Brand new and in stock (unused stock) sealed box please check my other listing's for more heating related items The Worcester CDI/Si/i LP20/DT20RF Wireless 2 Channel Programmer 77161920540 is a white wireless controller unit with a manufacturer warranty of 1 year. It is a genuine Worcester Bosch spare part and features a thermostat and programmable settings. Designed for indoor use, this energy-efficient programmer is suitable for boilers and has an A+++ energy efficiency rating. With a compact water heater profile and made in the United Kingdom, this unit is a reliable choice for controlling your heating system efficiently.
Didn't work initially so had to get the multimeter out to see what was going on. Turns out my old mechanical thermostate needed to be replaced with a link in the boiler connector. Had a thought it was someting like this but took ages to find info to confirm it. PLEASE do not attempt this if you are not experienced as this is at 240VAC which can kill you. Get an expert. I'm an electronics engineer.
Anyway, that sorted, works as expected.
Item as described and arrived in good time via DPD. Item was bought to replace British Gas Hive unit installed to Worcester Bosch boiler which wasn't
Item as described and arrived in good time via DPD. Item was bought to replace British Gas Hive unit installed to Worcester Bosch boiler which wasn't functioning properly.