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control unit for hot water and central heating?
does anyone know how much it would be to get an electrician or plumber out to replace the timer control unit for hot water and central heating, also the downstairs thermostat and three part valve need replacing.
that sounds odd that 3 devices have all gone at the same time
usually you can replace a central heating programmer yourself., most programmers have a common backplate, but to make sure buy one formthe same manufacturer - cost around
£20..50. when you buy it tell the supplier what your old model is and ask for their advice, and make sure you can return it if it doesnt do what you want - tools required probably an electrcial screwdriver (small thin flat blade) & small Phillips or Posidrive screwdrivers)
stas dont tend to go wrong, do an eleectricla check to make sure it has power, alwterntively put the heating on and move the stat dial, if it when it clicks indicates that either the relay has moved - its the relay that either calls for heat or shuts down the system
3 port valves can be replaced quite easily - providing you can drain down the heating system and have the right tools, usually they are attached to the system using large nuts whihc can be opened using adjustable spanners AKA stilson wrenches
however the fact that you state 3 devices arent working would suggest to time its an electrical problem. this could be either a wiring problem (say vermin have damaged the cable) or the programmer is goosed. repalce the programmer first (well second, check any fuses.
Personally Id replace the programmer yourself and see what happenes if its still wrong then call a plumber. But get one you are reccommended there are a heck of a lot of cowboys outhtere (especailly the emergency plumbing companies)
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