Honeywell ST9400C 7-Day Electronic Programmer with 2-Channel

Happy days

Good and easy to fit. Timer Programmed in minutes

Verified purchase:  Yes • Condition: new • Sold by: allbits-plumbing

Honeywell control

Excellent unit easy to use!

Verified purchase:  Yes • Condition: pre-owned • Sold by: kevstah

St9400

Very easy to install even if you have an old Honeywell time.

Verified purchase:  Yes • Condition: new • Sold by: serf1984

Simple to fit

Simple to fit
Went straight onto existing Honeywell backplate.
Easy to set up.
Excellent tech support if needed.

Verified purchase:  Yes • Condition: new • Sold by: mailheat

Easy x 3

Easy to fit
Easy to set up
Easy to use

Modern controllers are an electronic confusion...almost impossible to work out..This one is awesome

Verified purchase:  Yes • Condition: pre-owned • Sold by: j.a.rsalvage23

Finally a solution

Easy to operate and set up and fit - after 18 years with an older model which was permanently set to "on" we have wasted hundred of pounds in unnecessary energy heating a boiler because the settings were not working.At last a simple solution - should have sought this out years ago!Read full review

Verified purchase:  Yes • Condition: new • Sold by: triggerz215

Central heating programmer

Easy replacement for the existing model. Straight swap onto current wall plate, no rewiring needed. Stylish design, easy to operate, a good product.

Verified purchase:  Yes • Condition: new • Sold by: mailheat

Have used one for years . This was a replacement for one that got damaged by water.

Verified purchase:  Yes • Condition: new • Sold by: 1Et5sisqTyW@Del...

honeywell timer

superior programmer to its older version, nice to be able to turn the bright back light off

Verified purchase:  Yes • Condition: new • Sold by: borderspares

You can’t go wrong with Honeywell.

Smart design. Very easy to use. The programming is intuitive.

Verified purchase:  Yes • Condition: new • Sold by: enjaypcbee