programmable room stat

[JohnD]

I currently have a Honeywell 3-wire room stat. I think I would like to have one that will run at a low setting during the night, and come back up in the morning.

I prefer things which are simple and cheap

What suggs?

 

[mikely]

I wanted to do the same thing and first put in a simple and cheap Horstmann DRT2 programmable thermostat. However, its temperature control characteristics were very poor; worse than the mechanical thermostat it replaced. I replaced that with a Honeywell CM907 which is an excellent device and well worth the extra cost.

 

[JohnD]

have you still got the old one?

 

[RoyMacDonald]

I had Eco DTR2's which are the same as the Horstmann and found I couldn't live with the greater than 1 C switching differential. I had to change them for Grasslin Famoso 1000's with a sub 0.5 C switching differential.

 

[mikely]

have you still got the old one?

Yes. It's in my reject and defunct electricals cupboard.

 

[JohnD]

want to sell it so I can give it a try?

 

[Rob]

Avoid Horstmann

Id recommend a drayton digistat 3

 

[RoyMacDonald]

Avoid Horstmann

Id recommend a drayton digistat 3

What's the switching differential on that? The Drayton technical pdf dosn't give it.

 

[JohnD]

anybody willing to sell me a used one so I can try it out?