A non-responsive piston means you should replace your TRV. Stay tuned until the end of this article when we present our selection of market-topping TRVs…. If the piston is moving smoothly but your TRV is not operating, the internals are likely kaput. It happens now and then, especially in older models, so take this opportunity to upgrade your home heating and benefit from proper TRV function.
Fit a new TRV, confirm the valve works, and years of worry-free modulated heating should await you. Avoid finding out your thermostatic valve is broken too late, as well as preventing a sticking TRV, by seasonally checking and lubricating your valve piston. It is also important to keep the vents around the valve head free of dust and other debris as these may lower the accuracy of your TRV readings.
In a property with multiple radiators heating rooms of varying traffic, thermostatic radiator valves are a no-brainer! With the simple maintenance we mentioned, your TRVs will function flawlessly for years. And if you have an intelligent home heating system, a set of electronic thermostatic radiator valves will be your best move for significant energy and money savings.
Help the environment by heating your own with greater consideration. This is why our government is encouraging TRV use across new building regulations. We at Only Radiators care deeply about the preservation of our planet — for this reason, we totally endorse TRVs! Browse our full selection of radiator valves and discover the perfect product for your home heating today. Next day delivery available. As always, keep checking up on the Only Radiators blog time and time again for industry-leading home heating ideas, and sign up to our newsletter for exclusive news, money-saving tips, competitions and much more!
Posted on 10th August Posted on 3rd May Posted on 23rd February Back to top. Search for blog article Search. The basic concept is the same as traditional TRVs but the level of control is far more detailed. We work with Genius Hub who offer an intelligent control system that works seamlessly with most boilers and heat pumps, and of course with our radiators too. Unlike two-pipe steam and hot water radiators, one-pipe steam radiators are controlled not at the inlet side but instead on the outlet.
Adjusting the size of the opening into a one-pipe steam radiator causes problems with condensate drainage so instead, we control the air that leaves it. Before a heating cycle starts one-pipe radiators are full of air. If that air can't get out, the steam can't get in.
Adding a thermostatic valve between the radiator and the air vent adds control to the amount of air that can escape and, as a result, the amount of steam that enters the radiator. Thermostatically-controlled steam radiators require a vacuum breaker.
Our discrete VAB05 vacuum breaker is designed specifically for this purpose. How they work, when and where to use them and a little on smart heating controls. Thermostatic Radiator Valves are probably more commonly known as TRVs and their main function is to control the air temperature of a space by automatically adjusting the amount of hot water that enters the radiator they are attached to.
A TRV will allow you to have a little more control over the temperature in each room of your home, making creating a warm and inviting space more efficient and cost-effective. If you set up a thermostatic radiator valve in the correct way, it will allow you to create different heating zones throughout your home, despite only having one centralised boiler system providing your main source of heat.
In short, TRVs are a simple and affordable way of controlling the heat output of a radiator and the temperature of a room. A Thermostatic Radiator Valve is self-regulating and works by automatically changing the flow of hot water that comes into your radiator at any one time.
It is a pretty simple mechanism to understand and consists of two main parts — the valve head and the valve body — with the head as you might expect sitting on top of the body.
When the temperature of the room begins to change, a capsule in the head of the TRV will either expand or contract — automatically moving a pin in the body of the valve which causes the valve to either open or close.
If the temperature in your room drops a little too low, the capsule will contract and pull out the pin; allowing more hot water to enter your radiator and increase its temperature.
Conversely — if the room begins to get a little too warm — the expansion of the same capsule will cause the pin to close the valve and reduce the amount of hot water. The capsules in thermostatic radiator valves operate using a metal spring that is filled with wax or liquid — with the liquid type considered to be the best and most consistent at adjusting the temperature.
One of the main advantages of liquid TRVs is that they are far more responsive to fluctuations in temperature than their wax cousins. Wax can be quite slow to expand and contract, while liquid TRVs will change the flow of water into the radiator considerably more quickly — this is also reflecting in the price of both variations. As with most things, prices vary depending on the style of radiator valve you want to buy and — with thermostatic valves — whether they are liquid or wax filled.
If you only have one pair of valves to fit, the engineer will probably just freeze the pipework and add the thermostatic radiator valves to the radiator. With well over half of the energy in your home being used for heating and hot water, if you combine a TRV with a complete set of heating controls — including timers and room thermostats — you can make substantial savings on the overall cost of your heating.
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