The old style was used until 2009, and the new style is used today. Compare. After checking for leaks, turn the gas line. In. Welcome to ultimate efficiency. Integrated temperature control up to 185 degrees F. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. Rinnai. Rinnai. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations. • Install the vent system per local and na-tional codes. Get endless on-demand hot water, space savings, eco-efficiency and peace of mind from the world’s most reliable tankless gas water heater brand. ) 9. Once you gain access to the panel, you can use the arrow buttons to adjust the temperature accordingly. The unit will then run fine. Rinnai Rinnai I-Series 199,000 BTU DHW 120,000 BTU Space Heating Condensing Natural Gas Combi-Boiler. Rinnai RU160iN RU Model Series. When we use hot water we can hear it starting up everytime. Whether you are washing the dishes, washing your clothes, taking a shower or drawing a hot bath, Rinnai’s tankless water heater technology will supply endless hot water to your lifestyle demands-even if it demands you do them all at once. Uniform Energy Factor (UEF): 0. Enjoy an endless supply of hot water with the SENSEI™ RSC160eN Super High Efficiency Plus condensing tankless water heater from Rinnai. These boilers offer efficient heating with a modulating pump for consistent. Lift, Position and Secure the Rack Installation. 37 Save $125. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. 8 Rinnai Tankless Water Heater Installation and Operation Manual • DO NOT operate the water heater with-out the front panel installed. The Control-r™ WiFi module quickly connects using your local Wi-Fi network and with the free Rinnai Central™ mobile app, you can set up your tankless water heater temperature, activate recirculation control and scheduling patterns, and get real-time status and maintenance alerts. Tankless is a new tech that is unproven. 80W. The Tankless Truth is, our tankless water heaters last up to two decades while many tanks are. 81 UEF - Gas Tankless Water Heater - Concentric Vent Model: V65IN Ultra Low NOx Emissions (SCAQMD Rule 1146. The front panel should only be removed for ser-vice/maintenance or replacing internal components. Welcome to ultimate efficiency. New at Rinnai. 03 GPM, which is plenty of capacity, even for a large household that requires hot water from multiple fixtures at once. Rinnai RH-180N - RH-180N 91,300 BTU, Hybrid Indoor Tankless/Tank Water Heater (Natural Gas)- The Rinnai RH180 Hybrid Tank-Tankless Water Heater is a unique combination blending the benefits of advanced technology and simple supply; it pairs an innovative, on-demand tankless system with an ample 40-gallon storage tank. Rinnai fault code 02 – No burner operation during freeze protection mode. The Rinnai Hydronic Air Handler System easily integrates with select tankless water heaters or boilers to deliver energy-efficient warmth. The North Richland Hills Tankless Water Heater Experts! If you have need of a quality affordable plumber specializing in Tankless Water Heaters in North Richland Hills Texas, call the professionals at Schrader Plumbing today. Peachtree City, Georgia, June 11, 2015 - Rinnai, the number-one selling brand of tankless water heaters in the United States and Canada, has introduced four new models – RUCS/RUS75 and RUCS/RUS65 for both indoor and outdoor applications - that expand its Ultra Series condensing line with mid- and lower-range maximum BTU. ADD TO CART. 38 $3,358. • DO NOT obstruct combustion air to the appliance. Please have your full serial number or model number available for product- orSuper High Efficiency Plus View Energy Guide. While tankless water heaters are the more environmentally friendly option, achieving 91 percent efficiency with non-condensing. Residential. ThisShop Rinnai High Efficiency 9. Ideal for small to medium homes or remodels. Displaying Products 1 - 24 (of 25 Products) Shop Rinnai Propane Tankless Water Heaters at ACWholesalers today & save. Rinnai tankless water heaters are available with natural gas or propane fuel options and can be installed inside or outside. gas tankless hot water heater. Haltom City (5 miles) Hurst (6 miles) Bedford. Company. It features 199,000 BTUs and hot water delivery with a flow rate that ranges from 0. Flow Rate @ 35°F Rise (gallons/min): 11 gal (US)/min. Rheem RTEX-13 Tankless