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Vaillant VR33 + VR66 for 2 zones and HW possible?
Hello, I am writing for some advice on my proposed setup, to see whether it is feasible. I have a Vaillant Ecotec Plus 630 boiler (not combi) already connected to a VR66. I will be shortly connecting the VR33 module to enable OpenTherm. My objective is to run 2 zones + HW. One zone for rads upstairs and the second zone for…
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Add (back) hot water schedule to Tado X
I would like Tado to bring back a schedule for the hot water boost function. I have a combi boiler controlled by opentherm. It has a preheat comfort mode that keeps some water hot in the heat exchanger so that you get hot water more quickly . For economy I only really need this for the morning and evening rush so would…
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Tado X Wireless Receiver Sending Incorrect Information to OpenTherm Boiler
I'm trying to setup a Tado X system to use OpenTherm to control my Combi Boiler and it is not working. Setup: Vaillant ecoFIT sustain 835 combi-boiler, Tado Wireless Receiver, Tado Wireless Thermostat, Tado TRV's I first setup the system in relay mode and it worked fine. I then added a Valliant V33 OpenTherm module to the…
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Wired thermostat as OpenTherm controller?
Bear with me on this one… I have an S-plan system with a Viessmann boiler. The weather compensation on the boiler is basic (cannot fine tune the curve). It's ok, but not configurable enough to run it on it's own, with no internal control (e.g. room stat). I've therefore been wondering (and this may well be a very long…
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Glow Worm Ultimate 3 30c Opentherm
Hi, I am thinking of buying the Tado v3 Opentherm as Tado have advised it supports bus which is what this boiler uses. However I notice that it comes with a plug (EU) and have to cut off the plug and put on a UK one. Can’t the boilers 240v connection power this instead if I wire it into that instead?
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Combining existing tado TRV radiator setup with new heatmiser UFH.
I currently have a tado wireless receiver instructing the condensing boiler to fire up when the TRV temperature sensor says so. My current setup is as shown below. I'm now adding 2 UFH zones with a manifold controlled by a heatmiser UFH wiring centre. With the addition of the underfloor heating, I would like to use the…