---
product_id: 471043944
title: "T1-400UV Tankless Reverse Osmosis System with UV, NSF/ANSI 58 Certified, Under Sink RO Water Filter System 400 GPD, 8 Stage Filtration Near 0 TDS, Built-in Pump, BPA Free, 1.5:1 Pure to Drain"
brand: "simpure"
price: "$638.35"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/471043944-t1-400uv-tankless-reverse-osmosis-system-with-uv-nsf-ansi
store_origin: US
region: United States of America
---

# Built-in pump & tankless design 400 GPD ultra-fast flow NSF/ANSI 58 certified purity T1-400UV Tankless Reverse Osmosis System with UV, NSF/ANSI 58 Certified, Under Sink RO Water Filter System 400 GPD, 8 Stage Filtration Near 0 TDS, Built-in Pump, BPA Free, 1.5:1 Pure to Drain

**Brand:** simpure
**Price:** $638.35
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your hydration game with near-zero TDS purity and smart efficiency!

## Quick Answers

- **What is this?** T1-400UV Tankless Reverse Osmosis System with UV, NSF/ANSI 58 Certified, Under Sink RO Water Filter System 400 GPD, 8 Stage Filtration Near 0 TDS, Built-in Pump, BPA Free, 1.5:1 Pure to Drain by simpure
- **How much does it cost?** $638.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/471043944-t1-400uv-tankless-reverse-osmosis-system-with-uv-nsf-ansi)

## Best For

- simpure enthusiasts

## Why This Product

- Trusted simpure brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **UV-Powered Safety Boost:** Automatic UV sterilization ensures every drop is fresh, safe, and bacteria-free.
- • **Pure Water, Zero Compromise:** Delivers near 0 TDS water by removing 99.99%+ contaminants including PFAS and heavy metals.
- • **Space-Smart Tankless Design:** Compact under-sink installation frees up space and prevents secondary contamination.
- • **Efficiency Meets Sustainability:** 1.5:1 pure-to-drain ratio minimizes water waste, saving resources and your utility bills.
- • **Effortless, Cost-Effective Hydration:** Quick-change filters provide over 1000 gallons of premium water, slashing plastic waste and bottled water costs.

## Overview

The SimPure T1-400UV is a premium under-sink tankless reverse osmosis system certified to NSF/ANSI 58 standards, delivering up to 400 gallons per day of ultra-pure water with near 0 TDS. Featuring an 8-stage filtration process, built-in pump, and UV sterilization, it removes over 99.99% of contaminants including PFAS and heavy metals. Its innovative 1.5:1 pure-to-drain ratio maximizes water efficiency while the compact design saves space and prevents contamination. Ideal for health-conscious professionals seeking sustainable, cost-effective hydration.

## Description

SimPure T1-400UV Tankless Reverse Osmosis System with UV, NSF/ANSI 58 Certified, Under Sink RO Water Filter System 400 GPD, 8 Stage Filtration Near 0 TDS, Built-in Pump, BPA Free, 1.5:1 Pure to Drain

