HOT WATER BOILER

摘要

A remote control detecting means, emitting a no-remote control signal when the presence of a remote control operating device(7) is decided and the remote control operating device(7) is not connected, and an AND circuit, emitting an abnormal signal when the no-remote control signal output from the remote control detecting means and a water flow detecting signal output from a water flow detector are received, are provided, and a gas burner(10) is maintained under the state of combustion inhibition during a time when the abnormal signal is output from the AND circuit at the time of reconduction after return from service interruption.