OEM/ODM OpenTherm Thermostats & Digital Boiler Controls

E-TOP Controls engineers advanced OpenTherm-certified thermostats for seamless digital communication with modern gas boilers. Collaborate with an expert OpenTherm Controls Factory to deliver high-efficiency, energy-saving heating solutions for the European market.

Smart Modulating Control: Fully supports OpenTherm protocol for precise boiler flame modulation, reducing gas consumption and maximizing ErP efficiency ratings.
Seamless System Integration: Compatible with major European combi-boiler brands, featuring optional add-ons like domestic hot water (DHW) management and external weather compensation.
Dedicated OEM/ODM R&D: Backed by 20+ years of manufacturing experience, we offer deep firmware customization, white-label UI design, and robust PCBA development for your smart heating portfolio.

Battery LED Display Underfloor Heating or Ceiling Cooling WiFi Thermostat

This is a LED display RF WiFi thermostat for boiler or thermal actuator heating control 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. WT-76 thermostat shows the current room temperature, set temperature on the display. Item No.: WT-76 Programmability: 7days programmable from app Mode: Manual Mode, Away Mode, PRG Mode Color: Black or White Display: LED display with elegant glass in front 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

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E-paper e-ink Display Digital Smart Thermostat

This is a digital e-ink display smart thermostat for boiler or thermal actuator heating control 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. WT-75 thermostat shows the current room temperature, set temperature, or relative humidity on the display. Item No.: WT-75 Programmability: 7days programmable from app Mode: Manual Mode, Away Mode, PRG Mode Color: Black or White Display: E-paper, E-ink display 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

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New Smart WiFi Wireless Thermostat for Gas Boiler or Thermal Actuator Control

This is a smart wifi room thermostat for boiler or thermal actuator heating control 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-25 Programmability: 7days programmable Mode: Manual Mode, Away Mode, PRG Mode Color: Black or White 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

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Smart Wifi Programmable Heating Thermostat for Boiler

This smart thermostat has been developed to be able to control your heating and hot water from anywhere via your smart phone. Item No.: WT-20 Programmability: 7days programmable Mode: Heating and cooling mode (Default heating mode) Backlight: Black 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

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Smart Wifi Thermostat for Boiler Heating Control

This is a wifi room thermostat for boiler heating control 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

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Wifi Control Programmable Boiler Heating Thermostat

This is a wifi thermostat provides convenience to control heating system remotely for room temperature. Build-in sensors in your room wireless thermostat detects when the temperature falls to a chosen level and then feedback to the heating system to turn on. It's an easy use thermostats. Item No.: WT-02 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

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Wifi Digital Room Heating Thermostats

It's a wifi digital room 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

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Wifi Programmable Smart Heating Thermostat for Boiler

This is a wireless thermostat provide convenience to control heating system remotely for room temperature. Build-in sensors in your room wireless thermostat detects when the temperature falls to a chosen level and then feedback to the heating system to turn on. It's an easy use thermostats. Item No.: WT-11 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

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