heating water, offering unmatched versatility.
EXCLUSIVE HEAT TRANSFER TECHNOLOGY: Suburban's exclusive flue tube design slows the combustion process, optimizing heat transfer and ensuring the water in the tank heats efficiently, saving energy and providing hot water faster.
SPECIFICATIONS: Product Dimensions - 16.22" x 16.22" x 20.50"; Cutout Dimensions - 16.38" x 16.38" x 20.50". BTU/h - 12,000. Optional electric element input - 1,440. Recovery rate electric only (Gallons/Hour) - 6.1; Recovery rate gas only (Gallons/Hour) - 10.1. Backed by a 2-year limited warranty and a 3-year tank limited warranty.

Rank No. #2

6 Gallon RV Tank Water Heater, KINGRVER HybridShower 6 – RV Gas and Electric Water Heater with Built-in Anode Rod, Porcelain Lined Steel Tank with Spark Ignition (DSI)

EASY UPGRADE! PERFECT FIT FOR SUBURBAN & DOMETIC: Tired of your old, slow, or leaky 6-gallon RV water heater? The KINGRVER is designed as a direct replacement for most Suburban and Dometic models. It matches the standard 13"x13" opening & 15"x15" door, making installation a breeze. Get a next-gen upgrade in heating, insulation, leak protection, and ease-of-use!
HOT WATER YOUR WAY! FLEXIBLE DUAL-FUEL POWER: Quickly replenish hot water anytime, anywhere! Propane-Only: Ideal for off-grid freedom. Electric-Only: Save propane using campsite/generator power. Dual-Fuel BOOST: Get blazing-fast hot water for multiple showers or quick recovery – perfect for families and high demand. Say goodbye to cold shower surprises!
BUILT TO LAST! ADVANCED TANK & CORROSION SHIELD: Stop worrying about tank rust and leaks! Our KINGRVER features an upgraded, easily replaceable anode rod providing superior protection against corrosion. This means a longer-lasting tank, fewer maintenance headaches, and more time enjoying your adventures.
CUSTOM COMFORT & SAFETY! 3 ADJUSTABLE TEMP SETTINGS: Unlike old fixed-temp heaters, YOU control the heat! Choose a lower temp in summer to prevent scalding, or crank it up for a cozy hot shower in winter. Plus, enjoy peace of mind with multiple built-in safety features: Dry-Burn Protection, Water Pressure Protection, and Overheat Protection. (CSA Certified for Safety & Quality)
DROP-IN REPLACEMENT! INSTALLS IN MINUTES (DIY-FRIENDLY): Designed for hassle-free installation, this heater is a perfect fit for older 6-gallon RV models. It uses the standard 13"x13" opening, and connects easily to your RV’s existing 12V DC (for gas ignition) and 120V AC (for electric heating) power. Water inlet/outlet ports are standard 1/2" NPT. Get back on the road faster!

SaleRank No. #3

WH-6GEA RV Gas and Electric Water Heater - 12 Volt 6 Gallon

EXTENDED HOT WATER SUPPLY: Designed for efficiency, this unit provides a steady supply of hot water, making it ideal for longer showers or filling larger tanks.
LOW MAINTENANCE: Built with an aluminum tank that requires no anode rod, this heater is simple to maintain—no fuss, no corrosion worries.
COMPACT AND CONVENIENT: With a 6-gallon capacity and compact dimensions (16" x 16" x 14"), this model is perfect for tight RV spaces. It’s easy to install and delivers dependable hot water for mobile living.
PREMIUM PERFORMANCE FOR RV LIVING: Engineered for on-the-go comfort, this top-tier water heater offers fast and consistent hot water output—perfect for life on the road.

