Or use a 230V no/nc relay next to the joint box to provide the HW on/off commands, feeding the coil from the existing HW "on" wire.
Discuss Replacing Potterton E2002 with Drayton LP722 in the Central Heating Systems area at ElectriciansForums.net
Leesparkykent
Nearly Esteemed
Some good ideas and options. You can go back armed now lol 
D
davesparks
chances are there wont be a permanent live in the joint box
Leesparkykent
Nearly Esteemed
Had this problem a few times with Y-plans. Pain in the backside when you've been given a wireless thermostat/receiver to install.
Good point, if the programmer is near the boiler there probably won't be a permanent live at the jb.
Reply to Replacing Potterton E2002 with Drayton LP722 in the Central Heating Systems area at ElectriciansForums.net
News and Offers from Sponsors
- Article
Join us at electronica 2024 in Munich! Since 1964, electronica has been the premier event for technology enthusiasts and industry professionals...
- Sticky
- Article
Good to know thanks, one can never have enough places to source parts from!
- Electrical2go
- Forum Sponsor News and Offers
- 4
- 759
- Article
OFFICIAL SPONSORS
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then...
- Dan
- Forum Sponsor News and Offers
- 0
- 748
Similar threads
glad it was such a simple fix.....
And good job the previous owners didnt take it with them
- Ambiguous1499
- Central Heating Systems
- 6
- 703
Certainly is!!
And another thing .......... On the old Hive receiver the relay common is a separate terminal, whereas on the new Hive presumably...
- littlespark
- Central Heating Systems
- 5
- 358
OFFICIAL SPONSORS
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc
YOUR Unread Posts
-
Song words.Heart - Nothin' At All View: https://www.youtube.com/watch?v=Y2lXKZ9Zksg- Latest: bj the dj
-
What is your hourly rate as a self employed electrician? (2023)Any chance you could put the poll back up visible @Dan , so we can get a few more hourly rates...- Latest: HappyHippyDad
-
How is 0.2s disconnection time met on TT?30mA trip current would trip up to 7666 ohms on 230v. 100mA would require 2300 ohms. Anything...- Latest: cireland
This website was designed, optimised and is hosted by untold.media Operating under the name Untold Media since 2001.