--- product_id: 605842625 title: "Small Water Pressure Tank for Tankless Reverse Osmosis System | Suitable for 1/4\" and 3/8\" Water Pipes | RO Water Storage Tank with Fittings for Refrigerator, Ice Maker" brand: "simpure" price: "$109.77" currency: USD in_stock: true category: "Sim Pure" url: https://www.desertcart.us/products/605842625-small-water-pressure-tank-for-tankless-reverse-osmosis-system-suitable store_origin: US region: United States of America --- # 1.4L compact capacity Fits 1/4" & 3/8" pipes NSF/ANSI 58 certified quality Small Water Pressure Tank for Tankless Reverse Osmosis System | Suitable for 1/4" and 3/8" Water Pipes | RO Water Storage Tank with Fittings for Refrigerator, Ice Maker **Brand:** simpure **Price:** $109.77 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your hydration game with SimPure’s compact RO pressure tank—pure water, zero wait. ## Quick Answers - **What is this?** Small Water Pressure Tank for Tankless Reverse Osmosis System | Suitable for 1/4" and 3/8" Water Pipes | RO Water Storage Tank with Fittings for Refrigerator, Ice Maker by simpure - **How much does it cost?** $109.77 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/605842625-small-water-pressure-tank-for-tankless-reverse-osmosis-system-suitable) ## 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 - • **Certified Clean:** NSF/ANSI 58 certified with food-grade butyl diaphragm ensures pure, tasteless, and odorless water every time. - • **Effortless Setup:** Includes all fittings and clear instructions for quick installation with standard 1/4" and 3/8" water pipes. - • **Compact Powerhouse:** Boost your tankless RO system with seamless water flow and instant ice supply—no more waiting or rebooting. - • **Space-Smart Design:** Sleek, small footprint (6.2"x6.2"x9") fits perfectly under your sink without bulky stands or clutter. - • **Trusted Since 2006:** Proudly serving USA customers with expert support and durable, high-performance water filtration solutions. ## Overview The SimPure Small Water Pressure Tank is a compact, NSF/ANSI 58 certified storage solution designed to enhance tankless reverse osmosis systems. With a 1.4L capacity and compatibility with 1/4" and 3/8" water pipes, it ensures continuous, pure water flow for refrigerators and ice makers. Its space-saving design and included fittings make installation quick and hassle-free, backed by SimPure’s trusted quality since 2006. ## Description 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 - desertcart.com ## Features - ENHANCED PERFORMANCE of TANKLESS RO SYSTEM: The compact water pressure tank from SimPure is engineered to boost the capabilities of tankless RO systems. It ensures smooth coordination with the refrigerator and ice maker, cutting down on the need for frequent reboots. It extends the reach of the RO system to guarantee continuous water flow and ice supply, enabling quick access to water without any waiting - NSF CERTIFIED and TESTED: The reverse osmosis tank has been tested and certified by NSF, meets the NSF/ANSI 58 Standard, and complies with material and structural integrity requirements. Each pressure tank undergoes rigorous quality and durability testing, ensuring exceptional quality and performance. This water storage tank is crafted from a food-grade butyl diaphragm, providing a tasteless and odorless water chamber that keeps your water free from impurities - SIMPLE INSTALLATION: The user manual provides clear and easy-to-follow instructions for installing the water pressure tank. The RO tank includes all necessary fittings for effortless connection to the refrigerator or ice maker, it can be set up with 1/4" and 3/8" water pipes, which is a perfect addition to any RO water system - SPACE-SAVING DESIGN: The small pressurized tank features a compact size (Φ 6.6*9.2) with a 1.4L capacity, saving under-sink space and eliminating the need for a tank stand. It is the perfect fit for all tankless RO systems, including T1-400UV, T1-400ALK, Q3-600, G3P600, G2P600, G3P800, G2, G3, D6, D4, PD400, PD500, PD600, PX500, KFL-X6, PL400G, CUW4, etc - SERVING USA SINCE 2006: Seattle, WA USA, SimPure is dedicated to providing world-class quality water filtration solutions. If you are not satisfied with your purchase, then we want to hear from you. Please contact our trained water specialists. And is available to answer any questions during the life of the product ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CS5VBK9S | | Best Sellers Rank | #76,719 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #136 in Under-Sink & Countertop Filtration | | Brand | SimPure | | Brand Name | SimPure | | Capacity | 0.32 gallons | | Color | White | | Customer Reviews | 4.5 out of 5 stars 237 Reviews | | Included Components | Pressure water tank*1, accessories kit*1 | | Item Dimensions L x W x H | 6.2"L x 6.2"W x 9"H | | Item Weight | 2.6 Pounds | | Manufacturer | SimPure | | Manufacturer Part Number | HYRO- 1.0 | | Material | BPA-Free | | Material Type | BPA-Free | | Product Dimensions | 6.2"L x 6.2"W x 9"H | | Shape | Rectangular | | Specification Met | NSF/ANSI 58 Standard | ## Product Details - **Brand:** SimPure - **Capacity:** 0.32 Gallons - **Color:** White - **Material:** BPA-Free - **Product Dimensions:** 6.2"L x 6.2"W x 9"H ## Images ![Small Water Pressure Tank for Tankless Reverse Osmosis System | Suitable for 1/4" and 3/8" Water Pipes | RO Water Storage Tank with Fittings for Refrigerator, Ice Maker - Image 1](https://m.media-amazon.com/images/I/51yJrbzZf7L.jpg) ## Frequently Bought Together - 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 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 T1-100/1-400UV 6-Month Replacement Filter Cartridge Pack Set for Model T1-100, T1-400UV (1*PP + 1*CTO + 1*T33) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/605842625-small-water-pressure-tank-for-tankless-reverse-osmosis-system-suitable](https://www.desertcart.us/products/605842625-small-water-pressure-tank-for-tankless-reverse-osmosis-system-suitable) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-01*