Radiator Valves suitable for cast iron radiators - What is the difference between a Manual valve & thermostatic (TRV) valve.
At Coventry Demolition Company, we are often asked 'what is the difference between a Manual Radiator valve and Thermostatic valve or TRV valve?'
Well, the difference is relatively simple - Manual radiator valves, like our Crocus manual valve set or the simpler looking Traditional School Brass manual valve set, allow you to simply turn your traditional cast iron radiators fully on or off. You won't be able to regulate the heat output of your cast iron radiator as would be able to with a Thermostatic valve. However, generally, the up side is that manual valves tend to be a little cheaper are are easier to operate, usually from a central room or boiler set thermostat.
Thermostatic valves, like our Bentley thermostatic valve range or the more ornate Crocus Brass Thermostatic radiator valve set, will allow you to control the heat output of each cast iron radiator they are TRV fitted to, to the desired temperature for each room. Usually, the Thermostatic valves will have numbers or lines/rings to help you set what temperature you require. For example, both the Bentley Thermostatic valve and the Crocus Brass Thermostatic valve sets have rings on the lock shield side, whilst the Elegance Chrome Thermostatic valve set has numbers 1 to 6. Each allows you choose a desired heat output from approx 6 degrees to 30 degrees depending on the design.
Many thermostatic (TRV) valve designs also have a 'Frost Protection' feature, which means that when the lock shield is fully turned in a clockwise direction (off position), the valve will continue to work when the temperature falls below 6-7degrees. This may sound like an overly fussy feature, but given the extremely cold temperature we have recently experienced and the cases where, cast iron radiators have split and cracked because the water inside the heating system has frozen and expanded, these valves do offer greater peace of mind when you are away or forget to adjust your thermostats, for a few pounds more.
In these times where every penny counts and utility bills growing evermore expensive and, with more people being both cost and environmentally conscious, using a thermostatic radiator valve in the right rooms of your home could save you a little money in the long run, whilst making it more comfortable to live in.
How? Well, some rooms in your home will obviously be used more than others, for example, the living room, bedrooms and kitchens. Therefore, it would be advisable to use thermostatic valves in these areas because as the weather and temperatures change through the seasons, this affects the temperature in your home. So, if you fitted a thermostatic valve to your cast iron radiators in these rooms, you would be able to get full output from your cast iron radiator on a cold winter's day, keeping you lovely & warm. However, on a much warmer spring or summers day you would want to the output to be more lower, thus with a thermostatic valve set you can reduce the heat output to a more comfortable setting.
Using a manual radiator valve in these rooms doesn't give you this flexibility. You would either have the cast radiator turned on or turned off with no flexibilty in between.
With hallways & bathrooms, it is fine to have manual valves fitted as you really tend to need more ambient temperatures because you spend a lot less time actually living in them. This means you don't need to have constant variable control over the heat output of your cast radiators here.
We hope this has answered your questions, but if you do need any further help or advice, please feel free to contact us & we will be happy to help.
Coventry Demolition Company have been in business for over 25 years and have built up an enviable reputation for great customer focused service with both trade and residential customers. All their cast radiators come with a comprehensive warranty and they deliver anywhere on the UK mainland, Northern Ireland, ROI & mainland Europe.
For more information on Coventry Demolition please contact them via their website http://www.coventry-demolition.co.uk/ or telephone them on +44 800 294 8603
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