Search results

Ok, apology time the switch on the LP522 was on pump not gravity. I thought I’d slid the thing over to G but when I looked more closely, it’s not a slider it’s a tab that you have to move from sitting on one set of steel pins to sit on another set of steel pins…so in effect it doesn’t slide at...

It’s only the HW that’s gravity, the CH is pumped. The boiler fires up for the HW but not the CH

I made sure the switch on the LP522 was set to gravity before installing it on the back plate

If you look at the Q&A section of the product on Screwfix you’ll see my question and the answer to it

Yes, this little switch shown circled green

https://www.screwfix.com/p/drayton-lp522-2-channel-digital-programmer/20673?bvnotificationId=07fd0106-dc5b-11ee-a27d-067c1fbea4a3&bvmessageType=QUESTION_ANSWERED&bvrecipientDomain=hotmail.com#answer/1003330345

Photos from old and new instructions

So I’ve just fitted the new LP522 but the back plates weren’t compatible. Luckily it was a case of just transferring the wires from the terminals on the original back plate to the terminals on the new one. The boiler fired up initially and started sending hot water to the rads but then the...

CBW, someone on the Screwfix site is suggesting that if I use an LP522 I’ll need to change the backplate and swap 2 wires….

Top man, thanks again

Thanks CBW. So when I look at alternative models, what part of the specification will tell me that it’s an ‘industry standard’ timer?

Hi I have a Baxi Bermuda SL2 which is controlled by a TRAC TPE20. The TPE is playing up so I need to replace it. Any suggestions please would be appreciated. Reading online it seems a lot of controllers slot onto a back plate so if there’s a controller out there that would slot onto my TPE20...