To help you find the best indirect water heater for your needs, here’s what to look for and our top picks at a variety of price points.
Our Editor’s Best Indirect Water Heater Reviews
Weil Mclain 633-900-130 Thermostat (Aquastat) Kit For Residential Indirect Water Heaters
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This kit includes a thermostat and aquastat for Weil McLain indirect water heaters. It is for residential use and helps to keep your water heater at the optimal temperature.
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This indirect water heater is for use with the GOLD / Ultra Plus 30/40/60/80 models.
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This indirect water heater includes a knob and instructions for adjusting the temperature range from 90°F to 160°F. It does NOT include a cover plate.
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This is an indirect water heater that is meant to be used in conjunction with a boiler. It is made by the company “Sales Reference,” and the model number is “10H001.”
TRIANGLE TUBE P3KITTH03 194F AQUASTAT for Smart INDIRECT Water HEATERS
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AquaMotion Aqua-Flash 70606 Recirculating Pump Kit for Hot Water Tanks and Indirect Heaters
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This indirect water heater will deliver hot water to every tap in your home with a simple and easy installation.
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The pump for hot water tanks helps to circulate the water in the tank and the valve for installation under the sink helps to control the flow of water to the sink.
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This is a single-speed pump with a stainless steel housing. It is designed for use with indirect water heaters.
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This is an indirect water heater that is designed for a medium length pipe system. It is approximately 250 feet long.
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This water heater is designed to hold up to 5 valves per pump, making it a great choice for those who need a lot of hot water at once.
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This indirect water heater kit includes a stainless steel pump with a 3/4 inch FNPT union, built-in timer, 10 Ft line cord, bronze by-pass valve with check valve, 12 inch NSF hose, and tee.
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
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This indirect water heater provides on-demand hot water that is consistent and never runs out. The temperature is monitored and controlled to ensure efficiency and consistent performance.
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This water heater is 90% smaller than traditional tank heaters, and can be installed on a wall or at the point of use. It has dimensions of 11.5 x 8 x 3.75 inches.
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The EcoSmart tankless electric water heater is a highly efficient water heater that only heats water when called, unlike a tank heater that maintains water temperature even when not being used. This makes it an excellent choice for those looking to save energy and lower their energy bills.
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The EcoSmart ECO 11 Indirect Water Heater is a tankless electric water heater that is ideal for providing hot water for a bathroom, small sink, office breakroom, or other low-flow applications. It provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature.
EcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW – Quantity 1
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This water heater is designed to provide hot water on demand, and is monitored to ensure consistent performance and efficiency.
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This indirect water heater is 90% smaller than traditional tank heaters, can be installed on a wall or at point of use, and has dimensions of 17 x 17 x 3.75 inches.
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The EcoSmart tankless electric water heater is a highly efficient water heater that only heats water when called upon, as opposed to maintaining a constant water temperature like a tank heater. This can save the user up to 50% in water heating costs, as per the Department of Energy.
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The EcoSmart ECO 27 is a tankless electric water heater that is ideal for providing hot water for whole home applications. It provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature.
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This indirect water heater has a limited lifetime warranty on electronics, exchanger and element. It is UL-499 certified and ETL Listed.
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This is an indirect water heater that requires three 40 Amp double pole breakers.
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This indirect water heater requires a 200 amp electrical panel.
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The ECOSMART tankless water heater is an indirect water heater that provides a never-ending supply of hot water. It is great for families or homes with multiple bathrooms, as it ensures that there will always be hot water available.
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This indirect water heater can save up to 12 cubic feet of storage space, making it ideal for those who want to save space in their home.
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This indirect water heater has a digital temperature control that allows users to increment the temperature in 1-degree increments. This gives users complete control over the hot water.
Bosch Thermotechnology Tronic 5000 T 40-Gallon Standard Electric Storage Water Heater (ES40M)
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This indirect water heater has dimensions of 20.25″ W x 49.14″ H x 20.25″ L, making it a good size for a maintenance closet, access closet under the stairs, or crawl space. It is also well-suited for replacement projects.
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This indirect water heater has two magnesium anode rods for tank protection, a dielectric heat trap, and a heavy gauge steel tank for extra years of trouble-free service. The glass-lined steel tank helps prevent corrosion.
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The indirect water heater has a 10-year tank and parts limited warranty.
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This indirect water heater is HFO foam insulated, which reduces fuel costs and increases energy efficiency. It has double heating elements to conserve energy, and Incoloy elements for a long-lasting unit.
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The indirect water heater is a tank that heats water indirectly by surrounding the tank with heating coils. The advantage of this type of heater is that the tank does not require a separate heating element, which can be a source of energy loss. The indirect water heater also has factory-installed electric hot and cold water connections for extended tank life, an easy-to-use plastic drain valve for maintenance, and factory-installed heat traps to reduce heat loss. A temperature and pressure relief valve is included, and the heater is fully-automatic with surface mount thermostats.
