Central heating boiler panel
Author: Stuartkey
Central heating boiler panel
The controls on a domestic central heating and hot water combination boiler
appliance appliances boiler boilers burner central close closeup combi combiboiler combination control controls dial dials domestic energy fired fuel gas heat heater heating home hot house household knob knobs led leds light lights max min panel resources saving stuartkey supply temperature thermostat thermostatic utilities utility water
