--- product_id: 191281413 title: "Rinnai i090CN Condensing Gas Boiler, Whole Home Heating and Water Natural Gas Heater with Space-Saving Design and Smart Features, (90K BTU)" brand: "rinnai" price: "$1104.15" currency: USD in_stock: false url: https://www.desertcart.us/products/191281413-rinnai-i090cn-condensing-gas-boiler-whole-home-heating-and-water store_origin: US region: United States of America --- # 7.9 GPM flow rate 95.9% AFUE efficiency 12-year heat exchanger warranty Rinnai i090CN Condensing Gas Boiler, Whole Home Heating and Water Natural Gas Heater with Space-Saving Design and Smart Features, (90K BTU) **Brand:** rinnai **Price:** $1104.15 **Availability:** ❌ Out of Stock ## Summary > 🔥 Elevate your home’s comfort with smart, sleek, and efficient heating — don’t get left in the cold! ## Quick Answers - **What is this?** Rinnai i090CN Condensing Gas Boiler, Whole Home Heating and Water Natural Gas Heater with Space-Saving Design and Smart Features, (90K BTU) by rinnai - **How much does it cost?** $1104.15 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/191281413-rinnai-i090cn-condensing-gas-boiler-whole-home-heating-and-water) ## 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 - • **Safety First, Always:** Built-in child-lock automatically shuts off heating, giving peace of mind without sacrificing convenience. - • **Smart Multizone Control:** Connect multiple thermostats and pumps for precise, customizable temperature zones—comfort tailored to your lifestyle. - • **Space-Saving & Flexible:** Compact wall-mount design with versatile venting options fits seamlessly into modern homes without bulky equipment. - • **Whole-Home Heating Mastery:** Tankless design with stainless-steel heat exchanger delivers powerful, efficient warmth for your entire home. - • **Intuitive Digital Interface:** Easy-to-read display with outdoor reset sensor lets you fine-tune temperatures effortlessly between 104°F and 180°F. ## Overview The Rinnai i090CN Condensing Boiler is a high-efficiency, tankless gas boiler designed for whole-home heating and hot water. Featuring a stainless-steel heat exchanger and modulating burner, it delivers 95.9% AFUE efficiency and 7.9 GPM flow rate. Its smart multizone control, safety child-lock, and user-friendly digital interface provide precise, customizable comfort. Compact and wall-mounted, it offers flexible installation with a robust 12-year heat exchanger warranty, making it a reliable, energy-conscious choice for modern homes. ## Description The Rinnai Condensing Gas Boiler is the ultimate whole-home and tankless water heater for energy-conscious homeowners seeking a smart, compact, and efficient heating solution. This gas wall heater features a stainless-steel heat exchanger with a modulating wire mesh burner, plus a built-in domestic hot water plate heat exchanger for showers and faucets. Experience the convenience of smart features with the multizone control capability of this tankless hot water heater and gas wall heater. Connect thermostats and integrated control pumps directly to the boiler to enjoy precise temperature control throughout your home. The smart heater also includes a safety child-lock feature that automatically turns off the central heating, ensuring peace of mind for your family. The user-friendly interface of this indoor gas heater makes operation a breeze. The digital display main screen provides easy navigation, while the temperature and pressure display keep you informed. With the outdoor reset sensor and simple parameter settings, adjusting the CH temperature between 104°F and 180°F and DHW between 98°F and 140°F is effortless. Say goodbye to bulky heating solutions with the space-saving design of our gas heaters for indoor use. The compact size allows for easy installation, while multiple venting options, including a 2-inch PVC up to 65 feet and 3-inch up to 150 feet, provide flexibility in placement. Rinnai's efficient heat exchangers, fueled by either natural gas or propane, make this gas boiler the perfect solution for heating entire homes. With one of the highest AFUEs (Annual Fuel Utilization Efficiency) in the industry, this condensing gas