How To Descale Noritz Water Heater

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How to descale noritz water heater. Assemble your own kit with these parts. Place a bucket under the water heater to drain water from the water drain valve. Flushing or de scaling is part of the regular maintenance of a noritz heater. Repeat step two on the cold water side.

Carefully remove a hose threads from a second hot and the cold ports of water. Use the system descaler to get the hose and then attach it to a very hot valve. Close the v4 valve and then remove both drain hoses h1 and h3. Carefully unscrew the water drain valve to rinse the flushing solution and then close it.

Water heating for the future. We introduced the first modern electronically controlled tankless water heaters in 1981 and we remain the leader in energy savings and superior hot water delivery today. Noritz has been an innovator in the water heating industry for over 60 years. Place the five gallon bucket underneath the.

Turn both hot and cold valves off. For condensing units only. Connect a hose to the submersible pump and. Keep the unit on but turn the gas valve off.

Descaling a noritz tankless water heater 1. First turn off the valves. It involves circulating a solution of pure vinegar or calcium lime and rust product through the heat exchanger using a submersible pump.