## Features

- SGS CERTIFIED and TESTED: Against the NSF/ANSI 58 Standard. The SimPure ROULP-3012-400-T1 has been verified and tested by SGS, this ensures its exceptional quality and performance. It effectively removes over 99.99% of 1000+ contaminants, including TDS (fluoride, nitrates/nitrites), PFAS/PFOA/PFOS, heavy metals (lead and arsenic), chloride, etc. Enjoy purified drinking water with confidence and say goodbye to the hidden dangers of tap water
- Filtered WATER NEAR 0 TDS: The water filter system utilizes exclusive technology to achieve near 0 TDS (Total Dissolved Solids), making it one of the most effective RO water purifier systems. It is designed to efficiently reduce TDS levels in tap water, even with initial levels as high as 200-500 PPM, to near 0 PPM or below 25 PPM. With a TDS removal rate of up to 95% and a maximum rate of 99.99%, you can trust that T1-400UV will provide you with drinking water possible
- UV POWER & TANKLESS DESIGN: UV power offers you extra reliable. It operates automatically based on water flow pressure and can be easily adjusted. The tankless design ensures fresh and clear water, while also saving valuable under-sink space and preventing secondary contamination
- 400 GPD & 1.5:1 PURE to DRAIN: The SimPure tankless RO system can produce up to 400 gallons per day of clear water. With a remarkable 1.5:1 pure-to-drain ratio, it minimizes wastage by only producing 1 gallon of wastewater for every 1.5 gallons of clear water. Experience superior efficiency and elevated lifestyle compared to traditional RO systems
- EFFORTLESS HYDRATION & COST-EFFECTIVE: The SimPure T1-400 Series water purifier comes with a complete set of quick-change twist filter cartridges that deliver 1057 gallons of purified water (equivalent to around 8000 bottled water). Embrace a sustainable way of living, cut down on plastic waste, and save cash. It's more than just purified water - it's an enhanced lifestyle, where every sip signifies the purity and sustainability it brings
- Serving the USA Since 2006: Based in Seattle, WA, SimPure is committed to delivering world-class water filtration solutions. If you’re not satisfied with your purchase, we want to hear from you! Reach out to our team of trained water specialists—we’re here to answer your questions and provide support for the lifetime of your product. (Please scroll down for replacement filter purchase options)
- NOTE: If you enjoy filtered water with a low TDS value, we recommend getting the SimPure T1-400UV reverse osmosis water filter. This system delivers clear water with a TDS level close to 0 ppm if your tap water has a measurement below 200 ppm. If you prefer alkaline water, consider the SimPure T1-400ALK RO system. This filter enhances the pH level of filtered water by incorporating minerals through the alkaline filter and please know that the TDS value will not reach 0 ppm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | SimPure |
| Special Feature | Filtered Water Near 0 TDS |
| Product Dimensions | 15.6"L x 5.3"W x 15.7"H |
| Package Information | Under Sink RO Water Filter System T1-400UV |
| Installation Type | Under Sink |
| Power Source | Ac |
| Item Weight | 17.75 Pounds |
| Model Name | T1-400UV |
| Lower Temperature Rating | 41 Degrees Fahrenheit |
| Maximum Flow Rate | 0.27 Gallons Per Minute |
| Operating Pressure Range | 14.5-116 PSI |
| Upper Temperature Rating | 100 Degrees Fahrenheit |
| Supported Water TDS Level Maximum (PPM) | 500 |
| Manufacturer | SimPure |
| Manufacture Year | 2021 |
| Part Number | T1-400UV |
| Item Weight | 17.75 pounds |
| Item model number | T1-400 |
| Size | 8 Stages |
| Color | white |
| Style | Near 0 TDS Water (T1-400UV) |
| Item Package Quantity | 1 |
| Special Features | Filtered Water Near 0 TDS |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** SimPure
- **Special Feature:** Filtered Water Near 0 TDS
- **Product Dimensions:** 15.6"L x 5.3"W x 15.7"H
- **Material:** BPA-Free Food Grade Material
- **Capacity:** 400 G/day
- **Included Components:** 1*T1-400UV Unit, 1* PP/CTO/RO/T33 filter, 1*faucet, 1*user manual, 1*sparing kit
- **Package Information:** Under Sink RO Water Filter System T1-400UV
- **Installation Type:** Under Sink
- **Purification Method:** Reverse Osmosis, Ultraviolet
- **Power Source:** Ac

## Images

![T1-400UV Tankless Reverse Osmosis System with UV, NSF/ANSI 58 Certified, Under Sink RO Water Filter System 400 GPD, 8 Stage Filtration Near 0 TDS, Built-in Pump, BPA Free, 1.5:1 Pure to Drain - Image 1](https://m.media-amazon.com/images/I/71OzxavyH1L.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: what's the voltage of the pump? Can it be connected directly to a 12 or 24V system?**
A: The connection voltage is 110 volts AC .I do not recall seeing a transformer for changing voltage to DC.

**Q: how much room does it take up under the counter?**
A: The system dimension is 15.9"w x 5.2"d x 15.6"h, my system is underneath a country sink, which has the minimum space underneath of any sink that I am aware of & it fits just fine with a little resourcefulness.

**Q: where is this product made?  country of origin**
A: I have no idea but assuming in China.

**Q: Can I add a bladder tank?  Any issues with doing so?  I have a well and would like to have water if the power goes out.**
A: No this system was designed to be tankless, the pump would add too much pressure

## Frequently Bought Together

- SimPure T1-400UV Tankless Reverse Osmosis System with UV, NSF/ANSI 58 Certified, Under Sink RO Water Filter System 400 GPD, 8 Stage Filtration Near 0 TDS, Built-in Pump, BPA Free, 1.5:1 Pure to Drain
- SimPure Small Water Pressure Tank for Tankless Reverse Osmosis System, RO Water Storage Tank with Fittings for Refrigerator, Ice Maker, Suitable for 1/4" and 3/8" Water Pipes
- SimPure T1-400UV 1-Year Replacement Filter Cartridge Pack Set for T1-400UV Tankless Reverse Osmosis Water Filter System (2*PP + 2*CTO + 1*RO + 2*T33)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-23*