Contents

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

2,249 Reviews Scanned

Rank No. #1

Suburban Manufacturing SW6DE RV WTR HTR 1 PK - 5239A

6 gallon water tank
12,000 btu rating, With Insulation: Yes
Weight: 32.9 lbs
D- 12 Volt DC Direct Spark Ignition Gas Heating System

Rank No. #2

RecPro RV Tankless Water Heater | On Demand Hot Water Heater | Gas Water Heater | Remote Control (White)

No more waiting for the water tank to warm up or running out of warm water halfway through your shower. With this amazing machine, you can have a steady stream of hot water flowing to your faucets or shower without waiting for the tank to warm up.
There is a forced exhaust structure that keeps the air safe and clean while and after entering the combustion chamber. There is also a dust net to make sure no dirt gets into the tankless water heater.
There is a low water pressure startup, which helps to protect the heater and make it easier to use.

Rank No. #3

FOGATTI RV Tankless Water Heater, InstaShower 6, Gen 2, with 15 x 15 inches White Door and Remote Controller, DC 12V, Optimized Summer Comfort Performance, Ideal for RVers' Family Use

Optimum Performance — The RV water heater needs to be connected to 12-volt DC power and propane. Inlet and outlet water connections are 1/2“ NPT, gas inlet is 5/8" UNF. No special propane gas lines or special plumbing is required. One is enough to provide the entire RV with hot water. It is easy to operate, turn on the hot water and mix the cold water to reach the desired temperature to enjoy instant and endless hot water.
All RV Water Heaters can be Replaced — The Fogatti RV water heater has a wide range of applications. The opening is 13 x 13 inches, and the door is 15 x 15 inches. It can replace Suburban and Atwood's 6 gallons tank water heaters, as well as Girard and Furrion's tankless water heaters. If you previously used a 10 gallons tank water heater, it would need to be retrofitted with an 18 x 18 inches door.
Incessant Hot Water — More efficient and reliable than traditional tank water heaters. It does not require you to waste 20-30 minutes waiting for hot water in the middle of a shower. Tank water heaters have a limited capacity of 6-10 gallons and can run out of hot water in 5-8 minutes, while our heater provides over 40 minutes of consistent hot water.
Unprecedented Experience — The high altitude suitability mode allows the machine to run smoothly even when driving the caravan to the high Denver plateau at 9,800 feet. Built-in Anti-freeze protection is included. No bypass is needed to winterize.
Staged Combustion Technology — There is a microcomputer inside the control device, which controls the amount of flame in summer and winter, prevents the water from getting too hot or too cold, saves the limited propane gas available for caravan travel.

Rank No. #4

Dometic WH-6GEA RV Gas and Electric Water Heater - 12 Volt 6 Gallon Silver Burner-Quick Heating Burner System for Indoor Installation

QUICK AND EFFICIENT HEATING: The Dometic water heater has a powerful burner system that heats water quickly, reducing wait times for hot water. It also has an electric heating element that provides additional input, ensuring you have hot water when you need it.
EXTENDED HOT WATER: The water heater design allows you to enjoy hot water for longer periods, making it perfect for longer showers or filling up larger tanks.
LOW MAINTENANCE: The Dometic water heater features an Aluminium tank that requires no anode rod, making maintenance easy and hassle-free.
CONVENIENT SIZE: The Dometic WH-6GEA has a capacity of 6 gallons and compact dimensions of 16 x 16 x 14 inches. It is easy to install indoors and provides a reliable and convenient source of hot water for your RV or mobile home.
MARKET-LEADING WATER HEATER: The Dometic WH-6GEA is a top-of-the-line water heater designed for mobile applications. Its robust burner system generates hot water quickly and for longer durations, ensuring a comfortable and convenient showering experience while you're on the go.

