Hi I’m After a little advice, After filling the hot water tank I switch the control on to heat the water but it took ages to heat and I couldn’t hear the tank bubbling away as it usually does. Eventually I messed about with a the controls and gas an it started to get hot. After looking in the manual it shows a control for gas and another control for electric(electric has el next to it instead of just the flame picture) I thought my hot water tank was heated by electric not the gas, I
Or is my water heater gas only?
Or is my water heater gas only?