: A master button to start or shut down the water heater system. Pre-heating/Circulation (Model Dependent)
If you open the tap too little, the burner may not ignite or might go out mid-use due to low flow . tgc bc-90-1h manual
: This button allows the bathroom controller to take control of the water heater's settings. When the Priority Indicator The Ultimate Guide to the TGC BC-90-1H Manual:
: A master button to start or shut down the water heater system. Pre-heating/Circulation (Model Dependent)
If you open the tap too little, the burner may not ignite or might go out mid-use due to low flow .
: This button allows the bathroom controller to take control of the water heater's settings. When the Priority Indicator