Is it true that central heating only works when hot water is on?

Our hot water works fine but our central heating only works when the hot water is on as well. If we just switch the heating on the light comes on fine on the ep2002 but the pump doesn’t run & the boiler downstairs does not fire.

What to do when central heating won’t turn off?

Then all works until end of next central heating cycle and then programmer should switch central heating off but it stays on continually, with radiators getting very hot. Help needed please. If you turn on hot water only, and see the boiler is firing, the position of the valve should be at W. If not, the valve is faulty.

How does central heating work when thermostat is off?

When central heating is required, the motorised valve receives power (on its white wire) from the room thermostat via the programmer to operate the motorised valve motor and open the heating outlet. If the thermostat, or programmer go ‘off’, the live should be lost and the spring pulls the valve back to close off the heating port.

Can a faulty central heating and hot water valve be repaired?

Also a chance like the previous that you may have a faulty motorised valve. They only way to be sure is yo check the movement of the valve (s) when turning heating and hot water on/off or remove programmer (making sure electrics switched off first) to see if the programmer in question has been set to fully pumped.

What should the thermostat be at when the boiler is on?

My thermostat is at the lowest setting (10 degress) but the heating is on continuously. The boiler is set to automatic so it should run off the thermostat.

Why is my heating system thermostat set at 68?

Why Your Heating System Thermostat Set at 68, Won’t Heat Above 65. Why Your Heating System Thermostat Set at 68, Won’t Heat Above 65. “Is it cold in here or is it just me?”