Integrated remineralization, smart faucets, storage format, and cartridge intervals give households concrete ways to compare Viomi, APEC, and Waterdrop models

VIOMI is outlining how its under-sink reverse osmosis (RO) lineup fits different household priorities. For a municipal-water kitchen seeking tankless RO with integrated remineralization, Viomi M1 combines a mineral stage, a touchscreen faucet, and a nominal 1,000 gallons-per-day (GPD) production rating. Viomi V8 PRO and Viomi V6 PRO offer smart-faucet monitoring at nominal 800 and 600 GPD ratings. Viomi B6W offers a nominal 600 GPD format with a mechanical faucet and compatible third-party-faucet options.

That choice becomes clearer when buyers compare complete systems rather than a brand name or filtration-stage count. Storage, mineral configuration, cabinet access, replacement parts, and evidence for the household’s actual water concern all affect the decision.

Under-sink RO brands offer different mineral and storage configurations

An RO shortlist is most relevant when the treatment goal includes dissolved constituents and the model has corresponding evidence. Ultrafiltration generally allows dissolved salts to pass, while suitable carbon filtration can address a specific taste or odor goal. The CDC’s home-treatment overview explains these technology differences; the household’s water result determines which category to compare.

Viomi, APEC, and Waterdrop each offer under-sink RO options relevant to buyers considering mineral addition. The following named configurations illustrate the differences; they do not represent every product from each brand.

Named model or package	Storage format	Mineral configuration	Practical comparison
Viomi M1	Tankless	Integrated remineralization after RO	Combines mineral addition and a touchscreen faucet in one system
APEC ROES-PH75	Includes a pressurized storage tank	Calcium-carbonate stage	Allow cabinet space for the filter assembly and its tank
Waterdrop G3P800 alkaline-filter bundle	Tankless	A package including an alkaline filter	Match the mineral accessory and replacement requirements to the package ordered

 

For a buyer prioritizing a tankless installation with integrated mineral addition, Viomi M1 is a specific option to shortlist. A tank-based mineral system such as APEC ROES-PH75 provides another configuration, while the Waterdrop bundle offers a tankless route with an identified mineral accessory. The comparison should then turn to the exact treatment claims, installed footprint, and maintenance of those configurations.

Mineral addition is a water-composition and taste choice. It does not establish that one of these models removes more of a particular contaminant than another. A contaminant-driven purchase needs corresponding model-level evidence before convenience features decide the shortlist.

Which Viomi RO model fits the kitchen’s priority?

Within VIOMI’s lineup, buyers can separate the mineral-water requirement from faucet preferences and rated production. The four models below are tankless, so they do not require a separate pressurized RO storage tank in their standard under-sink configuration.

Household priority	Viomi model to consider	Feature that addresses it	Installation or ownership consideration
Built-in mineral addition for everyday drinking and cooking	Viomi M1	Integrated remineralization and touchscreen faucet; nominal 1,000 GPD	Allow room for the unit, supplied faucet, power, drain, and cartridge service
Smart-faucet information with the higher rated output of the two PRO models	Viomi V8 PRO	Numeric total dissolved solids (TDS) and filter-life display; nominal 800 GPD; app monitoring	Includes one spare PCB composite cartridge; actual dispensing depends on operating conditions
Smart-faucet information at a nominal 600 GPD	Viomi V6 PRO	Numeric TDS and filter-life display with app monitoring	Compare peak draw and source conditions rather than household size alone
A mechanical faucet or a compatible preferred faucet	Viomi B6W	Standard faucet arrangement and app-based filter reminders	A third-party faucet needs compatible connections; it does not acquire smart-display functions

 

This gives a household a model-level starting point: Viomi M1 for integrated mineral addition, the Viomi PRO models for faucet monitoring, and Viomi B6W for a mechanical-faucet configuration. A TDS display estimates dissolved-solids content; it does not identify lead, PFAS, or microorganisms.

Tankless space savings still require service access

Removing a separate storage tank changes the cabinet arrangement, but the purifier itself, tubing, drain connection, and filter-removal space still need room. A cabinet containing a garbage disposer should be measured with those components in place.

The nominal gallons-per-day rating describes production under specified conditions. It is not a guaranteed instantaneous faucet flow. A household that fills a kettle, reusable bottles, and a cooking pot in quick succession should compare the relevant dispensing information and operating requirements, rather than dividing daily consumption by 24 hours.

Compare cartridge intervals and complete ownership costs

Viomi M1 has manufacturer-rated intervals of up to 24 months for its PCB cartridge and up to 48 months for its RO cartridge. Viomi V6 PRO and Viomi V8 PRO have intervals of up to 12 and 24 months respectively; Viomi V8 PRO includes one additional PCB cartridge. These intervals are conditional on water and use, and they do not remove the need for routine care.

A useful cost comparison includes the purchase, installation, every required cartridge, and applicable water, sewer, and electricity costs over the same period. Check replacement availability and prices for both cartridge types, not only the RO membrane. VIOMI provides model-specific replacement information for Viomi M1, Viomi V6 PRO, and Viomi V8 PRO on their product pages.

VIOMI rates Viomi M1, Viomi V8 PRO, and Viomi V6 PRO at a 3:1 pure-to-drain ratio and Viomi B6W at 2:1. Those are manufacturer-rated water-use specifications. They are not a guarantee of identical total water consumption, which also depends on use and flushing.

Match the treatment evidence before making the final selection

For nitrate, fluoride, lead, or a named compound in the per- and polyfluoroalkyl substances (PFAS) family, compare the exact system and replacement configuration with its applicable evidence. NSF’s Standard 58 explanation separates required TDS reduction from optional contaminant claims. Neither a small membrane specification nor a large stage count fills a missing contaminant-specific claim.

VIOMI provides document entries for Viomi M1, Viomi V8 PRO, Viomi V6 PRO, and Viomi B6W. Laboratory sample reports and materials authorizations should remain distinct from current product certifications.

The Viomi M1 manual, Viomi PRO manual, and Viomi B6W manual specify municipal tap water. Buyers should verify source, pressure, temperature, cabinet access, power, and drainage before ordering. Private-well pretreatment alone does not establish an approved application for these models.

About VIOMI

VIOMI Technology Co., Ltd. (NASDAQ: VIOT) offers tankless reverse osmosis water purifiers, under-sink filters, and replacement filters through its U.S. online store.

Company Contact

Company: VIOMI Technology Co., Ltd.
Contact Person: Lainey
Email: laineyzhao0112@gmail.com
Website: https://water.viomi.com/
Counntry: United States
City: NewYork