Electric Water Heater . All Rinnai tankless water heaters come with an industry-leading reasonable labor coverage of 1 year, with extensions available. If I look at the tax breaks though for 2023 (not 2022 - current taxes you are doing now), you get a tax break for installing a tankless that is UEF 95% or higher. While non-condensing tankless water heaters are. EST Monday through Friday and will be happy to assist you. Rinnai products provide peace of mind with warranties that surpass the. Only the size of a small suitcase, the RL94eN is compact, easy-to-install, reliable and perfect for outdoor locations. RINNAI Super High Efficiency Plus 11 GPM 199,000 BTU Natural Gas Interior Tankless Water Heater. The Rheem ECO180DVELN-3 Performance Plus High Efficiency Indoor Natural Gas Tankless Water Heater can provide up to 8. Two-story house with 4 bathrooms plus kitchen. Finish. By. 6/5 stars from 76 reviews. Save on energy bills and get hot water on-demand with a tankless water heater. The largest btu they had for home use. 00 /mo†. Plus, diagnostic tools and remote monitoring from local Rinnai experts provide rapid service and peace of mind. Rheem RTGH-95DVLN Indoor Tankless Water Heater. onnecting gas lines, water lines, valves, and electricity. 1. Step 2: Check Gas in the tank. "100% accurate water temperature control" Continuous flow water heaters are an advanced varient of traditional multipoint waters heaters, they are far more efficient than storage systems and are the preffered method of heating water. Ideal for small toWe believe Rinnai® Tankless is simply the best option on the market. The front panel should only be removed for ser-vice/maintenance or replacing internal components. Rinnai tankless water heaters last up to twice as long, have twice the warranty, and save energy as they only heat water when it is needed. On-Demand Mode. Ideal for small to medium homes or remodels. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy. 4/5 stars from 460 reviews. 95. The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. • BURN HAZARD. Enjoy an endless supply of hot water with this high efficiency non-condensing propane fueled tankless water heater from Rinnai. EF rating: This tankless heater has an 81% EF rating – which isn’t the best amongst the group. For an electric tankless water heater, we recommend the Rheem Performance RETEX-36. Rinnai's super high-efficiency plus condensing outdoor tankless water heater models offer the most advanced technology. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. (740) 622-5667. V53e/RV53e. Super High Efficiency Plus View Energy Guide. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. Secure PaymentsIf you answer NO to any question, installation is not complete. 8 GPM Residential 199,000 BTU Interior Propane Gas Tankless Water Heater. Add to Cart. Ideal for small to medium homes or remodels. • Install the vent system per local and na-tional codes. Rinnai's super high-efficiency plus condensing outdoor tankless water heater models offer the most advanced technology. Lower. 9 GPM Residential 199,000 BTU Exterior Natural Gas Tankless Water HeaterMake Smart Technology Smarter. Flexibity You can Count On. 95. 82: 0. Professional installation is an added cost that can vary depending on who you hire, how big the tank is and how complex your system is (i. Tankless Water Heaters Toggle "Tankless Water Heaters" menu. RE140eP is the perfect combination of high efficiency, comfort and value in a propane gas tankless water heater from Rinnai. 00 (304). Commercial-grade units with the industry's best warranty. Natural Gas. Rinnai's super high-efficiency plus condensing outdoor tankless water heater models offer the most advanced technology. It has freeze protection and is. 3 kWh Interior Propane Gas Tankless Water Heater with 1,283 reviews, and the Rinnai High Efficiency Plus 7. The Tankless Water Heater Code 10 is a diagnostic code that indicates a problem with the unit’s gas valve. However, higher efficiency usually means slightly less. com. 9. The Rinnai V94iN V tankless natural gas water heater is the second most powerful water heater of those we reviewed with a high flow rate of 9. (296) $3,250. E-mail us: plumbshieldplumbingllc@gmail. 2020 RINNAI AMERICA CORPORATION - SUGGESTED LIST PRICE (USD) • Page 4 Effective Date 03/06/2020 Model Number Product Description Product Dimensions (W x H x D). Hot exhaust and vent may cause serious burns. 