HR92's Knocking - Water Hammer?
Hi There I have just had a new system boiler installed (swtiched from combi) and installed new radiators The HR92's were all working fine prior to the switch. The new radiators all have honeywell...
View ArticleInstalling the Evohome Hot Water Kit
Over the past day or two I've got a new Evohome system up and running for control of my radiators. I'm now turning my attention to the installation of the Evohome Hot Water Kit. One problem has arisen...
View ArticleVaillant ecofit pure 435 + evohome + opentherm
I thought I'd share my findings from setting this up. Overall it works very well! Bought the vr33 opentherm board from this Dutch seller: https://www.cvonderdelenhartog.nl/Va...-0020017895/en Bought...
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Evohome HR91
Hi, I have a Honeywell Evohome system with HR91 radiator thermostats. I have one zone, DINING ROOM, which shows 22° although the target temperature is 18.5°. Any idea how this can happen and how do I...
View ArticleHoneywell Home App going offline for maintenance
https://twitter.com/Honeywell_Home/s...UdxNQXsnw&s=19
View ArticleAdding Electric radiators to Evohome with extra BDR91 Relay and Y87 Stat
Hello, I've built a summer house in garden, and want to use electric heating inside. My current Evohome Setup Is 9xTRV controlling 9 zones and simple on off boiler control via BDR91 relay to combi...
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Evohome HR91
Hi, I have a Honeywell Evohome system with HR91 radiator thermostats. I have one zone, DINING ROOM, which shows 22° although the target temperature is 18.5°. All the other zones keep within 0.5° of the...
View ArticleEvoHome - Boiler running when no demand
Hi, I have a situation where late in the evening (10pm as HW goes off and no Heat demand) the boiler continues to run and will run overnight unless I stop it. If I turn HW relay on/off it then stops...
View ArticleVaillant 831 Ecotec Plus going over set temp
Noticed a strange thing with my boiler over the last couple of days,the set temp is 65 degrees but when I've checked d40 it's going between 5-8 degrees over the set temp.My boiler is the Vaillant 831...
View ArticleIs it possible to have the Evohome controller call for heat in a multi zone...
I have a Honeywell Evohome, connecting to several HR91 TRV's across the house. The hallways and a couple of rooms don't have TRV's, and the EvoHome controller acts as the temperature sensor for those...
View ArticleStorage Combi of choice these days
Asking for a friend, no seriously. He doesn't have the space or need for a full blown Unvented cylinder and system boiler. But can fit a Storage Combi. In 2022, what would be the boiler of choice. The...
View ArticleSmart Light PIR sensor
Hi, I have some outdoor lights that are currently controlled by a PIR movement sensor and dusk to dawn. So if it's dark and it detects movement, it turns on the lights for 2 mins. This is not 'smart'...
View ArticleEvohome with underfloor heating
Good afternoon, I currently have a Honeywell Evohome System in my home and need some advice please. We are having an extension built and want to install wet underfloor heating system and incorporate it...
View ArticleIDRATEK join the blue light society :-)
For those who may have been missed out of our mailing list - By this I mean of course that we have finally started on the journey of creating our own radio based products. IOTA (IDRANet Over The Air),...
View ArticleReliable Corner TRV for HR92
7 years ago we did a full refurb of the house we purchased including new rads / valves trying to get the most aesthetic design which included embedding pipes into the walls to come out just by the...
View ArticleRed reset light on Worcester Bosch Greenstar 30si (using BDR91)
Hello, I have recently installed 8x HR92s + BDR91 relay box wired to a Worcester Bosch Greenstar 30si boiler (thread) All was working well for the last coupe of weeks.....until the red boiler "reset"...
View ArticleInteresting BDR91 interference issue
I have an Evohome installation that has been causing me some trouble, the BDR91 used as boiler relay on a Combi system kept displaying comms error with slow flashing red light. So I have followed all...
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EvoHome H/W Heating Issues Some Observations and Questions
Hi, So I was finally able to find someone to install the H/W kit and and BDR91 to control a single zone for some UFH we have. This was installed on Thursday and the Sparky had some problems getting the...
View ArticleSanity-check my Honeywell HR91/HR92 plans...
3-bed semi, with 2 beds currently used as home offices. The house was set up as two zones top and bottom, but we use the house "left-right" more than "top-bottom" - we're on the right side of the house...
View ArticleAlexa and Evohome - I now seem to have duplicates of everything
Alexa now lists all my Evohome devices twice. The Quick actions are now listed as Scenes, the rooms are listed as Thermostats but also Other. Do I need to manually go and delete each of the old device...
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