Hi all. Looking for advice, my fan died so I bought a replacement to find it's not the same model. It's too late for an eBay return now.

I have pretty much zero electrics knowledge beyond wiring a plug 15 years ago. I work in IT so "open it, move each wire one to one, one by one" didn't seem too challenging. But I have a two wire fan to replace a three wired one. I believe I lose the timer function?

So should I just buy the right one and go with Plan A? It's a small bathroom only about three times the size of the shower cubicle. I remember being told I would need more throughput than the cheap thing in place when I moved in. This one would only stay on as long as the light is on, is that right, so not expelling moisture for a while after use?

Should I still use this one but get it installed by a professional if it's not like for like? I've identified the breaker for the lights, have bought a voltage tester screwdriver thingy, will stand on a wooden stool and hold my belt behind my back with my left hand. That's all the safety awareness I have.

Thanks in advance. UK based if it makes a difference. "Image uploads appear to be down" in my lemmy app so apologies, will try to add photos later.