









MIZUDO 800GPD Megaflo Hot RO System, 9-Stage Purification, Under Sink Tankless Design
- Purification + Heating – 2.1L/min flow, 6-level temp control
- 9-Stage RO Filtration – 99.99% filtration, no limescale or rust
- Precise Temp – 104℉-203℉, ideal for drinks & baby formula
- Water & Energy Save – 3:1 pure-to-drain, $0.1/day
- Smart Faucet – Temp, TDS, filter status, child lock
- Reliable Support – 1-year free repair, lifetime guarantee
Advantage Comparison:
Megaflo Hot 800gFree Shipping
30-Day Free Return
24/7 Support
- 【All-in-1 RO Purification & Instant Heating System】Tired of waiting for water to boil and unsafe water quality from traditional kettles and dispensers? Our industry-first under-sink RO filter system combines water purification and instant heating, offering a huge 2.1L/m high flow rate and 6-level temperature control to meet various needs. No more worries about limescale or rust buildup during heating, thanks to the advanced 9-stage reverse osmosis filtration system that removes up to 99.99% of pollutants as small as 0.0001 microns, including heavy metals, chlorine, fluoride, cadmium, TDS, PFAS, etc.
- 【Unrivaled 9-Stage Filtration System】Frustrated upon diminishing flow rates and decreasing purity? Our self-cleaning 9-stage RO filtration system ensures an extended filter lifespan and durable performance for up to 3 years. With a filtration area that is 2X larger, our water filter prevents clogging and enhances filter efficiency by up to 70% compared to traditional tankless ro system.
- 【Precise 6-level temp control】Imagine how useful it can be when hot water meets purity! Customize drink temperatures from 104℉ to 203℉, perfect for coffee, tea, oats, baby formulas, soups, or cocoa. With an 800G capacity, this system fills a cup in 5 seconds or a saucepan in just 20 seconds, catering to all intensive water needs during large gatherings or parties.
- 【Big Water & Energy Saver】No more juggling between electric kettles, water purifiers, thermos, and water dispensers. Our RO hot water system is the ultimate all-in-one solution that saves over 70% on water and electricity costs compared to conventional heating devices. With its 3-year RO filter lifespan and a remarkable 3:1 pure-to-drain ratio, you can slash your daily cost to as low as $0.1 per day.
- 【Innovative External Heating Technology】Enjoy faster heating with no worries! Unlike common hot water dispensers,we innovatively adopted external tank heating instead of internal heating from inside the tank, which eliminates electric leaks, enables faster and more uniform heating with a larger heating surface, and avoids temperature fluctuation by separate cold and hot waterways.
- 【Smart Display Touch Faucet】With our high-end touchscreen faucet, you can view water temperature, TDS level, filter status, and adjust desired temps in a flash. It also features child lock and temp indicators for added safety. Embrace smart living with this reverse osmosis water filtration system!
- 【Quick Install and Zero Maintenance】You can install the system in 3 minutes and change the filter in 3 seconds without moving the system or using any tools. Moreover, its food-grade and high-pressure-resistant design requires zero maintenance, freeing you from leaks or the hassle of cleaning rust, mold, and limescale. We offer outstanding 1-year free repair and replacement, along with a lifetime quality guarantee from our team of water experts based in the US.
- 【360° Safety Assurance】We prioritize user safety in every aspect with a range of safety functions. Such as anti-scalding child lock, dry-burn protection, leak-proof waterway, and food-grade T304 stainless steel tank, ensuring it is free from lead, plastic, and BPA materials.
User Manual
Choose options










Advantage Comparison:
Megaflo Hot 800gWhich is the Best for You?






WD800
WP800
WP1000
NSF/ANSI
NSF/ANSI
NSF/ANSI
800GPD
800GPD
1000GPD
3:1
3:1
3:1
18.5" x 7.3" x 17.7"
17.7" x 5.5" x 15.4"
17.7" x 5.5" x 15.4"
34.4 Pounds
24.3 Pounds
24.3 Pounds
Smart Screen Faucet
Smart LED Faucet
Smart LED Faucet
Filter lifespan & TDS & Temperature adjustment
Filter lifespan & TDS
Filter lifespan & TDS
Faucet: Lead-free, Drawn Nickel
PCF: PPCotton, Carbon Block
Plastic RO: RO Membrane, Plastic
Faucet: Lead-free, Drawn Nickel
PCF: PPCotton, Carbon Block
Plastic RO: RO Membrane, Plastic
Faucet: Lead-free, Drawn Nickel
PCF: PPCotton, Carbon Block
Plastic RO: RO Membrane, Plastic
PCF-12 Mths
RO-36 Mths
PCF-12 Mths
RO-36 Mths
PCF-12 Mths
RO-36 Mths
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√
√
√
√
√
9 Stages
9 Stages
9 Stages
Need help?
Frequently Asked Questions
No, the Mizudo WD800 RO system features advanced water-saving technology, ensuring an efficient 3:1 drain ratio—producing one cup of wastewater for every three cups of pure, clean water.
This unit provides filtered water quickly, with a max warm water flow rate of 1.1GPM and a 0.6GPM in other modes.
The faucet supports 180° rotation, just hold it and rotate.
Absolutely! The system has a warm water function with a temperature of 55°C (131°F) and a flow rate of 1.1 GPM. You can also choose different temperatures as needed.
After installing, the heating tank needs to be flushed 2 to 3 times to prevent impurities in tank.
The Mizudo WD800 RO system uses a 9-stage filtration process to remove up to 99.99% of harmful substances, including heavy metals, chlorine, fluoride, cadmium, TDS, PFAS, limescale, rust, and other pollutants as small as 0.0001 microns.