boiler ensures optimal energy efficiency. Installation is a breeze with the easy installation requirements of these combi boilers. The reduced space requirements as compared to traditional boilers make them ideal for both existing homes and new construction projects. ## Features - Whole Home and Water Heater: Heat the whole house with our tankless boilers, featuring a stainless-steel heat exchanger with a modulating wire mesh burner, plus a built-in domestic hot water plate heat exchanger for showers and faucets - Smart Features: This high-efficiency gas boiler's multizone control capability allows thermostat and integrated control pumps to connect directly to the boiler; Wall mount heater features safety child-lock that automatically turns off central heating - Easy Interface: Our energy efficient heater has a digital display main screen, temperature and pressure display, and an outdoor reset sensor with easy parameter settings; Adjust CH temperature between 104°F and 180°F and DHW between 98°F and 140°F - Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your boiler; We do not recommend installing a heater without a technician - Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07XW1N82P | | Best Sellers Rank | #1,034,471 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,346 in Water Heaters | | Brand Name | Rinnai | | Capacity | 90 Gallons | | Color | Combi | | Customer Reviews | 5.0 5.0 out of 5 stars (10) | | Efficiency | 95.9% AFUE | | Flow Rate | 7.9 Gallons Per Minute | | Global Trade Identification Number | 00766156012518 | | Heat Output | 90 Kilowatts | | Included Components | Condensing Gas Boiler | | Is Electric | No | | Item Dimensions W x H | 14.96"W x 33.86"H | | Item Type Name | Gas Boiler / i090CN / NG LP / 90k BTU / Combi | | Item Weight | 79.4 Pounds | | Manufacturer | Rinnai | | Manufacturer Part Number | i090CN | | Manufacturer Warranty Description | HEX 12 yr / Parts 2 yr / Labor 1 yr | | Material Type | Polyvinyl Chloride, Stainless Steel | | Maximum Pressure | 30 Pound per Square Inch | | Maximum Temperature | 180 Degrees Fahrenheit | | Model Number | i090CN | | Mount Type | Wall | | Power Source | Gas Powered | | Style Name | Industry,Outdoor | | UPC | 766156012518 | | Unit Count | 1.0 Count | | Voltage | 120 Volts | ## Product Details - **Brand:** Rinnai - **Capacity:** 90 Gallons - **Color:** Combi - **Power Source:** Gas Powered - **Product Dimensions:** 14.96"W x 33.86"H ## Images ![Rinnai i090CN Condensing Gas Boiler, Whole Home Heating and Water Natural Gas Heater with Space-Saving Design and Smart Features, (90K BTU) - Image 1](https://m.media-amazon.com/images/I/61VFBkYfiJL.jpg) ![Rinnai i090CN Condensing Gas Boiler, Whole Home Heating and Water Natural Gas Heater with Space-Saving Design and Smart Features, (90K BTU) - Image 2](https://m.media-amazon.com/images/I/81zoBwCEsbL.jpg) ![Rinnai i090CN Condensing Gas Boiler, Whole Home Heating and Water Natural Gas Heater with Space-Saving Design and Smart Features, (90K BTU) - Image 3](https://m.media-amazon.com/images/I/71QM3VXGNrL.jpg) ![Rinnai i090CN Condensing Gas Boiler, Whole Home Heating and Water Natural Gas Heater with Space-Saving Design and Smart Features, (90K BTU) - Image 4](https://m.media-amazon.com/images/I/71k43XFYU8L.jpg) ![Rinnai i090CN Condensing Gas Boiler, Whole Home Heating and Water Natural Gas Heater with Space-Saving Design and Smart Features, (90K BTU) - Image 5](https://m.media-amazon.com/images/I/61uw67rSwDL.jpg) ## Frequently Bought Together - Rinnai i090CN Condensing Gas Boiler, Whole Home Heating and Water Natural Gas Heater with Space-Saving Design and Smart Features, (90K BTU) - HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass - 3/4 Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve, Clean Brass, 3/4 Inch Service Installation Valve for rheem,rinai,ecosmart,navien,noritz,takagi,bosch --- ## 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/191281413-rinnai-i090cn-condensing-gas-boiler-whole-home-heating-and-water](https://www.desertcart.us/products/191281413-rinnai-i090cn-condensing-gas-boiler-whole-home-heating-and-water) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-08*