Up-front drivers
- Model and stages, including an alkaline remineralization stage.
- Tank vs. tankless, which also affects cabinet space.
- Faucet and countertop: stone counters may need a professional hole.
- Drain and supply access: older homes may need new fittings.
- Extras: an ice-maker line or second faucet.
How Delray water affects running costs
Delray disinfects with chloramines, listed at a 3.7 ppm highest running average in the 2025 report. The carbon prefilter has to handle that before the membrane, so its interval matters. The membrane's workload depends on dissolved solids; the city lists sodium at 31.8 ppm. Jorge's TDS reading at your tap shows what the membrane will face.
Ownership costs to ask about
| Part | Ask |
|---|---|
| Sediment and carbon prefilters | Interval at my use and chloramine level |
| Membrane | Expected life at my TDS |
| Post-filter and alkaline stage | Interval and part numbers |
| Drain water | Ratio for this model |
See RO filter replacement cost.
RO vs. buying water
The fair comparison is your household's actual consumption against the RO's upkeep. Count drinking water, coffee, ice and cooking water, not just bottles on the counter. RO also saves the trips, storage space and recycling that come with buying water. The bottled water vs. RO calculator lets you plug in your own numbers.
Where Delray kitchens differ
Older Delray homes may have original drain lines or shutoff valves that are hard to turn; replacing a stuck angle stop during installation is common and should be listed if needed. Newer homes and condos often have stone countertops, where the dedicated faucet may need a professional hole or can use an existing soap-dispenser or air-gap opening. A refrigerator on the far side of the kitchen means a longer tubing run for the ice-maker line. None of these change the system you need, but each can change the installation line on the quote, which is why Jorge looks at the cabinet before quoting.
What the quote should show
- Exact model and NSF/ANSI 58 listing.
- Installation scope and what would be extra.
- Filter schedule and part numbers.
- Warranty in writing.
- Who to call for service, and what a service visit includes.
Book and finance
Living Water offers financing through its financing partners; you apply with a credit application, and a co-applicant can apply with you. Call, text or WhatsApp (305) 793-5974. See under-sink RO in Delray Beach and RO installation cost.
Updated 2026-10-17 · Living Waters · Jorge Canela, Water Quality Specialist