SaleRank No. #4

Ranein 65,000 BTU RV Tankless Water Heater, High Altitude Available, 12V, CSA Certificated, with Multi-function Controller, On Demand Instant Hot Water Heater, Compatible with all RVs

【We've upgraded.】On top of the original. We have upgraded the multi-function remote control. You can view gas usage, voltage, GPM, does anti-freeze device activates, and 9,800ft high altitude available.
【Replaces all RV water heaters】It has a 12.8 x 12.8" (without door) opening, easy to replace Suburban & Atwood's 6/10/12 gal tank water heaters and your old water heater with appropriate doors. The fitting door kit is available for purchase in 3 sizes: 15" x 15", 15" x 18", or 18" x 18". Door Requires Additional Purchase, Door ASIN: B0D62541MK
【Long time bath】Deep fire row design can improve heating efficiency. It can produce up to Max 3.9 GMP hot water and has 65,000 BTU power. It can bring you hot water all the time when there is enough gas and water. There is no need to wait for the water to heat up and take a quick bath like with a tank water heater
【Steady temperature】Temperature ranges from 95°F-124°F. Staged combustion technology controls the amount of flame in summer, prevents the water from getting too hot, and saves the limited propane gas available for caravan travel
【Save money and comfort】The a tankless RV water heater with a pressure relief valve built into the unit. You don't have to buy and install it separately. It also comes with a PC 6.6 feet intelligent remote controller. This product does not come with a door and needs to be purchased.

Rank No. #5

Feelrogast Electric Tank Water Heater-8 Gallon Under Sink Instant Hot Water for RV, Camper, Kitchen, Food Truck, 120V 1500W, Wall or Floor Mounted

[Instant Hot Water & Rapid Reheat] Feelrogast electric mini tank water heater rapidly heats water, minimizing your wait time and efficiently meeting your hot water needs. The 316 stainless steel heating element achieves up to 99% heat utilization. Temperature is adjustable from 86-167°F for simple, convenient operation.
[High quality and durability] This product is CE, ROHS, and FCC certified, ensuring safety and reliability. The 1.88mm thick stainless steel tank is pressure-resistant and explosion-proof, with a 500-800μm enameled layer using a unique double process to prevent cracking, rusting, and leaks, for long-lasting performance.
[Safety Protection] Electrical insulation on inlet/outlet. Leakage protection plug. High-quality insulation. High-temp limiting device and auto temperature control. Multiple layers of protection for safety.
[Convenient Installation] Wall-mount, rack, or floor options, with hidden install. 1/2" NPT water connectors. 110/120V, 1440W. Max 109 PSI pressure. 44-inch power cord with plug. Use 20-amp breaker for electrical safety.
[Compact and versatile design] The streamlined design allows efficient space-saving, enabling under-sink installation. Highly suitable for RVs, camping, and other locations needing hot water supply, like kitchens, bathrooms, garages, food trucks, offices, and salons.

Last update on 2025-09-19 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Rv Hot Water Tank?

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Is it worth buying an Rv Hot Water Tank?
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Brand Value: Every brand of Rv Hot Water Tank has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Rv Hot Water Tank?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Rv Hot Water Tank.
Customer Ratings: Number ratings grade Rv Hot Water Tank objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Rv Hot Water Tank.
Product Quality: You don’t always get what you pay for with an Rv Hot Water Tank, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Rv Hot Water Tank is should be an indication of how long it will work out for you.

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FAQ:

Q: How do you clean RV hot water tank?

A: An RV water tank needs to be cleaned at least once a year in order to prevent bacteria from growing in the system. You can do this by pouring chlorine bleach and clean water into the tank. While you are taking care of the tank, consider activating the RV’s pump to sterilize its water lines as well.

Q: Where is the hot water heater on a RV?

A: The RV water heater has a water line at the bottom where the cold water goes in. On top of that line, there is a hot water line that feeds your pipes. If there is a middle pipe that connects these two lines, congratulations, you have just located the RV’s bypass valve.

Q: How much does it cost to replace a hot water tank?

A: Total cost to replace a water heater, tank style, mid-size and average quality, is about $700, including the heater, related materials, labor, and disposal of the old unit. The cost to install a tankless water heater is closer to $1000, not including any gas line upgrades that may be required.

Q: When to replace the hot water tank?

A: When water begins to leak from the bottom of a water heater, it is time to replace it. Leaking is a sign of corroding and wear within the tank. Most hot water heaters last for at least 10 years, and some will stay in good shape for up to 20 years.

Rv Hot Water Tank