--- product_id: 485769894 title: "RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU" brand: "rinnai" price: "51779623₫" currency: VND in_stock: true reviews_count: 8 category: "Rinnai" url: https://www.desertcart.vn/products/485769894-re140in-non-condensing-natural-gas-tankless-water-heater-up-to store_origin: VN region: Vietnam --- # Up to 5.3 GPM flow rate Compact 14"W x 27"H size 140,000 BTU power RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU **Brand:** rinnai **Price:** 51779623₫ **Availability:** ✅ In Stock ## Summary > 🔥 Compact power, endless comfort — heat your home smarter! ## Quick Answers - **What is this?** RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU by rinnai - **How much does it cost?** 51779623₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/485769894-re140in-non-condensing-natural-gas-tankless-water-heater-up-to) ## Best For - rinnai enthusiasts ## Why This Product - Trusted rinnai brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart-Ready Control:** Compatible with Rinnai Controlr WiFi module for remote temperature management (module sold separately). - • **Space-Smart & Sleek:** Compact footprint frees up valuable indoor space, perfect for modern minimalist homes. - • **Powerhouse Performance:** 140,000 BTU ensures rapid heating for up to 5 fixtures simultaneously—never wait again. - • **Endless Hot Water, Zero Bulk:** Tankless design delivers hot water on demand, fitting where bulky tanks can't. - • **Built to Last with Confidence:** Backed by up to 15-year heat exchanger warranty and professional installation support. ## Overview The Rinnai RE140iN is a high-efficiency, non-condensing natural gas tankless water heater delivering up to 5.3 gallons per minute with 140,000 BTU output. Its compact design fits indoor spaces easily, replacing bulky tanks and providing hot water on demand for multiple fixtures simultaneously. Featuring an LED display and smart home compatibility via optional WiFi control, it combines advanced technology with durable warranties for a reliable, space-saving solution. ## Description Rinnai's high-efficiency non-condensing outdoor tankless natural gas water heater models offer the most advanced technology for your home. Now, with a cleaner internal layout, a new sliding bracket for easier alignment, and an LED display that allows you to set reminders and see error codes, our water heaters are designed to save you time and money with faster installation and better serviceability. Designed to be extremely compact, this small water heater only takes up the space of a small suitcase, letting you reclaim some of your home's most valuable real estate. This smart on-demand hot water heater can be made even smarter with a Rinnai Controlr for WiFi connectivity (not included). Review: Great quality. - Good price works with no issues. Last one lasted about 14 years Review: Well worth the money. Excellent unit. - Installed this several months ago. Install is simple if you know what your doing. Works amazing! Now the water heater closet is more storage space. The temperature control is great, you can look up how to override for hotter temps. Saved a lot of space, works excellent. Great unit for the money. ## Features - Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 5.3 GPM (5 fixtures at once) - Smart, Durable Design: Water heater fits a wide array of spaces; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included) - Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician - Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B57QZWGQ | | Best Sellers Rank | #36,153 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #48 in Water Heaters | | Brand | Rinnai | | Color | Silver | | Customer Reviews | 4.5 4.5 out of 5 stars (219) | | Date First Available | June 27, 2022 | | Efficiency | High | | Is Electric | No | | Item Depth | 14 inches | | Item Weight | 50.6 pounds | | Item model number | REU-VE1720FFD-US-N | | Manufacture Year | 2017 | | Manufacturer | Rinnai | | Manufacturer Part Number | REU-VE1720FFD-US-N | | Maximum Flow Rate | 5.3 Gallons Per Minute | | Maximum Temperature | 140 Degrees Fahrenheit | | Model | High Efficiency BTU Natural Gas Interior Tankless Water Heater | | Mounting Type | Wall | | Product Dimensions | 14.05"W x 27.28"H | | Smart Home Compatibility | Smart Home Compatible | | Special Feature | LED Display | | Special Features | LED Display | | UPC | 766156016301 | | Voltage | 120 Volts | | Wattage | 140000 watts | ## Product Details - **Brand:** Rinnai - **Capacity:** 5.3 Gallons - **Power Source:** gas_powered - **Product Dimensions:** 14.05"W x 27.28"H - **Special Feature:** LED Display ## Images ![RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU - Image 1](https://m.media-amazon.com/images/I/51BwcGyo6LL.jpg) ## Available Options This product comes in different **Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great quality. *by K***Y on January 7, 2026* Good price works with no issues. Last one lasted about 14 years ### ⭐⭐⭐⭐⭐ Well worth the money. Excellent unit. *by J***D on September 6, 2025* Installed this several months ago. Install is simple if you know what your doing. Works amazing! Now the water heater closet is more storage space. The temperature control is great, you can look up how to override for hotter temps. Saved a lot of space, works excellent. Great unit for the money. ### ⭐⭐⭐⭐⭐ Works great *by T***G on December 7, 2025* Year or so in and my dad still says it’s the best showers he’s ever taken. Can run while mom does laundry, and unlike electric it replaced, no “cold water sandwiches” ## Frequently Bought Together - Rinnai RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU - HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass - Rinnai 223181, Small, White --- ## 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.vn/products/485769894-re140in-non-condensing-natural-gas-tankless-water-heater-up-to](https://www.desertcart.vn/products/485769894-re140in-non-condensing-natural-gas-tankless-water-heater-up-to) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-06*