We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
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Get it by Wednesday, Jan 1
£19.99 Flat Shipping + VAT £19.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates
Payment Methods
Delivery Partners
Step 1 Add the items into your cart or submit a Purchase order
Step 2 Checkout, select NET30 payment (provide company registration and VAT number)
Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days
Step 4 Make payment via BACS to our factoring partner,
| Application | Heat And Cool |
| Backlit Screen | Yes |
| Battery Backup | No |
| Battery Included | No |
| Changeover Type | Manual |
| Compatible Software/device | Android, Apple Homekit |
| Compatible System Type | Electric Forced Air Furnaces, Gas Forced Air Furnaces, Heat Pump Without Aux |
| Control Type | Push Button |
| Dehumidification Control | No |
| Differential Temp. | 1°F |
| Differential Type | Adjustable |
| Display Type | Digital |
| Dual Transformer Compatible | Yes |
| Electrical Connection Type | Hardwired |
| Fan Settings | Auto On |
| Filter Change Reminder | No |
| Frequency | 50/60 Hz |
| Housing Color | White |
| Humidification Control | No |
| Includes | Anchors, Screws |
| Includes Positive Off | Yes |
| Key Pad Lockout | No |
| Low-battery Indicator | No |
| Maximum Temperature Control | 90°F |
| Minimum Temperature Control | 44°F |
| Mounting Direction | Horizontal/Vertical |
| Number Of Cooling Stages (conventional System) | 1 |
| Number Of Cooling Stages (heat Pump System) | 1 |
| Number Of Heating Stages (conventional System) | 1 |
| Number Of Heating Stages (heat Pump System) | 1 |
| Overall Depth | 1" |
| Overall Height | 4 3/8" |
| Overall Width | 4.688" |
| Programming Capability | 7-Day |
| Shape | Square |
| Smart Connectivity | Wi Fi Control |
| System Settings | Cool-Heat-Off |
| Temperature Limiting | Yes |
| Temperature Readout | Yes |
| Temperature Scale | Celsius, Fahrenheit |
| Temperature Settings Per Day | 4 |
| Temporary Program Override | Yes |
| Temporary Temperature Hold | Yes |
| Terminal Designations | B, C, G, O, Rc, Rh, W, Y |
| Voltage | 24V AC |
| Ship weight (kg) | 0.29 |
| Ship height (cm) | 11.11 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 11.91 |
| Country of Origin | MX |
| Product | Model | Item | Price | |
|---|---|---|---|---|
 |
T855iSH | Low Voltage Thermostat | £318.83 |
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
Trade pricing is available for 
Order Value should be £500+