- Joined
- 5 Nov 2024
- Messages
- 3,759
- Reaction score
- 1,901
- Country
Yes that looks like a Y plan setup.
Honeywell ST699 to Hive issues
- Thread starter monkeyalan
- Start date
- Joined
- 27 Jan 2008
- Messages
- 27,432
- Reaction score
- 3,316
- Location
- Llanfair Caereinion, Nr Welshpool
- Country
Yes Y or W plan, unlikely a W plan. The Y Plan has a DHW off wire, as well as the on wire. It will work without the DHW off wire, and I have found a few where the off wire is missing.
Also found where rules have been ignored, and the green/yellow wires which are not earth, be careful.
Also found where rules have been ignored, and the green/yellow wires which are not earth, be careful.
- Joined
- 2 May 2025
- Messages
- 7
- Reaction score
- 0
- Country
Really grateful for the replies. Many thanks.
DIYnot Local
Staff member
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local
