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Installing a new Meross Thermostat for my hot water boiler

housedweller · 2024-07-07 19:59:21

I have a hot water boiler for our showers/bathroom taps, and I’m having trouble wiring it up to a new Meross MST200 (which will link to WiFi and allow for turning on the hot water when we’re out!). I have my mains power cable and the cable from the boiler unit: power wire coming in with normal 3 strands: blue/brown/yellow…

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07-07-2024 8:59pm

#1
housedweller

Registered Users Posts: 30 ✭

Join Date: September 2015

Posts: 21
I have a hot water boiler for our showers/bathroom taps, and I’m having trouble wiring it up to a new Meross MST200 (which will link to WiFi and allow for turning on the hot water when we’re out!).
I have my mains power cable and the cable from the boiler unit:
power wire coming in with normal 3 strands: blue/brown/yellow & green
Four strand wire from the boiler unit: blue/brown/BLACK/yellow & green
The Meross device has multiple ports:
IMG_6397.jpeg

My take:
I add my mains power into 1 & 2
But then not a notion on where I connect the boiler wires to…..

Thanks- we have no hot water as I’ve dismantled the lot, so any help would be wonderful!!!

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