Set the blue color water valve perpendicular to the line & red color hot water valve also perpendicular to the front. Rinnai 8-1/2 x 21 in. Check at your shower that your water heater is functioning correctly or not. I flush the unit quarterly with vinegar. The recommendation is also to clean the in-line filter. 9. 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. This prevents cold water from flowing into the water heater and hot water from coming out during the cleaning process. Turn off the pump. Follow this simple process to ensure optimal tankless water heater performance and efficiency. Whitlam KITC FLOW-KIT. It provides a continuous supply of hot water at a preset temperature. This is a safe and effective way of flushing tankless water heaters, which can be done by its owners or a professional plumber. Disedare says Texas Water Heaters runs water through the pipes to clear out scaling and sediment, and cleans the fans, filtration, venting and other crucial parts. Needed Items. 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. The instruction from the above is recommended by the Rinnai manufacturer. 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 flushing process requires you to follow the manufacturer’s instructions. Let's find one nearby. They’re equally efficient whether you live in southern or northern regions. And I am going to share the trick I have used to flush my Rinnai R75LS tankless water heater! Tankless systems use up to 30 to 50% less energy than tank units because they eliminate the need to hold water in a storage tank. The first step is you need to turn off the gas line valve. Please prepare below materials-. 4.3 out of 5 stars 130. Scale will interfere with the normal operation of your unit and decrease efficiency. Open the caps from the blue & red valve. Tankless water heaters have high-powered burners that can heat water very quickly as it runs through the heat exchanger. The tankless water heater can deliver water … Open the cold & hot water valves, turn on the main gas line valve. 3. Please read all of the instructions before beginning, as you’ll … 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. I have owned a Rinnai Tankless water heater for over 10 years. How do I flush clean my Rinnai tankless water heater? At Rinnai, our passion for constant improvement drives us to create incredibly innovative products for both home and commercial use. All rights reserved. Plug in the pump & flushing the water heater by vinegar will be started. 99 $72.51 $72.51. You can use a wrench to tighten the hosepipe end. The frequency of this service may range from between 6 to 12 months in many cases. Discover why millions of families rely on their Rinnai tankless water heater and home heating gas appliances for total home comfort. Circ-Logic Technology allows you to purchase the pump separately for installation. 7. Over time, a tankless water heater may accumulate mineral build up which can erode the walls inside your tank's heating chamber. Last update on 2021-01-08 / Affiliate links / Images from Amazon Product Advertising API. 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