FIRST ORDER? SAVE 5% — USE CODE AQUENVI5 AT CHECKOUT

Product guide

Everything you need to know.

Overview, benefits & specifications

The Waterdrop T4-A is a 450 GPD alkaline dual-flow undersink reverse-osmosis system with a smart faucet.

Key benefits

  • 450 GPD capacity
  • Alkaline mineral addition
  • Dual-flow design
  • 2:1 pure-to-drain ratio
  • Smart faucet

Specifications

  • Model: WD-T4-A
  • Capacity: 450 GPD
  • Pure-to-drain ratio: 2:1
  • Dimensions: 16.54 × 6.22 × 17.95 in
  • Weight: 24.25 lb
  • Faucet: smart faucet
  • Certification: NSF/ANSI 372

What is included

  • T4-A system
  • T4-A filters
  • Smart faucet
  • Power adapter
  • Red and blue 1/4 in PE tubing
  • Feed-water adapter
  • Drain saddle
  • Reference sticker
  • Teflon tape
  • Lock clips

Replacement filters

  • RT-RO replacement filter: up to 24 months or 2,200 gallons

Installation and use

Install according to the model-specific Waterdrop manual. Confirm feed-water, drain, power, tubing, clearance, and faucet requirements before installation.

What’s included

System components, filters, connection hardware, and documentation vary by model. Refer to the “What is included” section above and confirm the package contents before installation.

Installation & use

Follow the included manufacturer manual. Confirm feed-water pressure, temperature, under-sink clearance, power availability where required, and local plumbing rules. Use a qualified installer whenever local codes require one.

Shipping

Available shipping services, cost, and estimated delivery dates are calculated at checkout. Inspect the package promptly after delivery and retain all packaging until installation is complete.

FAQ

How do I select the right system?
Compare installation location, rated capacity, filtration type, dimensions, and power requirements.

When should filters be replaced?
Replacement timing depends on model, water quality, and usage. Follow the system indicator and manufacturer schedule.

Can I install it myself?
Many systems are designed for straightforward installation, but professional installation is recommended when required by code or when plumbing modifications are needed.