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Thermostat - it's a basic old Honeywell one, it has a dial to set the temp, and nothing else. But the dial has lost its 'grip' so no idea what we're calibrating to really. It's also positioned next to a draughty kitchen door. Could DIY replace with the same model but would like to get one with a timer and ability to move the heat sensing bit around, but the wiring diagrams don't look relatable.
Most of the smart thermostats provide instructions on how to DIY replace an existing wired one. I would say most would cover the Honeywell models. The instructions basically tell you how to number/label the wires and then says "connect 1 here, 2 there, 3 over here" etc. Doesn't really solve the heat sensing unless you go down the route of adding more stuff to it.
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Both diyable - 1st one depends on how the toilet been fitted and access - turn off incoming water to the cistern, move toilet forward and the flexi waste pipe will come off - held by a rubber seal effectively
second one is doable - if its a straightforward combi system then its simple wiring
alternatively get a plumber in to do both for you -
Replacing a flexible connection is easier than most other types and they usually seal first time. It's just that any work with toilets can be unpleasant. Gloves, plastic bags and some old towels are helpful. Does seem odd that it's frayed though.
I'm never sure whether it's worth moving a thermostat because you can just offset the amount by which you think it is colder than the rest of the living area. If you wanted to do to the relatively standard honeywell mobile battery operated thermostat that connects by radio to a box connected to the boiler you might be able to position that box where the current thermostat is but it doesn't make much sense. You would wire the receiver directly to the boiler and then the battery operated bit connects to it and can be placed wherever. That's a very basic, not smart system that's probably the most normal type in homes at the moment.
They have a range of similar types.
I'm trying to decide if a smart one would be better for my own use at the moment.
2 things are broken - best to get someone in or DIY-able? (by people with little skill and no expertise):