Navien Dhw Wait Mode - How Much Is 2 Bill From 1976 Worthsupport And Help Detail Unplug the unit and wait a minute before plugging it back in. It only says 140 on the front no other numbers like e002. The wrench is an indication that thereโs an error. Some of the combi boilers run short cycles to keep the dhw heat exchanger hot all the time. This reduces the hot water wait time.
How Much Is 2 Bill From 1976 Worthsupport And Help Detail