new CH system, advice on thermostat


Postby jb1468 » Tue Nov 25, 2008 7:17 pm

To start I don't know a great deal about this area. I'm renovating my property and updating the CH system (very old boiler). I have a plumbing and heating engineer coming in few weeks to do the work.

I have Oil CH and am installing a conventional condensing boiler. I have a hot water cylinder. He is fitting a motorised valve to provide hot water separate to the heating system and a double time clock. I am also fitting TRV's to the rads. He first suggested not fitting a room stat, however given all the advice I read I have decided I want a room stat. I need to purchase the stat before he arrives as he is bringing all the other materials.

Hope I have provided enough context info. I have read around stats and I would like to fit a digital (for accuracy) programmable thermostat. The idea being that I set the CH programme/clock to always on and allow the stat to do the rest i.e. manage the temperature at different times.

Have I missed something or have I got this badly wrong. Will a digital programmable stat work ok with my system. Any advice on make/model? Are they any more expensive to get fitted than a basic stat. Its a basic 3 up 2 down house and am planning to fit it in hallway (will keep TRV of that rad) Any reassurance advice would be much welcomed
jb1468
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Postby plumbbob » Wed Nov 26, 2008 11:10 am

A PRT is more expensive to buy, but should cost no more to connect than a standard stat. If installing the wires is going to be a problem, choose a wireless type. There are numerous ones about.

Installing into the existing system should be a doddle, but how well it works will depend on how the whole system is plumbed and wired. The fact your installer was not intending to fit a room stat in the first place makes me raise eyebrows.
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Postby jb1468 » Fri Nov 28, 2008 4:50 pm

[quote="plumbbob"]A PRT is more expensive to buy, but should cost no more to connect than a standard stat. If installing the wires is going to be a problem, choose a wireless type. There are numerous ones about.

Installing into the existing system should be a doddle, but how well it works will depend on how the whole system is plumbed and wired. The fact your installer was not intending to fit a room stat in the first place makes me raise eyebrows.[/quote]

THANKS FOR YOUR HELP
jb1468
Posts: 11
Joined: Tue Mar 18, 2008 7:46 am


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