Rank No. #5

FVSTR Electric Mini-Tank Water Heater, 2.5-Gallon Point of Use for Instant Hot Water, 1440W, 120V - Shelf, Under Sink, Wall or Floor Mounted, Etank Series

✔After installation, open the water inlet valve and turn the tap to the hot water outlet. When water comes out, turn on the knob and turn it to the heating point. Turn the tap off. Wait for 20-30 minutes for the first heating. When the heat preservation lamp is on, you can turn on the tap and use it
✔ 2.5 Gallons Capacity 2.5 gallons capacity glass-lined tank, stores up to 2.5 gallons water to provide hot water where you need it. Fast recovery rate eliminates long waits for hot water at your sink. Supplies up to 2 sinks at a time.
✔ Reduce Heating Losses Short distance hot water supply, minimize wait time for hot water,saving energy and your bills.Whether as a sole water heating source for a single sink or as a supplement to an existing heater located far from the sink, this premium mini-tank water heater's stand-by loss is minimal !
✔Mini-Tank Water Heater fits for under sink. Provides hot water quickly at point of use and comes with CSA listed temperature /pressure relief valve installed - 2.5 gallons / 4 gallons / 6 gallons tanks feature a simple 120 V plug-in connection (1440 watts).
✔ADJUST IT TO YOUR EXACT NEEDS EFFORTLESSLY! Our electric tankless hot water heater features 4 power levels (1-4) so you can easily tailor its performance to your family’s needs. Adjust the current from 10 Amps - 30 Amps resulting in 1.5 kW to 6.0 kW of power, which is ideal for any home application. Plus, you can easily adjust the temperature using the Water Flow Regulator included in the packaging.

SaleRank No. #6

GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534

POWERFUL PERFORMANCE — At 42,000 BTUs, this continuous hot water heater provides optimal performance for RV plumbing. The quiet, brushless motor runs on 12V power that operates at less than three amps for a nearly noiseless operation
CONSISTENT TEMP — The onboard microprocessor monitors incoming cold water temperature, flow rate and outgoing hot water temperature to maintain a steady water flow. It also regulates the burner to maintain a consistent temperature, preventing cold spots and scalding water
HIGHLY EFFICIENT — The Girard RV tankless water heater consumes half the LP gas that a six-gallon tank water heater would consume for the same amount of hot water
INTELLIGENT CONTROL — With a digital user control panel, you can adjust the temperature setting from 95 to 124°F, toggle between Fahrenheit and Celsius, get a continuous water outlet temperature reading and more. For easy troubleshooting, the control panel also displays error codes if issues arise
Professional Installation is strongly recommended

SaleRank No. #7

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature.Amperage Draw : 54 A.Special Features: ‎Energy Efficient
Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution

Rank No. #8

Suburban Manufacturing Suburban Co 5238A Sw6D W/H 6 Gal Dsi , White

Recovery: 10.2 gallons/hour
Dimensions: 12-11/16"H x 12-11/16"W x 19-3/16"D
Rough Opening Requirements: 12-3/4" x 12-3/4" Minimum. With Indicator Light: No
Gas Input: 12,000 BTU. Unit Net Weight when empty is 33.3 lbs and full is 81.9 lbs
Direct spark ignition features a remote switch that electronically controls the water heater

Rank No. #9

Suburban 5243A Electric Water Heater SW10DE with Direct Spark Ignition - 10 Gallon

Indoor switch for control and operation
Capacity: 10 gallons
Ignition Type: Direct Spark Ignition
Dimensions: 20-1/2" Depth, 16-7/32" Width, 16-7/32" Height

SaleRank No. #10

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water

Rank No. #11

EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology , 17 x 14 x 3.5

The product is highly durable
The product is easy to use
Manufactured in China
Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire

SaleRank No. #12

Stiebel Eltron 233219 2.5 gallon, 1300W, 120V SHC 2.5 Mini-Tank Electric Water Heater

Plugs into standard 120 volt outlet
T and P valve included
Wall-mounted with included bracket
Glass-lined tank and fast recovery
6-Year warranty on tank