78. Rinnai. Find wholesale prices on top Rinnai Tankless Water Heater. 41. These new Ultra Series condensing tankless water heater models RUC98i and. • The integrated controller has a 1 year warranty on parts. . S. Available consumer financing and rebates may add further savings. Free Shipping on items over $199. Uniform Energy Factor (UEF): 0. That’s why more consumers and businesses choose Rinnai over any other tankless brand. Rinnai fault code 10 – Air. Flow rate and heating power. RinnaiHigh Efficiency Non-Condensing 9. Rheem RTGH-95DVLN 9. Rinnai RL75IN Tankless Hot Water Heater, 7. Water Heaters. With Rinnai Common Venting, up to eight tankless water heater units share the same vent system. W. 06 USD. Only the size of Welcome to ultimate efficiency. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. An excellent, cost-effective option for households of four, the RU130iN is Energy Star certified and can cost as little as $140 per year to run. (April 23, 2018) – Rinnai America Corporation, manufacturer of the No. Our office support teammembers are experts in maximizing rebate and incentives while making the process simple and easy. Cascade Cables allow up to 24 water heaters to be connected and function. • Install the vent system per local and na-tional codes. 8 out of 5 based on 1760 reviews of 1760 pros. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for indoor locations. Electrical consumption. An undersized gas line can stress a tankless system and possibly reduce its lifespan, all Rinnai tankless water heaters are equipped with technology that safely ceases. Only the size of a small suitcase, the RL75eP is compact, easy-to-install, reliable and perfect for outdoor locations. REP160iN is the perfect combination of high efficiency, comfort and value in a natural gas non-condensing tankless water heater from Rinnai. At Rinnai, our passion for constant improvement drives us to create incredibly innovative products for both home and commercial use. The 180,000 BTU High Efficiency Natural Gas Tankless Water Heater is designed to supply continuous, on demand hot water for up to 2 to 3 bathrooms at the same time. See Low Price. Learn how to use the recirculation with on-demand accessories for your Rinnai water heater. 95. Power supply. See reviews, photos, directions, phone numbers and more for Rinnai Tankless Water Heaters locations in North Richland Hills, TX. x 14 in. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for indoor locations; Rinnai products. Compare. M. 367 Reviews. Plus, they save energy by heating water only when it is needed. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. Compare. Book an Appointment. Stiebel Eltron DHC Trend Point-of-Use Electric Tankless Water Heater. 57 $ 929. RE140eN is the perfect combination of high efficiency, comfort and value in a natural gas non-condensing tankless water heater from Rinnai. Integrated temperature control up to 185 degrees F. Send a comment to your representative in Congress. A Rinnai PRO will help you choose the right model for your needs, provide. Matters. Hot exhaust and vent may cause serious burns. Secondly, you can turn the temperature control dial if your Rinnai has one. Like all Rinnai Tankless Water Heaters, it’s also vertically integrated. Rinnai tankless water heaters last up to twice as long, and save energy-heating water only when needed . $186. As a result, customers see two decades plus of service, whereas most tanks are getting replaced in 10 - 15 years. Learn how to install and operate the Rinnai N Series tankless water heater, a high-efficiency and eco-friendly model that provides hot water on demand. The delivery of hot water from the time i turn my faucet on is no more time than it took with a tank system. You can even qualify for energy. 4. Low Prices + Fast & Free Shipping on Most Orders. Canadian Plumbing Company With Technical Experts To Help With Your Renovation Project. 13, 2020 /PRNewswire/ -- Rinnai Corporation, manufacturer of the number-one selling brand of tankless gas water heaters in North America. Add to List. 95. REP160eN is the perfect combination of high efficiency, comfort and value in a natural gas non-condensing tankless water heater from Rinnai. • DO NOT obstruct combustion air to the appliance. The flow rate of Rinnai water heaters is higher and ranges from 6. 