Replace Low voltage Thermostat (Salus RT500) but line voltage smart thermostat (Meross MTS200) | DIYnot Forums
![Meross Smart Wi-Fi Thermostat for Water/Gas Boiler System Temperature Remote Controller Work with HomeKit Siri Alexa Google Home - AliExpress Meross Smart Wi-Fi Thermostat for Water/Gas Boiler System Temperature Remote Controller Work with HomeKit Siri Alexa Google Home - AliExpress](https://ae01.alicdn.com/kf/Se4cb86a8227d459f9b6bb4416b8b5bd98.jpg_640x640q90.jpg?width=1500&height=1500&hash=3000)
Meross Smart Wi-Fi Thermostat for Water/Gas Boiler System Temperature Remote Controller Work with HomeKit Siri Alexa Google Home - AliExpress
![The Quick Installation Guide: Meross Smart Wifi Thermostat for Boiler/Water Heating System MTS200 - YouTube The Quick Installation Guide: Meross Smart Wifi Thermostat for Boiler/Water Heating System MTS200 - YouTube](https://i.ytimg.com/vi/izHO0_D99G0/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLDkkpML4kXM7RUMsW1VLflVZ4jwKw)
The Quick Installation Guide: Meross Smart Wifi Thermostat for Boiler/Water Heating System MTS200 - YouTube
![Meross Smart Thermostat for Combi Boilers and Underfloor Water Heating, Glass Touch Panel, Schedule and Multi-room Function, Hubless, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant : Amazon.co.uk: DIY & Tools Meross Smart Thermostat for Combi Boilers and Underfloor Water Heating, Glass Touch Panel, Schedule and Multi-room Function, Hubless, Compatible with Apple HomeKit, Amazon Alexa, Google Assistant : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61zgWdMD7mL.jpg)