Rank No. #13

KENUOS Mini-Tank Electric Water Heater 110/120V Small Compact Tank Storage,Stainless Steel Water Hose 9.5L Rv Tr 2.5 Gallon Trailer 1.5KW Kitchen Instant Under Sink Counter Cupboard Plug in

SAFE AND DURABLE - 304 stainless steel liner, less seams, strong pressure bearing, durable, anti-pressure, explosion-proof, Leakproof, durable heat preservation.Anti-leakage plug, multiple safety protection functions protect you from the risk of burns, electric shocks and other injuries. This mini water heater is ideal for kitchens, bathrooms, RVs, and more.
SENSING TEMPERATURE CONTROL - 3 gallon 110V/120V mini water heater is installed in Kitchen Under Sink Counter Cupboard ,The LCD screen displays the working status, the machine operates and the heating water temperature reaches 167 ℉, automatic heat preservation and constant temperature, automatic control, automatic supplementary cold water heating
EASY TO USE ROTARY SWITCH - Adjustable knob switch from 80 ℉ to 167 ℉ flexible and convenient, clear and easy to control
ENERGY SAVING AND ENVIRONMENTAL PROTECTION - Mini hot water heater After reaching the highest temperature of 167 degrees Fahrenheit, it enters the constant temperature and heat preservation mode. After entering the heat preservation mode, the heat preservation can last for 24 hours when the power is turned on, and the heat preservation time can be as long as 2 hours even if the power is turned off.Power on and heat preservation all day only consumes 0.69 degrees of electricity
MINI BODY,HIGH EFFICIENCY - Extended stainless steel heating tube, 1500W power output, thermal efficiency up to 98%, fast and stable heating, meeting the water needs of various kitchens, bars, restaurants, bathrooms, RVs, etc., 6~13 minutes fast heating

SaleRank No. #14

Camco Camper/RV Water Heater Tank Rinser | Improves Water Heater Function by Flushing Out Sediment | Easily Attaches to Standard Garden Hose & Features Convenient Shutoff Valve (11691)

EXTENDS THE LIFE OF YOUR WATER HEATER: The tank rinser lifts sediment that collects at the bottom of water heaters and flushes it out. This Camco RV accessory is compatible with residential and camper water heaters.
IMPROVES WATER HEATER FUNCTION: This camper accessory helps prevent tank corrosion and also restores your hot water tank’s heating efficiency by cleaning out heat-robbing sediment.
EASY TO USE: Simply attach a garden hose to the rinser and insert it into the camping water heater’s drain valve opening. The rinser will produce a concentrated water stream into the tank, washing the sediment away.
INCLUDES SHUTOFF VALVE: A convenient, thumb-operated shutoff valve allows you to control the rinser’s water flow.
CONVENIENT SIZE & STRONGLY MADE: This RV camping accessory is 13-inches-long and is made of durable plastic that will not rust or corrode. Add this camper must-have to your RV supplies. It’s a great addition for motorhomes, travel trailers, 5th wheels, and more.

Rank No. #15

POINT OF USE WATER HEATER - Installs on-location for hot water where you need it
COMPACT DESIGN - Ideal in limited spaces like kitchens, bathrooms, laundry rooms, cabins, RVs, garages, sheds, etc
EASY INSTALLATION - Uses standard 1/2-in NPT water connections and connects into any 120-Volt supply for simple installation
HOT WATER BOOSTER - Works as a standalone unit, or inline with another water heater to boost long pipe runs or washing machines
INTUITIVE CONTROLS - Easily adjust water temperature and power at the turn of a knob to your desired settings

SaleRank No. #16

EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5

Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 17 x 17 x 3.75 inches
Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used. Save up to 50% in water heating costs according to the Department of Energy
EcoSmart ECO 27 Sizing; Refer to the sizing map. Requires 3x40 AMP Double Pole Breaker, 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications; provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed

