Kitchen RO

5-Stage Tank RO

5 stages · 100 GPD membrane rating

Our traditional under-sink RO option uses a separate pressurized tank to store drinking water.

Request installed pricing Talk to a specialist

View full specifications ↓

Equipment, installation scope, selected upgrades, and taxes are itemized in your proposal.

IS THIS RIGHT FOR YOUR HOME?

Match the treatment to your needs.

Households that prefer a traditional tank-based drinking-water system.

Allow space for the filter assembly and tank. Exact storage capacity, faucet, and installed price are confirmed in your proposal.

Is this the RO in the current bundle?

The current city-water bundle includes the HW800 AlkaPro tankless RO. This traditional five-stage tank system remains available as a separate option; ask us to compare the installed choices.

KNOW YOUR EQUIPMENT

Full specifications.

Explore capacity, installation requirements, and the details that help you choose.

Drinking-water specifications

System type: Under-sink reverse osmosis with a pressurized storage tank
Filtration stages: 5
Membrane production rating: 100 gallons per day; actual production varies with operating conditions
Fittings: Quick-connect
Drinking-water outlet: Dedicated faucet
Faucet finishes: Brushed nickel, chrome, brushed gold, matte black, or oil-rubbed bronze; confirm availability
Application: Standalone drinking-water treatment or paired with whole-home equipment

Installation & selection

Connections needed: Cold-water supply, drain saddle, and dedicated faucet
Space needed: Room for both the filter assembly and storage tank
Storage volume & dimensions: Confirmed for the selected model in your proposal
Purchase option: Separately quoted traditional RO option

Production depends on operating conditions. The 100 GPD membrane rating is not storage capacity or faucet flow. We confirm the tank size, clearances, water requirements, and filter schedule in your proposal.

Care & ownership

RO filters and membranes need replacement according to the selected model and source water. Ask for the schedule and consumable costs before choosing.

Warranty & support

Coverage varies by component. Review the coverage periods, conditions, and exclusions, and contact Best Home Water for help.

Read warranty coverage →

Compare your next option.

Compare both kitchen RO systems →