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thermostats
A thermostat is a regulating device component which senses the temperature of a physical system and performs actions so that the system's temperature is maintained near a desired setpoint.
Thermostats are used in any device or system that heats or cools to a setpoint temperature, examples include building heating, central heating, air conditioners, HVAC systems, water heaters, as well as kitchen equipment including ovens and refrigerators and medical and scientific incubators. In scientific literature, these devices are often broadly classified as thermostatically controlled loads (TCLs). Thermostatically controlled loads comprise roughly 50% of the overall electricity demand in the United States.A thermostat operates as a "closed loop" control device, as it seeks to reduce the error between the desired and measured temperatures. Sometimes a thermostat combines both the sensing and control action elements of a controlled system, such as in an automotive thermostat.
The word thermostat is derived from the Greek words θερμός thermos, "hot" and στατός statos, "standing, stationary".
Hi there.
I had a Aquagold Unvented 250 lit Thermal Store Cylinder fitted a while ago. I also have the oil fire boiler connected. Also I have a 16" back boiler, hence the 3 thermostats!
I had the fire blazing yesterday & the oil fire heating was switched OFF. But for some reason the oil fire...
Hopefully this will be a quick question to answer so i will try keep the question as short as possible.
How do I connect up a two zone valves with integrated and external thermostat receivers?
Current set up.
So I have a Potterton Combi Gold HE and have just installed UFH. The pipe work and...
HugoG
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boiler
external
forum
integrated
plumbing
receiver
should
thermostat
thermostats
valves
zone
Anyone fitted one?
I'm fitting two next week to the new Greenstar i Combi. Wanted to fit the Salus it500 but their technical claim it's not compatible to the WBi new boilers?
Whats everyone's preference for smart thermostats / internet thermostats?
Nest, Hive, Tado, Honeywell or other
I have not fitted any yet, got a new boiler to fit and they want one
Sorry in advance for the long thread! Just want to make sure i provided as much detail as possible.
We are currently building an extension and whilst devastating the house have decided to install a new boiler, we have also opted for a John Guest UFH system to be installed in the new...
Chrismw1989
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boiler
central heating system
currently
motorised
motorised valves
oil
someone
thermostat
thermostats
valiant
valves
wiring
HI All
Anyone fitted a NEST smart Stat. If so what are they like or do you know of any alternatives?
Been asked to quote for a boiler swap (following BG) and cust would like a stat they can control from smart phone/ tablet.
Ive not come across any yet. So any advice?
Cheers
I was wondering if anyone could give me some help/advice on deciding which thermostats and timers I need in my home.
I currently have a Danfoss RMT 230 (basic mechanical thermostat) and a Danfoss Set3m timer controlling my central heating.
I want to replace these with digital controls so I...
skamuk1
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central
controls
heating
replace
thermostat
thermostats
these
Looking for a decent manufacturer of these. I won't fit salus and don't like programmable stats. I like honeywell stuff, but the volt free stats are not on the shelves round these parts.
Hi,
Might be a stupid question but here goes. Can I fit a pipe thermostat to a polypipe carrying DHW? Will it work as if fixed to a copper pipe or should I change the pipe for copper?
Thanks.
Hunda67
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copper
pipe
polypipe
should
thermostat
thermostats
Hi all,
I have two Nest thermostats that need to be installed on a zoned system (Honeywell ST9500C with . The thermostats run off 12V DC so they come with a converter called a Heat Link. This also communicates wirelessly with the thermostat to call for/stop the hot water heating.
My problem...
Kemik
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forum
installing
nest
plumbing
programmer
system
systems
thermostat
thermostats
zone
zoned
Hi All, This is my first posting to this Forum so please bear with me if I should transgress! I want to have my Baxi central heating boiler serviced, have 10 thermostats fitted to 10 radiators and a heated towel rail fitted in a bathroom. Is someone able to give me an idea of what the...
Dennis Leighton
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boiler
central
central heating system
color
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oil
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servicing
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thermostats
Hi guys,
Came accross a faulty "poly plumb pb pzp" Programmable room stat today, looking at how its wired it appears that its battery powered and only has a switched live connection in the unit. is there a suitable replacement that isnt made by poly pipe? i heard that honeywell did something...
HELP Tpi on Honeywell room thermostats
Hi all
i have fitted two of these in the last week or so when doing a boiler change . Both customers have said that since then the heating takes longer to heat up. when I saw the rep a few months back he said that the new fangled tpi built into the stat...
Thanks to the advice here I have a lovely new Valiant 624 system boiler with a Gledhill 180L indirect unvented cylinder, but I am undecided on what thermostat to run it on, my old system is ok but 18 years old so I have been looking at the new wifi programable thermostat's but they seem mostly...
Hi everyone,
We have just moved into a new apartment and I am trying to figure out the heating. We have a powermax 155x which I think I have figured out how to program to set the timings and everything. But on the wall in the hall there are two Drayton dial thermostats. One runs from 3-10, the...
Hello,
I was wondering if anyone could explain a little more on how these work please. As i understand it you can use them to set specific temperatures for different times of the day.
Do you have to have the programmer constantly on?
Are they suitable for all types of heating systems?
How...
Hello all
I am looking to have a combi boiler installed (my old boiler is retiring after 20 years). I have had several heating engineers in (large and small cos) and am now totally confused by all their varying advice.
My biggest confusion is the room thermostat and radiator thermostats...
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