
SPECIAL OFFERS
TotalHome 2 Channel 7 Day Programmer TTH2CT
A 7-day, 2-channel programmer from TotalHome (Resideo/Honeywell) giving independent heating and hot water scheduling, a direct replacement for the Honeywell ST9400C.
£46.08
£38.40 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The TotalHome TTH2CT is a wired heating programmer made by Resideo (Honeywell) under the TotalHome brand. It provides two independent channels so heating and stored hot water can be scheduled separately, and is sold as a direct replacement for the Honeywell ST9400C.
Signs this part needs replacing
- Heating or hot water no longer switches on or off at the programmed times
- Display is faint, flickering or unreadable
- Buttons unresponsive or programme resets unexpectedly
- Unit fails to hold programme after a power cut
Before you order
- Confirm the existing programmer is a Honeywell ST9400C before fitting this as a like-for-like replacement
- Check the backplate wiring against the old unit before disconnecting it
No specification data held for this part.
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| SPECIAL OFFERS Honeywell Total Home | — | — | — |
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No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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