CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank
CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank

CUCKOO CP-ADR051UW SET-1 5-Stage RO Under-Sink Water Purifier with Tank

CUCKOO SKU: CP-ADR051UW SET-1
Price
Regular price $63600
Regular price $74999 Sale price $63600
Save $113.99
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At a glance

FormatUnder-sink reverse-osmosis system.
Model designation5-Stage
PlanningConfirm cabinet clearance, water connections, and any power or drain needs that apply to the model.
Service matchUse replacements and accessories specified for the exact model on this page.
CUCKOO Under-Sink RO

Compact 5-stage reverse osmosis filtration with tank-supported everyday convenience

The CP-ADR051UW SET is designed for shoppers who want a more advanced under-sink reverse osmosis setup while keeping the sink area cleaner and the cabinet footprint manageable. Its slim body helps preserve usable under-sink space, while the storage tank keeps purified room-temperature water ready for everyday drinking, cooking, and prep.

For kitchens that want a cleaner faucet-only presentation at the sink and dependable day-to-day purified water access, this model offers a polished balance of filtration performance and practical convenience.

Why Shoppers Choose It

5-stage RO purificationBuilt for dependable reverse osmosis purification in an efficient under-sink format.
Compact designThe slim, space-saving body helps keep more room available below the sink.
Quick dispenseThe storage tank keeps room-temperature purified water ready on demand for daily use.
Clean built-in feelThe under-sink layout helps maintain a more open, uncluttered sink area above the counter.

Feature Details

  • 5-stage everyday filtration: A more advanced reverse osmosis setup supports shoppers who want a fuller under-sink purification system for regular household use.
  • Tank-backed convenience: The storage tank helps deliver purified room-temperature water quickly for drinking, cooking, and kitchen prep.
  • Compact under-sink footprint: A slim profile makes this system easier to place in kitchens where cabinet space matters.
  • Cleaner faucet presentation: With the main system installed below the counter, the sink area keeps a tidier, more streamlined look.

Known For

Known for stepping up from basic under-sink RO with a fuller 5-stage filtration setup while still staying simpler than CUCKOO's steam, boiling, smart-wheel, or ice dispensers. Its price is driven by stronger room-temperature purification and tank-backed convenience rather than premium temperature hardware or freestanding capacity.

Good Fit For

Shoppers who want an under-sink reverse osmosis system with a more advanced filtration setup, a manageable footprint, and easy day-to-day access to purified water.

Installation: Third-party installation is required. After purchase, installation may be arranged through a certified technician when available in your area.

Manuals, Guides & Videos

Review the included product manual before installation, especially the faucet, tank, tubing, and filter-startup steps. For help choosing placement, confirming installation needs, or planning future filter service, contact us before checkout.

  • Included guides: Product manual, installation kit guidance, faucet setup, tank connection, and first-use flushing instructions.
  • Installation planning: Confirm under-sink clearance, water-line access, tank placement, and faucet-hole requirements before scheduling installation.
  • Video help: Watch Cuckoo America product and care videos on YouTube.

Explore more Cuckoo water systems and reverse osmosis systems.
Shipping, Returns, & Warranties

Orders Processing: Our chosen couriers, including USPS, UPS, and FedEx, consistently facilitate the delivery of your items from our warehouse. Please note that processing times may vary depending on the brand. All orders are processed and shipped within 1 - 5 business days.

Order Confirmation: As soon as you place your order, you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorized your card for the purchase.

30 Day Returns: If your order arrives damaged, we will exchange you a replacement. For more details, visit our Refund Policy Page.

View our Full Brand Warranty Page Here
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