Water Filtration
Waterdrop G3P800 Tankless RO System
Premium tankless RO worth it if you want high output and easy twist-in filters.
Not just the sticker
The real cost
Sticker
$549
estimated retail price
Runs you
$70–$130/yr
electricity, consumables, upkeep
Resale later
$120–$200
Tankless design and app indicator help resale versus older tank RO units.
Warranty
12 months
Where the yearly cost goes
- Electricity$20/yr
- Consumables & filters$90/yr
- Repairs reserve$10/yr
Tankless RO uses a pump (small electricity) and drains some water per gallon; filters are the main cost.
Estimated owner sentiment · ~4.6★
What owners say
High-output tankless RO with tool-free filter swaps; costs more upfront and wastes some water, but very convenient.
Pros
- + No bulky tank
- + Fast, tool-free filter changes
- + High daily output
Cons
- – Higher upfront cost
- – Drains some water per gallon
- – Needs a power outlet under the sink
Is the newer model worth it?
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