10 Best Demand Water Heaters

Product Features

• Note: Things to know before buying, Our Orbek tankless water heater electric 14kw requires a 240V/60AMP two-pole breaker, 1 set of 6 AWG wires and 1/2" NPT water connections
• Instant Hot Water Supply: Orbek electric tankless water heater 240v can provides up to 3.38 GPM of on demand endless hot water and ensure comfortable hot water for 2-3 points of use simultaneously
• High Energy Efficiency: This on demand hot water heater electric utilizes water-electricity separation to minimize scale and corrosion. It provides endless hot water in just 3 seconds with an impressive efficiency, potentially reducing electricity costs by up to 60% compared to traditional tank-style heaters
• Comprehensve Security Protection: The tankless hot water heater is ETL certified and packed with advanced safety features, including leakage protection, over-temperature protection, dry-heating protection and lighting resistance etc. Each product undergoes rigorous testing before leaving the factory to ensure its safety and normal operation
• Stable Temperature Control: The built-in chip adjusts heating power 20,000 times per second, keeping water temperature stable within 1°F for a comfortable shower experience
• LED Digital Display: Our tankless electric water heater features a high-definition screen with soft lighting for easy temperature adjustments between 86°F and 140°F. It also displays real-time temperature changes
• Easy Install: With a compact size of 14.2"H x 9.5"L x 3.1"W, our electric hot water heater saves over 50% of space compared to traditional tank water heaters, fitting easily into most corners of your home. We have also made structural improvements to the product to make installation easier
• After-Sale Service: We offer 2 years returns & exchange support along with long-term professional technical consulting services

Product Features

• Endless Hot Water For Every Need: Enjoy the convenience of our tankless hot water heater with a 5.3 GPM flow rate, delivering unlimited hot water to multiple appliances for your busy household
• Energy-Efficient Performance: Our propane tankless water heater conserves energy by heating water on demand, ensuring you use energy only when needed while enhancing the unit's lifespan with improved scale detection features
• Optimal Space-Saving Design: The compact design of this outdoor propane water heater allows for installation in tight spaces while providing powerful and consistent hot water flow, perfect for families and individuals alike
• Professional Installation Recommended: Ensure seamless performance and longevity by having a qualified technician install your Rinnai tankless water heater, offering peace of mind and adherence to safety standards
• Reliable Warranty Protection: Backed by a robust warranty, our Rinnai water heater includes a 10-year warranty on the heat exchanger, a 5-year warranty on labor, and a 1-year warranty on parts, confirming our commitment to quality

Product Features

• 【Tankless Heater Clean Kit】This cleaning kit comes with everything you need to maintain your water heating system. Helps maintain the performance and extend the life of your tankless hot water heater. Easy to follow and quickly connects to your tankless isolation valves using the supplied hoses. All you need to do is mix 1 gallon of vinegar or biodegradable cleaner with 1 gallon of water to flush the tankless water heater. ( The vinegar and biodegradable cleaning agent are not included)
• 【Submersible Sump Pump】1/6HP energy-efficient PSC motor with thermal overload protection, has the ability to deliver water to maximum height 16.5 feet and flow rate is 1100GPH, quietly running. Portable small pump with 10 feet power cable for easy use.
• 【Easy to Use】This kit includes 3 gallons bucket with a bucket lid opener, 1/6HP utility pump with 2 adapters and 2pcs 6’ x 1/2” PVC hoses with washers. They are easy to install, can be directly connected to use.
• 【Bucket Lid Opener】Adopts ergonomic design, reasonable and reliable, with a long enough handle to provide maximum leverage; anti-slip grip is with finger grooves for safe handling; allowing you to open the lid with the least effort, there is a hook shape on the opener mouth for easily prying.
• 【Specification】Model: SUB1100KIT02; Pump Volts/Hertz: 115V/60Hz; Pump Power: 1/6 HP; Pump motor full load: 1.5 Amps; Pump Max Head: 16.5 FT; Pump Max Flow: 1100 GPH; Pump Max Submersion Depth: 23 FT; Pump Max Fluid Temperature: 95 ℉; Pump Size: 5.9 x 5.9x 8.3inches; Bucket Size: 9.8 x 9.8 x 11.4 inches
• 【Customer first】One-year limited warranty. For any question, please don't hesitate to write to us through our storefront and click "ask a question", or support email to us, we will respond within 24 hours.

