EPH CP4i Smart Thermostat, White
Pros
- Full heating control via the EPH Ember smartphone app
- Clean white touchscreen design suits most hallways
- Works with combi and conventional boiler systems
Cons
- App and setup less polished than bigger-name rivals
- Needs a stable WiFi connection for remote control
How it compares in Thermostats & Heating Controls
We list 33 thermostats & heating controls products, priced from £35.99 to £229.99. At £129.71 this one is the 19th cheapest of them — 14 cost more. The average across the subcategory is £115.05 and the midpoint is £119.69, so it lands £14.66 above the average.
Its 4.2-star score sits level with the thermostats & heating controls average of 4.24, with 16 of the 33 rated higher. Its 52 Amazon reviews make it the 33rd most-reviewed here, against a subcategory average of 1,474.
Price position in Thermostats & Heating Controls
Splitting the subcategory into three price bands puts this product in the Mid-range band (£84.99–£138.29), which holds 12 of 36 products and averages £112.53 at 4.28 stars.
| Band | Range | Products | Average price | Average rating |
|---|---|---|---|---|
| Budget | £15.41–£79.80 | 12 | £49.39 | 4.15 |
| Mid-rangeThis one | £84.99–£138.29 | 12 | £112.53 | 4.28 |
| Premium | £138.29–£229.99 | 12 | £181.98 | 4.32 |
About this product
The EPH CP4i Smart Thermostat offers a sophisticated way to manage your home heating system. This wall-mountable thermostat from EPH Controls provides full heating control via the EPH Ember smartphone app, allowing you to adjust settings remotely and efficiently. Designed with a clean white touchscreen display, this smart device complements hallway décor and integrates seamlessly into modern homes.
This thermostat is suitable for use with both combi and conventional boiler systems, offering flexibility for various heating setups. It utilises Wi-Fi connectivity to enable remote control through the app and requires a stable WiFi connection for optimal performance. The CP4i also incorporates button control alongside the app functionality, catering to different user preferences.
The EPH CP4i includes all necessary components for installation, encompassing the GW03 Gateway, Power Supply/Instructions, RF1A-OT Receiver, and the RFRP-OT Thermostat itself. It’s a square item with a smart product style and features a backlight for enhanced visibility. The thermostat operates on 230 Volts and is designed for wall mounting.
Please note that this device connects to your boiler via standard wiring and requires professional installation by a qualified engineer. For information regarding warranty or returns, please refer to the manufacturer’s guidelines or Amazon's standard retailer terms.
Related attributes
FAQ
What type of boilers does the EPH CP4i thermostat work with?
The EPH CP4i is compatible with both combi and conventional boiler systems, providing full heating control for a range of installations.
How do I install this thermostat?
Installation involves mounting the thermostat on a wall using its wall mount design and connecting it to your existing boiler system. The included GW03 Gateway and RF1A-OT Receiver are essential components for the setup process.
What kind of control options does it offer?
The EPH CP4i offers both app control via the Ember smartphone app and button control for direct adjustments to your heating settings, giving you flexibility in operation.
Does this thermostat require a specific WiFi connection?
Yes, the EPH CP4i relies on a stable Wi-Fi connection for remote control functionality. A reliable network is necessary for utilising its smart features and app integration.
What materials is the thermostat made from?
The EPH CP4i has a white square shape with a smart product style, featuring an LCD or LED display for clear temperature readings.
How does this compare to similar smart thermostats costing around £135?
This thermostat offers programmable functionality and Wi-Fi connectivity alongside a clean white touchscreen design. While some competitors may have more polished app experiences, the CP4i provides robust heating control for compatible boilers.
What maintenance or cleaning should I do on the device?
To maintain the EPH CP4i, simply wipe down the LCD or LED display with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners to protect the finish of the thermostat.
What size wall does this fit?
The EPH CP4i is designed for wall mounting and its dimensions are suitable for typical hallway installations where it would be displayed as part of a smart product.
Are there any important safety notes I should be aware of?
Always ensure the power supply is correctly connected before operating the thermostat. Refer to your boiler manufacturer’s instructions for safe operation alongside this device.
What's included in the box?
The internal packaging includes the GW03 Gateway, Power Supply/Instructions and RF1A-OT Receiver – all necessary components for setting up and using the EPH CP4i.
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