SaleRank No. #17

2 RV Water Heater Anode Rod & 1 RV Heater Powerful Flush Wand & 1 RV Water Heater Element Wrench - 9.25"L x 3/4"NPT Thread Magnesium Rod for Suburban, Mor-Flo, Camper Hot Water Tank Cleaning Rinser

【Premium RV Water Heater Anode Rods】: Prevent corrosion and extend the life of your RV water heater with our premium anode rods. Made from non-toxic and odorless magnesium AZ63 alloy, they effectively inhibit limescale condensation on the heat pipe and inner walls. Regular replacement of these anode rods for Suburban and Mor-Flo Water Heaters, and helps you avoid expensive water heater replacements. Size: 9 ¼"" long, ¾"" diameter with ¾"" NPT thread, installation with 1-1/16"" socket (included).
【Multifunctional Tank Flusher】: Keep your RV water heater clean and efficient with our stainless steel flush wand. Designed to reach the tank bottom, it quickly removes lime deposits and eliminates dead corners. The detachable nozzle provides a strong, adjustable spray to suit different applications. It comes with a 1/2"" quick coupling and a 3/4"" garden hose fitting for convenient connection.
【Dual Hex Element Socket Wrench】: Simplify water heater maintenance with our heavy-duty wrench socket. Crafted from high-quality carbon structural steel, it features a 1-1/16 inch hex on one end to remove 3/4 inch NPT anode rods. The other end has a 1-1/4 inch hex and a screwdriver hole for easy operation. This tool allows quick anode rod removal and installation, making RV and camper water heater maintenance a breeze.
【Convenient Teflon Tape】 : Achieve a tight seal when installing the anode rod nut by using our Teflon (PTFE) tape. Wrapping it around the anode rod threads ensures a secure fit on the tank, preventing leaks and maximizing performance.
【Notes For Replacement】: Safeguard your investment by following proper precautions. Always turn off the water heater, allow the water to cool, and release tank pressure before maintenance. To prevent you from injury, and splashing of sewage, please perform this operation. Wrapping Teflon (PTFE) tape around the top of the anode rod nut will allow it to be installed on the tank a little tighter.

Rank No. #18

Magnesium RV Hot Water Anode 2-Pack with Teflon Tape Included - 4.5"L x 1/2" NPT - Durable Protection for Your RV's Hot Water Tank (2 Anodes per Pack and 2 Rolls of Teflon Tape)

Protect your RV's hot water heater: Our anode rod helps prevent corrosion and extends the life of your hot water tank.
Compatible with most RV water heaters: Our anode rod is designed to work with popular brands like Suburban and Atwood.
High-quality materials: Our anode rod is made of durable materials and is built to withstand the rigors of the road.
Easy to install: Our anode rod is simple to install and requires no special tools or expertise.
Enjoy the benefits of corrosion protection: With our anode rod, you can hit the road with confidence and enjoy hot water wherever your adventures take you.

SaleRank No. #19

Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt, 6 x 11 x 3 Inch

Can provide hot water for one sink at 0.5 GPM in warmer climates
Requires 1 x 30 amp breaker and 10 AWG wire
For one sink at 0.5 GPM in colder climates the POU 6 is recommended
Amperage Draw 29 amp. kW - 3.5 kW
Connection Fittings 1/2" NPT

Rank No. #20

GE APPLIANCES Point of Use Water Heater | Electric Water Heater with Adjustable Thermostat & Drain Valve | 10 Gallon | 120 Volt | Stainless Steel, Gray (GE10P08BAR)

POINT OF USE WATER HEATER - Installs on-location for hot water where you need it
COMPACT DESIGN - Ideal in limited spaces like kitchens, bathrooms, laundry rooms, cabins, RVs, garages, sheds, etc
EASY INSTALLATION - Uses standard 3/4-in NPT water connections and connects into any 120-Volt supply for simple installation
HOT WATER BOOSTER - Works as a standalone unit, or inline with another water heater to boost long pipe runs or washing machines
ADJUSTABLE THERMOSTAT - Easily change temperatures to your desired settings

Last update on 2023-07-31 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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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.