Thunder Ultrafiltration/Reverse Osmosis Under Sink Water Filter | 4000M | 17 Stages of Filtration

Overview

Thunder 4000M brings 17-stage ultrafiltration and reverse osmosis to the kitchen. A UV sterilizer stage is part of the stage count. Crystal Quest lists production at 100 gallons per day.

Key features and benefits

• 17 stages: 5-micron carbon, 0.020-micron ultrafiltration and reverse osmosis, plus a UV sterilizer stage.
• Runs on line pressure, without a booster pump.
• Complete kit: faucet, tubing, membranes and installation hardware.
• 3.2-gallon stainless pressurized tank for ready water at the tap.

Technical specifications

• Stages: 17, including a 5-micron carbon stage, a 0.020-micron UF membrane and an RO membrane, plus a UV sterilizer stage.
• Listed production: 100 gallons per day.
• Tank: 3.2-gallon stainless pressurized, 2.0-gallon capacity.
• Designed for 35-60 PSI, with 60 PSI optimal.
• Standard 110V; 220V on request.

Installation requirements

• Choose a saddle valve (hard copper) or T-valve (flexible tubing) when ordering.
• A leak detector is optional but recommended by the manufacturer.

Maintenance and replacement

• The manufacturer does not publish stage-by-stage replacement intervals for the 4000M; plan filter and membrane changes around your feed-water quality and usage.

Specifications and reduction targets are the manufacturer's. Results vary with your water, so test it before and after installation.