5 GPM Residential 180,000 BTU Interior Natural Gas Tankless Water Heater (10) Questions & Answers (37) +5 Hover Image to Zoom $1006. RE160eN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Rinnai’s durable and innovative system delivers a high-efficiency solution for heating your water. Direct Vent Tankless Water Heater. 95. 3 kWh. 2 gpm, residential 9. 68. REP160iN is the perfect combination of high efficiency, comfort and value in a natural gas non- condensing tankless water heater from Rinnai. Rinnai's super high-efficiency plus condensing outdoor tankless water heater models offer the most advanced technology. Knowledge of applicable national, state, and local codes. +. Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Water heater accessory. Ideal for small to medium homes or remodels. Rinnai Gas Multi-Point 11i Low NOx Internal Water Heater Revolutionise and go continuous flow with Rinnai high efficiency Low Nox multipoint water heaters. Save $559. They were able to get everything switched out and replaced within 24 hours. Plus, with premium technology, increased energy efficiency, an improved Home Energy Rating System (HERS) Index Score and. Got my ac working when I needed it. Diect Vent Tankless Wate Heate Installation and Opeation Manual — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. A copy is provided with each tankless water heater in the rack system. [FEATURES] -Manage: Adjust the temperature for your water heating system with one tap…Rinnai Tankless Water Heater Installation and Operation Manual 7 • Hot water outlet pipes leaving the water heater can be hot to touch. Welcome to ultimate efficiency. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Plus, they save energy by heating water only when it is needed. 8 gpm and a heating capacity of 199,000 BTU. The first unit was a Rinnai HE+. Department of Energy (DOE) is proposing a new rule to raise efficiency standards for tankless gas-fired water heaters. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. With technology that operates only when hot water is needed, super-efficient heating coils, no pilot light and no storage tank to heat and reheat water, you save on energy and utility costs. EST Monday through Friday and will be happy to assist you. With Rinnai Common Venting, up to 8 tankless water heater units share the same vent system. 4. I do use the running water to rinse dishes for the dishwasher, fill the dog water dish, water. Vertical vs. Commercial. They were fast and fair priced. Water heater replacement, repair and installation North Richland Hills Texas including tankless water heaters installation and replacement. Noritz uses stainless steel casing on all ASME commercial units, while Rinnai don't. Compare Rinnai models, prices, and specs to find the perfect Rinnai Tankless Hot Water for your application. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Super High Efficiency Plus View Energy Guide. Find reviews, expert advice, manuals, specs & more. 5 GPM Natural Gas High Efficiency Indoor Tankless Water Heater: High Efficiency Non-Condensing Smart-Circ 7. 5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater. 230V AC 50Hz 1ph. Super High Efficiency Plus 9 GPM Residential 160,000 BTU Natural Gas Interior Tankless Water Heater. Check for proper water pressure to the water heater. Only the size of a small suitcase, the natural gas RU180eN model is compact, easy-to-install and perfect for outdoor locations. Both Rinnai and Navien tankless water heaters are Energy Star compliant and efficient. This allows for significantly fewer wall or roof cuts, less labor, and longer vent lengths than ever possible with single-unit tankless water. You can even qualify for energy. Turn off the power source for your tankless water heater. Plus, with premium technology, increased energy efficiency, an improved Home Energy Rating System (HERS). Proud U. Titan N. There are two different styles of Rinnai water heater serial numbers. Rinnai condensate neutralizer kit. “By expanding our existing relationship with Lowe. (Training can be accessed on-line at. com. Compare. As with any tankless water heater from Rinnai, it is compact and powerful enough to meet the needs of a busy home as it consistently delivers hot water around the home. CU199eN is designed for exterior installation, natural gas fuel, is WiFi ready to. However, like any other electronic device, Rinnai tankless water heaters can also encounter issues or errors. Turn on the gas, bleed the line if necessary and check for leaks. if. For an electric tankless water heater, we recommend the Rheem Performance RETEX-36. Rheem 13kw Tankless Electric Water Heater RTEX-13. