How To Change A Radiator Thermostat?

How To Change A Radiator Thermostat

A radiator thermostat is a device used to regulate the temperature of heating systems. They are often found in homes that use radiators or other sources of heat, such as hot water radiators. Radiator thermostats work by sensing changes in air temperature and turning on the heater when it gets too cold and turning off the heater when it’s warm enough. This keeps your home at an even temperature all year long without wasting fuel.

This blog post will cover how to change a radiator thermostat so you can keep your home comfortable year-round!

How To Change A Radiator Thermostat?

Following are the steps to change a radiator themostat:

  • Find the radiator thermostat in your home. You can do this by simply checking where your heating system is located and looking for the thermostat attached to it.
  • Turn off the power switch on the heater or furnace. This will prevent damage to your system when you are working on it.
  • Unscrew the radiator thermostat from its mount with a screwdriver, or by loosening the screws on the side. The most common location to find your radiator thermostat is in your furnace room, basement, or mechanical closet. If you don’t know where your thermostat is, it’s safe to assume that it’s in one of these rooms.
  • Remove the radiator thermostat from its mount by unscrewing it or loosening the screws on its side.
  • Test to see if your old radiator thermostat still works by plugging a working fan into the thermostat and turning it on. If it doesn’t work, your radiator thermostat has likely gone bad and needs to be changed.
  • Place your new or refurbished radiator thermostat into its mount. Reassemble the device by screwing it in place with a screwdriver.
  • Turn on the power switch to your heating system, and go enjoy a warm home!

Radiator thermostats can be changed in just a few minutes. Simply unscrew them from their mounts and screw in the new one. If you have an older radiator, it’s likely that your old thermostat has gone bad and needs to be changed. The best time to change your radiator thermostat is in the spring, so that you can enjoy an even temperature throughout the summer months.

Changing a radiator thermostat isn’t hard- it can save you money on fuel costs and give you more control over how warm your home stays!

What is a Radiator Thermostat?

The radiator thermostat is a device that has been developed to control the temperature of space heating systems. This will be based on the input from a thermometer and an air vent. This will operate to regulate the temperature in a room by means of either heating or cooling it. The thermostats for old systems need to be replaced with newer ones that will match the needs for this control function.

In this case, the system will be a part of a home heating which is using a hot water tank for this purpose. One advantage is that they can improve the efficiency of a furnace which usually operates at one temperature. The thermostats open and close to control the flow of water or electricity going to the heater.

A lower wattage radiator thermostat for example would reduce energy costs as it means that less heat energy will go into radiators. This also means that it reduces the cost of running space heating systems as more efficient levels operate with up-to 30% less energy. Most people find them convenient as they need only one floor space heating at home and so their rooms, on average come down in size by about 10%.

The modern systems for example will not require as much energy as the older ones which means that they will work on more efficient boilers. The valves on such a system can be pre-set by those people who find them useful. This also means that it does not give off any steam or gas into the room and so is safe to use. Another benefit of using a radiator thermostat is that you do not need to set your central heating on and so you save at least 10% of your heating bill by doing this every year.

They also have timers on some models which can be used to regulate night time temperatures in rooms where windows are left open during the day, these are operational from about four hours before dusk to four hours after this is done.

The central heating in most homes does not need to be on during the summer months, so it is possible for people to control their costs by turning it off when they are not using it and then turn it back on when you return home from work. In winter they will cover a space of about 50 square meters which can be used in most houses that have them fitted.

Why it is important to change radiator thermostat?

One of the key reasons as to why it is important to change radiator thermostat is that if you do not do it on time or regularly then there might be a chance that the radiator gets damaged. Hiring professional home services for installing and replacing your existing thermostat can save you from such problems which might later cause big expenses in maintaining your heating system.

There are also chances of people making a mistake while changing their old radiator thermostat with a new one. This is because, most of the people who have never done this before they usually get confused when replacing the thermostat. So hiring professionals to change your old radiator thermostat will give you peace of mind since they know what they are doing and definitely will ensure better results in case you want them to replace the unit for you.

What things need to be considered before changing radiator thermostat

There are a few things that need to be kept in mind while you change your old radiator thermostat and they include:

  • Always check the manufacturer’s manual of your heating system for instructions on how to replace your existing thermostat. If you do not have it then contact the service team who usually comes and repairs such issues. You can also look for help online as well.
  • Double check the wiring inside the radiator so that there is no damage done to any part including switches, coils, wires, etc.
  • Once replaced with a new one always turn off the power supply to avoid any electrical hazards and also test out if it is working accordingly or not by turning your heating system on.
  • Also, before turning the power back on to your heater just check if all parts are assembled or not as you never know there might be a small mistake from your side and it may cause further damage. So always double check everything.

These tips will help you maintain your heating system units so that they can work efficiently for many years before requiring any sort of repair or replacement.

Always remember to keep proper maintenance record because this is important when hiring professionals to replace your old radiator thermostat for you; this way they will have an idea about the history of your heating system and then take any necessary procedures accordingly.

How To Change A Radiator Thermostat

How do you change a radiator thermostat without draining the system?

It can be done but you need to be careful while doing it because if not handled properly then you may end up making a mess by spilling coolant all over the place.

  • Turn off your power supply to your heater unit so that there are no chances of electric shock or other accidents that might occur due to mishandling equipment which has potential electrical hazards. 
  • Locate the radiator thermostat in order to replace it with a new one. You should look for an external device usually connected with two wires at its back. Check carefully where exactly is located inside the radiator since this will help you remove it safely without causing any damage to other parts or avoiding any sort of accident while doing so.
  • Take an adjustable wrench and remove the radiator thermostat slowly. Make sure that you do not make any mistakes while doing so because if you don’t do it carefully then there might be some accidents like breaking of the thermostat which will make things complicated for replacing or repairing later on.
  • Once removed take new radiator thermostat and check its size with old one to ensure that it is fit properly inside the existing hole. If your old model was an exact match then go ahead with replacement otherwise try looking for one that matches exactly into place without causing any sort of leakage or mess around.
  • Reconnect it back based on what you have read in manual manual but before putting everything back together reconnect power supply to your heater and turn it on. Check if the new radiator thermostat is working properly or not.

You can do all these steps yourself without getting help from a professional as it may cost you extra money but you have to be very cautious about handling equipment with electrical hazards so that there are no accidents occur while doing something which involves a risk of electric shock, that could damage your heating system units even further .

These were some tips that one should consider before replacing a radiator thermostat themselves as it can be done easily but you have to take precautions so as to avoid any sort of accident from happening during the process. Always remember to check its size before putting back since this will ensure proper functionality along with minimizing any chance of accidents.



I am John Oakley. I love to share tips and reviews on products to keep our homes warm and comfortable.

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