The 10 steps involved in flushing a rinnai tankless water heater are as follows:

Rinnai tankless water heater flushing instructions. There is a manual that comes with every purchase of your rinnai tankless water heater. Connect the hoses and verify connections are tight. We will look at some of the content found in the manual.

It provides a continuous supply of hot water at a preset temperature. Rinnai tankless water heaters are known for their reliability and durability. Use the service (isolation) valve and connect the circulation pump (such.

Rinnai tankless water heater manual. Turn on the supply line’s shutoff valve to flush any remaining vinegar or cleaner and let it run for at least ten minutes. Learn the proper way to flush and maintain a rinnai tankless water heater.

This appliance is direct vent where air. The rinnai water heater is one of the most advanced water heaters available. Rinnai tankless water heaters are designed to provide maximum performance and efficiency using either a 3/4 or 1/2 gas line, as long as sufficient gas flow is available.

Shut off the valve and continue draining the water. The cost of flushing a rinnai tankless water heater with vinegar can range from $50 to $150.it is recommended that you cleanse your well water twice a year if you use well water. As a general rule, you should flush.

Search below for product documents. Open the flushing valves by turning them at right angles. Turn off the power (both electricity and gas) to your tankless heater.