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations; Rinnai products provide peace of mind with warranties that surpass. 0 mobile app features timers, programmable schedules and even allows you to. Consumer financing and rebates are also often available. Minimum water pressure is 50 psi. Rinnai tankless water heater problems are not that different from problems you might experience with any other brand of water heaters. Only the size of a small suitcase, the natural gas RU160iN model is compact, easy-to-install and perfect for indoor locations. 8 gpm and a heating capacity of 199,000 BTU. Innovative technology : With condensing technology, Rinnai takes tankless water heating to the next level, delivering higher efficiency than ever before. PEACHTREE CITY, Ga. 9/5 stars from 15 reviews. Uniform Energy Factor (UEF): 0. $618. , control•r, and Smart-Circ Intelligent Recirculation, Tankless Truths, and. For use with Rinnai Tankless Water Heaters (SENSEI SE+, HE+, and HE Series) with input of 160,000 BTU or greater. Steel enclosure. Rinnai: Rinnai: Rinnai: Rinnai: Name: High Efficiency Non-Condensing 8. Reliability They Can Count On. 366 Reviews (366) $2,089. RU199IN 199,000 BTU Super High Efficiency Condensing Indoor Tankless Water Heater (Natural Gas) SKU: RU199IN. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Control and Convenience. Rinnai RU199iN Tankless Water Heater. Plus, with premium technology, increased energy efficiency, an improved Home Energy Rating System (HERS) Index Score and optimized LEED eligibility, our tankless solutions can increase your home's value. 74 each. RE160eN. 75 (5 new offers) Rheem RTGH-68DVLP-3 Super High Efficiency Condensing Indoor Tankless Liquid Propane Water Heater, 6. • DO NOT install this water heater above 10,200 ft (3,109 m). Only the size of a small suitcase, the propane fueled RSC160iP model is compact, easy-to-install and perfect for. At Nick’s Plumbing, we offer our customers a selection of some of the best electric and gas tankless water heaters currently on the market. Rheem. The Rheem ECO180DVELN-3 Performance Plus High Efficiency Indoor Natural Gas Tankless Water Heater can provide up to 8. Rinnai products provide peace of mind with warranties that. Enjoy an endless supply of hot water with the SENSEI™ RU160iN Super High Efficiency Plus condensing tankless water heater from Rinnai. 380. Recent reviews for North Richland Hills tankless water heater installation services. Rinnai Tankless Water Heater Installation and Operation Manual 7 • DO NOT operate the water heater without the front panel installed. Using a durable copper heat exchanger to optimize heat transfer,. Rinnai Gas Multi-Point 17i Low NOx Internal Water Heater Revolutionise and go continuous flow with Rinnai high efficiency Low NOx multipoint water heaters. M Series. Ideal for small to medium homes or remodels. temperature and open all available hot water taps full including the shower. 0 GPM at a 35 temperature rise. Connect a Control-r™ WiFi Module†: Easy step-by-step instructions to connect WiFi module to manage your tankless water heater. Better Value Than a Tank. Noritz manufactures units for hot water production and radiant heating applications while Rinnai doesn't. com. Rinnai tankless water heaters last up to twice as long, and save energy-heating water only when needed The Rinnai difference Individually tested for quality before shipping, Rinnai makes the vast majority of our key components, unlike our competitors, allowing for better, more consistent quality Super High Efficiency Plus View Energy Guide. Products; Tankless Water Heaters; Accessories; Featured Products; NEW NRCR w/ Recirc; EZ Series; Column 2 [Residential Image] Column 4 [Commercial Image] Column 3 [YouTube Video] About Us. Set the desired temperature: Rinnai water heaters work in the temperature range from 98°F to 140°F, with a factory setting of approximately 120-125°F. 3 GPM, Natural Gas, Outdoor Installation. 