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) – Eliminate Time for Hot Water – Shelf, Wall or Floor Mounted
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This is an indirect water heater that is 2.5 gallons and fits under your sink. It provides hot water where you need it and is 98% efficient. The dimensions are 13.75 W x 13.75 H x 10.75 D inches.
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This electric water heater is easy to maintain and has a long service life. It is made of premium glass-lined material.
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This water heater is designed to be installed independently from other appliances, or in line with a large hot water source. It comes with a 36-37″ cord that plugs into a 120 volt outlet.
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This is an indirect water heater that will eliminate long waits for hot water at your sink. It has a fast recovery rate and can supply up to 2 sinks at a time.
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This indirect water heater can be mounted on a shelf, wall, or floor (bracket included). You can tap into the cold water line and install the water heater directly at the sink to provide hot water.
Turbo Tank Cleaner – Water Heater Hard Water Sediment DIY Cleaning Tool
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This indirect water heater is a great way to improve the efficiency of your water heater and increase your hot water supply. It is also a great way to reduce your energy bill.
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The indirect water heater is a great way to heat your water. The Turbo Tank Cleaner works to break up the large sediment deposits collected at the bottom of the tank, so you can flush them away and have clean, hot water.
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The Universal water heater tank cleaner is a chemical-free way to clean all types of water heater tanks, gas and electric. It is not for tankless water heaters.
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This water heater has a clear housing, which allows you to see the sediment removal process as it happens.
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The indirect water heater is quick and easy to install – you don’t need to drain the tank, and it works with any cordless drill and standard garden hose.
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The indirect water heater is made from ABS plastic and has stainless steel reinforced threads, making it a durable product.
Immersion Water Heater, GESAIL 1500W Submersible Immersion Water Heater with Full 304 Stainless-Steel Guard, Bucket Heater Heats 5 Gallons of Water in Mimutes Black
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This indirect water heater is a 1500W, 120V bucket water heater that must be used with a 15A outlet. It will heat 5 gallons of water in a few minutes. The portable immersion heater will heat water continuously over 180 degrees F and towards boiling, but it cannot boil water. Just make sure the water is always full and cover the water immersion heater.
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The indirect water heater has a rust-proof, stainless steel guard that protects the heating element from coming into direct contact with people or animals. The guard also has holes in it that help dissipate heat into the water more quickly.
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This indirect water heater is easy to use – simply place it in a container of boiling water and let it do its job. In a few minutes, you’ll feel the difference!
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This is an immersion heater that can be used in a bucket, basin, bath tub, or mini inflatable pool. It is perfect for winter time jobs like car washing or heating water on a job site.
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This indirect water heater comes with a full one year warranty against defects. If you have any problems, you can contact us and we will help you solve them. The package includes one bucket heater and a manual.
Airthereal Electric Tankless Water Heater, 9kW, 240Volts – Endless On-Demand Hot Water – Self Modulates to Save Energy Use – for Sink and Faucet, Evening Tide series
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The Airthereal Electric Tankless Water is an indirect water heater that provides hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
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This wall-mounted water heater is much more space-efficient than a traditional hot water heater with a tank, as it uses 90% less space.
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This water heater is more efficient than a typical tank water heater because it only heats up water when you need it, rather than storing hot water in a tank. This can save you up to 50% on water heating costs.
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This indirect water heater requires 240 volts and a 40 amp circuit breaker.
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This indirect water heater is safe to use, with high temp protection, dry heating protection, and electrical leakage protection. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.
Indirect Water Heater FAQs
1. What is an indirect water heater?
An indirect water heater is a type of water heater that uses a heat exchanger to heat water. The heat exchanger is usually located in the boiler, and the water is heated by the boiler’s hot water.
2. How does an indirect water heater work?
An indirect water heater is a type of water heater that uses a heat exchanger to heat water. The heat exchanger is a device that transfers heat from one medium to another. In an indirect water heater, the heat exchanger transfers heat from the water in the tank to the water in the pipes.
3. What are the benefits of an indirect water heater?
Some benefits of an indirect water heater include: -more efficient than direct water heaters-longer lifespan-require less maintenance
4. How do I choose the right indirect water heater for my home?
The size and type of indirect water heater you need depends on the size of your home and your hot water usage.
5. How do I properly maintain my indirect water heater?
To properly maintain your indirect water heater, you should flush it out every six months to remove any sediment that has built up. You should also check the anode rod annually and replace it if it is more than half consumed.
Conclusion
There are many great indirect water heater on the market. Our list of the best indirect water heater will help you save time researching and choosing the best one for you.