The frequency of this service may range from between 6 to 12 months in many cases. We will describe you how to flush a Rinnai tankless water heater as a reference machine. Choose a sink tap inside and turn on the hot water slowly to allow the air to pass through the pipe. Lot cheaper than calling a plumber to flush. Disconnect and remove the hosing lines from each valve. Remove hose pipes & put a cap on both flushing valves. 4.3 out of 5 stars 130. Linking Policy, Need a Professional Installer? Rinnai tankless water heater flush procedure; Rheem tankless water heater flush procedure; Notritz tankless water heater flush procedure; No matter which brand of gas tankless water heater you have, there are a few phases in flushing that must be done in order, but are all fairly simple to follow. This prevents cold water from flowing into the water heater and hot water from coming out during the cleaning process. The first step is you need to turn off the gas line valve. I am sure the efficiency was increased by the flushing. Since the power is on such electricity is still running to the unit. 7. Tankless water heaters have high-powered burners that can heat water very quickly as it runs through the heat exchanger. SMART HOME VOICE ACTIVATION Rinnai is an industry leader, proven when we became the first water heater with Amazon Alexa integration. Performance – Conveniently Good. Replace the purge port valve caps onto the purge valves. Both gas & electricity drives water heaters. These actions make both valves turned off. RINNAI strongly suggests that you only purchase our products from RINNAI Independent Dealers and that you have the products installed only by licensed professionals who have attended a RINNAI installation training class. Through the blue color one, cold water passes to the heater inside & through the red color one, the water goes into the house. Once the flushing process is complete, close the purge port valves by twisting the T-shaped handles. After descaling your Tankless water heater, you need to reset the unit to make it usable again. Copyright 2021, Rinnai America Corporation. The hosing lines must be long enough to reach between the water heater and a bucket. 11. The green Priority light will glow indicating that this controller is controlling the temperature and that the Rinnai Tankless Water Heater is ready to supply hot water. I flush the unit quarterly with vinegar. This procedure is done to relieve any pressure that has built inside the valves and will prevent excess hot water from shooting out during the cleaning process. Rinnai tankless water heaters and home heating solutions enhance the way your family lives. Needed Items. It tends to take longer, so her company charges $175 for a tankless water heater flush. Tankless units can have a service life of 20+ years if they are properly cared for, but allow lime scale to build-up within the internal parts … A quart flow aide is enough to flush one heater. Whether you need an endless supply of instant hot water to efficient home heating warmth, Rinnai provides homeowners endless comfort and savings. Whitlam KITC FLOW-KIT. Lock one end to red color hot water drain valve & put another term into the bucket so that the vinegar can come out through this end & recycle the flushing process by the pump. At Rinnai, our passion for constant improvement drives us to create incredibly innovative products for both home and commercial use. Related: How to Flush a Tankless Water Heater (Step-by-Step) Pour three gallons of vinegar into the bucket. How to Flush Out a Tankless Hot Water Heater. Both gas & electricity drives water heaters. However, take care not to over-tighten or break the rubber sealing discs inside the caps. Just set the valve perpendicular to the gas line. I have a natural gas high efficiency tankless water heater and found that it should be flushed once a year. Open the hot water draining red valve to remove the water stored inside. Please read all of the instructions before beginning, as you’ll want to have all of the necessary supplies ready for the process. It’s turned off. 5. Rinnai 8-1/2 x 21 in. 8. Handle each cap carefully so the rubber sealing discs stay in place. Rinnai Indoor Tankless Hot Water Heater / RL94IN /Natural Gas9.4 GPM, 9.4 GPM, RL94iN-Natural Gas/ 9.4 GPM Silver max BTU 199 000 max flow 9.4GPM Propane Tankless Water Heater With Valve Our high-efficiency plus RL models, offer Rinnai’s most advanced technology in non-condensing tankless water heaters. The tankless water heater can deliver water … These are needed for your valves to function properly. Installation is also usually cheaper for a Rheem than Rinnai. To properly maintain and clean your tankless water heater, it’s important to flush those mineral deposits at least once a year. 12. Use 4 gallons (15.1 liters) of undiluted white vinegar to clean your tankless water heater. They’re equally efficient whether you live in southern or northern regions. Last update on 2021-01-08 / Affiliate links / Images from Amazon Product Advertising API. It comes with a 32-ounce bottle of FLOW-AIDE. Generally, this flushing process is common but sometimes can vary a bit as per the manufacturer’s requirement. A tankless hot water heater heats water on demand instead of storing the hot water in a tank, which typically results in … Scale will interfere with the normal operation of your unit and decrease efficiency. Press the “Priority button” on the temperature controller. We will describe you how to flush a Rinnai tankless water heater as a reference machine. Since your home’s drinking and bathing water mostly likely flows through your tankless water heater, using chemical cleaning solutions could be extremely harmful to your health. Resume the power and run the water heater. It is a top-rated Rinnai tankless water heater flush kit with a 4.4 positive rating from 258 users. Get the other hosepipe. Close (turn off) the three water valves attached to your tankless water heater. Talk to a PRO to learn more or schedule an installation, Register your unit to ensure the reliability of your product, Speak with a Customer Care agent to ask a question or give us feedback, Copyright 2021, Rinnai America Corporation. The only difference is if you have a gas fuelled unit then you need to turn off the gas valve & for the electric heater you need to turn off electricity from the socket. Tankless water heater require flushing every 6 months to a year. Tankless Water Heater Descaling Cleaning Kit is designed to be used with tankless water heater 3/4" hot and cold drain connections in order to clean and flush out your system. Open up the pre-filter by a tool. If the manufacturer of your tankless water heater did not provide hosing lines, they are available at any home repair store that sells water heaters. I waited 2 1/2 years to do mine the first time and there was a large amount of nasty stuff in the bucket at the end. Set the hosepipe end at the blue color cold water drain valve. Over time, a tankless water heater may accumulate mineral build up which can erode the walls inside your tank's heating chamber. Clean the pre-filter by just sinking it in a bucket & reset it to its place. Two flexible garden hose. So the main water gates are locked to pass inside the unit. The flushing process requires you to follow the manufacturer’s instructions. Here you go! Maintain this process for 10 minutes. 2. You can use a wrench to tighten the hosepipe end. 99 $72.51 $72.51. Let's find one nearby. Continue to run the water until it runs steadily without air escaping (you may recognize this by a slight sputtering sound). The process is a bit more involved than flushing a storage tank water heater but pretty straightforward. You get the flexibility to choose the unit that works best for your home. Turn off the power source for your tankless water heater. Follow the instructions included in your manufacturer’s manual to perform the flushing and draining procedure. Attach hosing lines to each of the three valves. We have 2 Rinnai R94LSI manuals available for free PDF download: Operation And Installation Manual Rinnai R94LSI Operation And Installation Manual (44 pages) Direct Vent Tankless Water Heater Do not use this item for any installation or repair of potable water applications. 6. The only difference is if you have a gas fuelled unit then you need to turn off the gas valve & for the electric heater you need to turn off electricity from the socket. The tankless water heater cleaning kit is designed in a way that it will be able to increase the tankless water heater performance and can … The problem is that sometimes it doesn’t do as good a job as using a descaler solution. Regular doing flush in the tankless water heater is very important to prevent damage from minerals stored in it.