2 Rinnai Tankless Water Heater Installation and Operation Manual WARNING If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury, or death. All venting of gas or liquid propane tankless water heaters REQUIRES UL approved Stainless Steel vent pipes due to the heat produced in the venting process. • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance. Training on Rinnai Tankless Water Heaters is accessible at • Read all instructions in this manual before installing the water heater. FREE delivery Tue, Oct 24 . Rinnai tankless water heaters last up to twice as long, have twice the warranty, and save energy as they only heat water when it is needed. Step 1: Check Gas Line Valves. Rinnai Tankless Water Heaters Set aside the “Rinnai Tankless Water Heater Installation and Operation Manual” as you will need to reference clearances, venting options, and other information specific to the water heaters. Rinnai local experts will help consumers select the Rinnai Tankless Water heater that is right for their individual needs and budget and perform a top-quality installation. High Efficiency Plus 7. A condensate neutralizer should be used on all condensing gas appliances, as the condensate from gas combustion has a very low pH which could be harmful to septic and sewage systems. Every Rinnai tankless water heater is individually tested for quality before shipping. us Learn more at rinnai. If you are installing a GTK15 Kit on one of the following tankless water heater models, follow the instructions in Section 2. • Proper installation is the responsibility of This guide applies to storage gas water heaters, instantaneous or tankless gas water heaters, electric resistance water heaters, and electric heat pump water heaters. 8 Flow rate @ 100°F rise (gpm) 7. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for outdoor locations; Rinnai products provide. Hot exhaust and vent may cause serious burns. , the first—of many non-condensing tankless water heaters—rolled off the line. Cascade Cables allow up to 24 water heaters to be connected and function. 8 GPM Residential 199,000 BTU/h 58. Warranty (Residential) - Limited 12-year on heat exchanger, 5-year on parts, 1-year on labor (5-year optional on labor) These new Rinnai RUCS Condensing Tankless Water Heaters expand Rinnai’s Ultra Series condensing lineup to 6 models, in both indoor and outdoor versions, ranging from 130,000 to 199,000 BTU. Whether you are washing the dishes, washing your clothes, taking a shower or drawing a hot bath, Rinnai’s tankless water heater technology will supply endless hot water to your lifestyle demands-even if it demands you do them all at once. This allows for significantly fewer wall or roof cuts, less labor, and longer vent lengths than ever possible with single-unit. The Rinnai RSC199iN is powered by natural gas and is powerful enough to run seven fixtures simultaneously, energy-efficiently. It is installed outside our house between our two bathrooms. Department of Energy (DOE) is proposing a new rule to raise efficiency standards for tankless gas-fired water heaters. • DO NOT obstruct combustion air to the appliance. Reliability They Can Count On. Only the size of a small. Pair your Rinnai tankless water heater or boiler with our new hydronic air handler system to provide your home. The water heat-er must be installed according to the exact instructions in this manual. In fact, Rinnai Tankless Water Heaters use up to 40% less energy than a traditional tank water heater. Technology to Improve Your Lifestyle. 0 GPM Sensei+ with Smart-Circ Condensing Tankless Hot Water Heater with Built-In Recirculation for Outdoor Installation. However, running it around four gallons per minute will cost you only about $130 a year. For a tankless unit to qualify, it must have a Uniform Energy Factor (UEF) of at least 0. What are some of the most reviewed products in Rinnai Tankless Water Heaters? Some of the most reviewed products in Rinnai Tankless Water Heaters are the Rinnai High Efficiency Plus 9. For information on permitting requirements for othe r water heating system types and configurations, see section 150. RSC Model Series. We do not recommend putting the tankless heater outside mainly because the water pipes feeding the Rinnai can freeze and prevent operation. • DO NOT obstruct combustion air to the. Rinnai’s super high-efficiency models offer sleek design, maximum output and an array of features ideal for the hot water demands of large homes.