The Efficient Home Forum

I have an answer to my own question but thought i'd post it here in case anyone else is interested. I called Telford, the manufacturer of a reputable unvented cylinder and asked them the question. All their tanks are built to order and they have a simple solution where they built the cylinder with ...

Hi Everyone,

I currently have a vented cylinder that has a CS92A Wireless Tank Thermostat (external thermometer attached to outside of tank under insulation) to monitor water temperature. A BDR91 WIreless Relay sits about 1m away and is hard wired to the rest of the system.

I'm about to replace ...

Thought i'd kick off a new thread to gauge people's thoughts on the future of EvoHome. For complete transparency - I haven't had a great experience with my EvoHome system so having spent best part £900 on a system that doesn't work half the time my opinion may be slightly biased. Puttying the ...

I bough the "TES-Wi-Fi-Value-Pack-A" on 29/10/2018 so am coming up to a year.

I have Y Plan system. 2 x BDR91 (hot water and heating) , 1 x ATF500DHW0, 5 radiators zone valves.

When it works it's great. But more often than not it doesn't. The iPhone App has been utterly useless since day 1. Nine ...

Thanks,

Starting to make a bit more sense although i'm wondering if I'm a BDR91 short (The kit came with 2) given my setup? Do i need 3 in total?

1 x BDR91 for Mid position zone valve HTG
1 x BDR91 for Mid position zone valve DHW
1 x BDR91 for Boiler Relay.

Alternatively, I can get away with ...

I bought the "Honeywell evohome Wi-Fi Connected Value Pack A" plus an additional 4 HR92's a while back. I've not had time over the past couple of months to attempt to wire everything up but did manage to get the the controller and HR92's working in 7 different zones (one has two HR92 in a zone ...