E-TOP’s RF Wireless Programmable Boiler Thermostat is the premier retrofit solution for modernizing European gas boiler systems without the need for new wiring. Operating on a stable 868MHz frequency, this transmitter-receiver kit eliminates wall drilling and reduces installation labor by up to 60%. Fully CE (RED) and UKCA certified, it supports universal dry contact connections, making it compatible with 95% of boiler brands. For HVAC distributors and installers, it offers a reliable, energy-efficient (Open Window Detection), and cost-effective upgrade for both heritage buildings and modern residential projects. Item No.: WT-02 Communication: 868MHz Wireless RF (Stable signal, no wiring needed) Installation: 2-in-1 Design (Wall-mounted or portable Table-stand) Programming: 7-day programmable (5+2/6+1/7) for maximum comfort Energy Saving: Open Window Detection & Frost Protection built-in Safety: Child lock & Temp. calibration features Build: Fire-retardant ABS+PC material with soft white backlight Market Ready: CE, RoHS, UKCA, REACH, RED certified; ISO 9001/14001 factory

The E-TOP WT-11 is a next-generation wireless programmable smart heating thermostat for boiler systems, sporting a refreshed modern upright casing and a highly intuitive user interface. This premium wireless thermostat provide convenience to control heating system remotely for room temperature, creating an exceptional balance between premium aesthetics and high-performance trade reliability for regional plumbing merchants and commercial installers. Item No.: WT-11 Programmability: 7days programmable schedule (5+1+1 / 5+2 options) Mode: Heating and cooling mode (Default heating mode) Backlight: Premium High-Contrast White Material: Fire-Retardant ABS+PC Packing: Netural White Box, OEM acceptable Other function: Child lock, Open window detection, Frost protection, Temp. calibration Optional: OpenTherm protocol, WiFi optional, Zigbee optional Cetificate: CE, RoHS, UKCA, REACH, RED certified; ISO 9001/14001 factory Switching Relay: 3A Potential-Free (Volt-Free Dry Contact)

It's a wireless smart thermostat with Open Window Detect function. It means open window mode is enabled in the parameter setting, the system will automatically stop heating when thermostat detects a sudden drop of room temperature (2°C in 15 minutes as default). This is normally caused when a window or door is opened without turning off the heating device.  Item No.: WT-15 Programmability: 7days programmable Mode: Heating and cooling mode (Default heating mode)  Backlight: White Material:  ABS+PC Packing : Netural White Box, OEM acceptable Other function: Child lock, Open window detection, Frost protection, Temp. calibration  Optional: Opentherm protocol, WiFi optional, Zigbee optional Cetificate: CE, ROHS, UKCA, REACH, RED

It's a wireless smart thermostat can be easily put on desk all around the room where you want.  Item No.: WT-16 Programmability: 7days programmable Mode: Heating and cooling mode (Default heating mode)  Backlight: White Material:  ABS+PC Packing : Netural White Box, OEM acceptable Other function: Child lock, Open window detection, Frost protection, Temp. calibration  Optional: Opentherm protocol, WiFi optional, Zigbee optional Cetificate: CE, ROHS, UKCA, REACH, RED

This is a wireless room thermostat control heating system in each single room. Build-in sensors in your  wireless room thermostat detects when the temperature falls to a chosen level and then feedback to the heating system to turn on.  Item No.: WT-08 Programmability: 7days programmable Mode: Heating and cooling mode (Default heating mode)  Backlight: White Material:  ABS+PC Packing : Netural White Box, OEM acceptable Other function: Child lock, Open window detection, Frost protection, Temp. calibration  Optional: Opentherm protocol, WiFi optional, Zigbee optional Cetificate: CE, ROHS, UKCA, REACH, RED