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Just to answer my own question, the VR66 and VR920 work fine with the VRT 380f.

I’d like to upgrade the current wireless control in my system to the VRT 380f. My current setup includes the VR920 Internet gateway and a VR66 control centre. Can I simply add in the VRT 380f in place of the current control and retain the VR920 and VR66 or would these have to be replaced too...

I just noticed this is one of the Vaillant documents: Install the ambiSENSE components in the control room that has the highest desired temperatures. If I understand that correctly then that what I'm seeing is a system limitation and that once the desired temperature is reached in the room...

Following some great advice on here I was able to get my Vaillant VRC 700f configured correctly to control the heating. I've now added the Ambisense starter kit (VR920 gateway + 3 VR50 rad thermostats) and additional VR50's for other rads, except for the bathroom rad with no TRV. I've set...

After receiving some help on here to get my Vaillant VRC 700 controller up and running I've purchased one of the Vaillant Ambisense VR50 TRVs to see how it integrates and that it fits. For cases where the threaded collar on the VR50 doesn't fit onto the valve, the box includes adaptors for...

Thanks for your extremely helpful information. The problem was caused by the Room Temp Modulation being set to none. Pretty dumb mistake I guess! It isn't happy with anything but a System Diagram of 1 though. It generates a fault if I select 2, which seems like it should be the correct one...

I fully expect that my lack of knowledge of plumbing and heating systems is the problem here, but I hope someone can help find the issue. My heating system is simple single zone open vent setup in a Y-plan configuration consisting of a Vaillant Ecotec Plus 424 with a VR66 wiring centre (setup...

First of all, thanks for the replies! Yes, I clearly am confused! I thought that an unvented cylinder meant that the whole system was no longer open vent. So does a change to an unvented cylinder then result in a system with mains pressure hot water? Presumably it is still necessary to run...

I've currently got an open vent system that includes a recently installed Vaillant EcoTec Plus 424 boiler. Does anyone know for sure whether this boiler can be used in a sealed system? I currently have to use a pump on the shower feeds but it's noisy and has to be used early morning when the...

It was me that was the knob, misunderstood what the builder was saying. Eventually got the job done. Builders charged £900 to remove old doors, central pillar and old lintels and to install new 5m wide RSJ. It was then £1700 for the supply and fit of the motorised door and control panel. All...

Thanks for your replies. The roof has the same pitch on all 4 sides with an apex in the middle, but the main rafters do run from front to back. I was fully expecting that an RSJ would be needed because of what I've read about others people's jobs, but as I'm fairly clueless on these matters...

Hi Guys, I'm looking to get the two single doors in my double garage converted to a single door. I've read lots of posts in different places that discuss the need for an RSJ but a builder that I've had round, who has done a number of such conversions, reckons that an RSJ is not needed. He...