Opentherm Room Thermostat for Boiler Low Power Battery Wireless Thermostat for

Opentherm Wireless Thermostat For Gas Boiler Digital Programmable Gas Boiler Heating Thermostat Low Power Battery Version For Water Gas Boiler/Valve Actuator Works With OT communication Boiler. 【Two Different Types Of Heated Versions】--For Valve Actuator / For Water Gas Boiler.

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