Hiya,
I've currently got 2 CH engineers & an electrician friend of theirs who are trying to work out how to add a thermostat into the wiring for a Vaillant ecotek 837 - they say there is no information in the installation manual. The boiler is working fine, HW & CH, we just want to add a room...
Hello guys, I am having problems with a cylinder in a flat that is failing to supply hot water at the taps.
The top element or (top up) was renewed three years ago, yet even when both elements are turned on, the water will not heat up.
Both immersion elements and both stats have tested okay...
I fitted a remeha avanta 28c (there new combi think its an avanta plus but not 100 percent)
anyway, I fitted a mechanical timeclock which was easy enough, just goes to terinal x2 on pcb, all wires labeled so you cant get it wrong.
From what I made out you needed l, n, e from fused spur to...
Got a call today, custards got no heating but they gt hw. The Roomstat unit is apparently dead no display(could have been dropped he said), batteries changed apparently still nothing.
Are both these units coded together? can I just get a new thermostat unit.
cheers boys