I recall we have a couple of heating engineers on here so hoping for some sage advice.
The issue is we have a mix of wet rads and wet underfloor. Rads in the old part of the house and underfloor in the extension. Boiler is a Vaillant combi 831.
I’m trying to figure out how the installer has configured it and it’s making no sense at all. The wireless receiver for the rads seems to have developed a fault, when the thermostat calls for heat the boiler doesn’t fire up. Tried all 3 positions and none will fire up the boiler which leads me to suspect the receiver is goosed.
Anyway, leaving that aside, I can’t see how the underfloor controller is calling for heat. The only thing I can see is a 2 core wire which seems to go back towards the boiler and there’s no other use for it. Power comes in from above but this one goes into the floor.
So can I get a recommendation for a replacement comtroller please? I was kind of thinking a 2 zone job where I can fit the receiver to the boiler and have it wirelessly controlled from both a room thermostat and something the underfloor controller can trigger. Does such a thing exist?
The wireless receiver mounted in the boiler
The Hole it goes into
The back of the wireless controller
The underfloor controller
The issue is we have a mix of wet rads and wet underfloor. Rads in the old part of the house and underfloor in the extension. Boiler is a Vaillant combi 831.
I’m trying to figure out how the installer has configured it and it’s making no sense at all. The wireless receiver for the rads seems to have developed a fault, when the thermostat calls for heat the boiler doesn’t fire up. Tried all 3 positions and none will fire up the boiler which leads me to suspect the receiver is goosed.
Anyway, leaving that aside, I can’t see how the underfloor controller is calling for heat. The only thing I can see is a 2 core wire which seems to go back towards the boiler and there’s no other use for it. Power comes in from above but this one goes into the floor.
So can I get a recommendation for a replacement comtroller please? I was kind of thinking a 2 zone job where I can fit the receiver to the boiler and have it wirelessly controlled from both a room thermostat and something the underfloor controller can trigger. Does such a thing exist?
The wireless receiver mounted in the boiler
The Hole it goes into
The back of the wireless controller
The underfloor controller