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Immersion Heaters Installation Costs

Material Costs, Labour Fees and Time Frame Estimates for Immersion Heaters Installation

Whilst most residences in the UK are fitted with a central heating system, some are equipped with immersion heaters to serve as a backup source of hot water. Electric immersion heaters are very much like a massive kettle that heats the water using an element in the cylinder that serves as storage— in turn, providing the household with hot water whenever needed even if the central heating isn’t on.

 Immersion heaters may also be programmed to automatically come on especially during off-peak times to save on your electricity consumption. Unlike kettles, it’s pretty common for hot water cylinders to get equipped with two or three elements for heating within. It’s common for these elements to last for decades. Unfortunately, nothing really lasts forever so there may come a point when the elements will need replacement. Also known as the heaters, it’s common for the elements to be the only thing that needed replacement and usually not the rest of the water tank. 

DIY Possibilities

Getting the heating elements replaced is usually just a straightforward, simple job, especially if you are well-versed with simple hand tools and you have considerable experience with electrical wiring basics. If you think that your immersion heating elements can be replaced via DIY, make it your first step to check that the problem isn’t in the consumer unit or fuse box. After you have determined that this isn’t the one causing the problem, make sure to get the specific circuit in your consumer unit isolated. You’ll need to switch the immersion heater off so you are sure that it will be electrically safe for you to proceed. 

Perform the Necessary Tests

Proceed with testing the heating element an electric test meter so you know that there isn’t any power coursing through. Get the electrical wiring disconnected next and check if your thermostat is working fine. Have it set to maximum and then get the resistance in the terminals duly measured as well. You want to see continuity as this is a sign that your thermostat is in good shape. If there isn’t any continuity, you’ll need to get the thermostat replaced as well. If your thermostat is working fine, you’ll need to get the elements tested for continuity next. When there’s very high resistance registered on the meter, this is an indication of the element being open circuit and you have a broken heater. A replacement will be in order, in this case. Also, before you get the immersion heater removed, the tank will have to be drained completely first.

Choose the Appropriate Heating Element Replacement

Getting the right replacement for the immersion heater can be a very tricky process. Most of the time, it will be next to impossible to read the serial numbers. Most of the time, people will have to place orders simply by going with a replacement element that seems to look about the right size. It’s at this point where professionals can be most helpful. The right experts will know which specific pats to order without having to go through any trial and error method. 

Wiring Tips

When fitting in the immersion heater replacement, make sure that you wire it whilst making sure that every electrical connection is tightened before going turning the power back on, getting the tank refilled with water, and then turning it back on again. It will be easy to know soon after whether the heating elements are working well or not. 

You do have the choice not to have to go through the howl task yourself. A plumber who is also electrically qualified can be called in to get the repairs done instead. 

Recognising the Signs

It would be easy to tell if the immersion heaters malfunction because there’s a very good chance that the entire house will go dark as a result of the circuit cutting out. Often, this is due to the heating element’s protective covering breaking down, causing the water to come in.  Electricity and water aren’t really a good mix, to begin with so what follows next is a short circuit in your consumer unit. It’s not always going to be disastrous though. There are instances when all you have to deal with as a consequence is water that takes forever to heat up. Do remember that there are certain regulations that have to be followed in terms of the electrical work that needs to be done. So, unless you’re competent enough as what the regulations have stipulated, it is best not to attempt to do the job yourself. 

Immersion heater Installation Costs

It’s possible to buy immersion heaters to replace your busted ones for cheap at around £20 to £40 each. The price will have to depend on the size of the elements though and whether there’s a need for you to secure an element made of Titanium as it is needed if you have hard water. 

You’ll find that the costs for the parts are just but a small fraction of what will be involved with the installation process. You’ll likely have to pay so much more in terms of labour. Also, there may be a need for you to get the two, even three elements as well especially in those instances when one has failed. It would make sense to just get the rest of the heating elements replaced instead as the rest of the elements are likely going to fail anyway. 

A tradesperson will likely need an hour or two hours tops to get the work done. If there are complications— which would be very seldom, then it might take longer. Generally, you should be paying no more than £100 for the job although this could vary depending on which part of the country you are. 

Cost Breakdown

For changing an immersion heater with a single element, individual costs could come up to £120. Of that, $24 will cover the material costs and $96 will cover the tradesperson fees.