Product Features

• HIGH QUALITY & LONG LAST - The small water heater has UL listed and uses a glass-lined tank with good insulation, and freezing mode can prevent the water tank from freezing, ensure a long service life
• EASY TO INSTALL & USE - On demand water heater can be a shelf, wall, or floor-mounted (bracket included); connect the water pipe, 1/2" NPT water connections, after filling the water tank, 43.3" cord plugs into the power supply (120V/12A). Product dimension:14.5" W x 14.5" H x 12.9D"
• OVERHEAT PROTECTION - When the water temperature of the under sink water heater exceeds 203°F, the electric hot water heater will automatically shut down. Protect the safety of you and your family
• ADJUSTABLE TEMPERATURE - The point of use water heater has 3 temperature level settings, range from 68°F to 140°F. Thermal efficiency up to 98%
• CONVENIENT HOT WATER - No need to wait for hot water at the sink, get on-demand hot water at your every need
• 3-year support for parts and 24 hours customer service

Product Features

• Performance: The on-demand tankless water heater boasts a heating capacity of 80,000 BTU and a hot water flow rate of 3.6 gallons per minute (GPM). It can provide continuous hot water for 2-3 water supply points, making it sufficient to meet the hot water needs of a household's bathroom, kitchen, and bar area.
• No Waiting Required: Unlike traditional tank water heaters, tankless water heaters eliminate the need for a 30-minute preheating wait time, allowing you to have unlimited hot water on demand.
• Provides 4 modes: Dish mode(100℉), Fruit mode(95℉), Elderly mode(104℉) and Infant mode(107℉). More convenient for you to use.
• Save Money: The kit already includes the exhaust pipe, so you don't need to spend extra money on purchasing it separately. With an oxygen-free copper water tank, it reduces heat loss and lowers energy consumption. Applied with standard 1/2" NPT water fitting and gas inlet.
• Recommendation: We strongly advise that all installations of the device adhere to local building and plumbing regulations at the installation location, and should be carried out by licensed professionals.(Not recommended for areas over 2,000 feet)

Product Features

• Extreme Durability and High-Heat Resistance: Experience all-day comfort for long hours on hot asphalt with the HexArmor asphalt boots. The rubber MACSOLE outsole is heat-resistant to contact heat up to 572°F, outlasting your typical work boot while still being made from durable materials
• Breathable & Ergonomic Design: Minimize strain on feet, ensuring comfort and stability on uneven surfaces with the ergonomically shaped heel basket and patented five-layer sole design. Plus, the outer profile is nearly flat with our non-marking sole technology to prevent tread marks in fresh asphalt
• Impact Protection & Shock Absorption: Superior impact protection and support with the shock-absorbing PU midsole and composite toe that conforms back to its original shape after impact
• Increased Flexibility & Durability: Improve both flexibility and longevity with the seamless design in high-flex areas and minimal stitching on the upper boot
• Water-Resistant Safety Features: Optimal visibility and protection with the full-grain leather upper with reflective side strips and water-repellent properties

Product Features

• ON/OFF Dial Control with adjustable digital temperature display
• Self-modulating power control
• 11kW Model Flow Rate: up to 2.68 GPM
• Side 1/2" NPT water connections
• On demand, consistent and continuous hot water

Product Features

Product Features

• The tankless water heater operates at 3000W and can efficiently increase the water temperature by 45°F at a flow rate of 0.3 GPM or by 27°F at 0.5 GPM. You can adjust the outlet temperature by varying the water flow: a higher flow leads to a lower temperature, while a lower flow results in a higher temperature. However, this model is not recommended for showers, as they typically require a minimum flow rate of 1.8 GPM.
• Constructed from premium materials, it features a 304 stainless steel lining, a 316L stainless steel heating pipe, a durable ABS shell, and a corrosion-resistant brass interface. It includes multiple safety features such as leak protection, dry-heating prevention, electrical isolation, sensor fault detection, and grounding protection. With an IPX4 waterproof rating, it ensures safe operation in various environments, offering peace of mind.
• The automatic standby mode ensures you have access to heated water whenever you need it, and the one-touch operation adds to its convenience. This compact water heater is perfect for use in small spaces like kitchens, apartments, bathrooms, and RVs.
• Important considerations before purchase include the fact that it requires 3000W at 110V, which draws a maximum of 27A, necessitating a 31A breaker and 10 AWG wire. The water connection is G1/2.
• For installation, it’s essential to mount the unit vertically to prevent malfunctions of the heating elements (E2) and to securely fasten the pipe connectors using Teflon tape to avoid short circuits (E2).