
Installing an electric shower is a complex process that requires specific knowledge, especially when it comes to handling electricity and water. It is recommended that a suitably qualified tradesperson undertake the installation of a Triton electric shower. However, if you are a competent person, plumber, or electrician, you can refer to the following introduction before diving into a step-by-step guide. First, ensure that the fuse for the electric shower is off, and isolate the water supply by turning off the isolation valve. You will need a mains plumbing supply with a 15mm pipe diameter for the best fit. The electrics will need to be connected to a separate fused electrical supply, with a ceiling double-mounted pole switch for safety. Electric showers have a minimum water pressure and flow rate requirement, so be sure to check the measurements for your unit.
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What You'll Learn

Ensure you have the right qualifications or experience
Plumbing and installing an electric shower requires specific knowledge, qualifications, and experience. It is crucial to hire a qualified electrician or plumber to ensure the installation is safe and compliant with regulations. Electric showers involve handling electricity and water, so the installation process requires expertise in this area.
To install an electric shower, one must have a Part-P Certification. This certification is necessary whether you are a plumber, electrician, or registered as a competent person through the Part-P verification system. Obtaining this certification ensures that you have the necessary knowledge and skills to handle the installation safely and effectively.
If you are replacing an old electric shower with a new one, the process is relatively simple. However, if you are replacing a mixer or power shower with an electric shower, additional steps are required to sort out the pipework. In some cases, you may need to use tools such as a reciprocal saw, an adjustable wrench, a pipe cutter, and pipe fixings.
It is important to note that electric showers require handling electricity and water, so one should always ensure that the fuse for the electric shower is turned off before beginning any installation or maintenance work. This simple precaution can prevent accidents and ensure the safety of the installer.
Overall, plumbing and installing an electric shower is a specialised task that requires the right qualifications and experience. By hiring a qualified electrician or plumber with Part-P Certification, you can ensure a safe and compliant installation that meets all necessary regulations.
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Prepare the necessary tools and materials
Before you begin to plumb a Triton electric shower, it is important to ensure that you have the necessary tools and materials to complete the job safely and effectively.
Firstly, you will need to check that you have the correct qualifications and certifications to handle the installation. This includes having Part-P Certification and adhering to building regulations, especially when handling electricity and water connections. If you are uncomfortable with any aspect of the installation, it is recommended to hire a qualified electrician or plumber.
The electrical work will require a separate fused electrical supply and a ceiling double-mounted pole switch for safety. Ensure that you have the correct fuse/MCB size for the kW rating of the unit, following I.E.E. regulations. For example, a 7kW unit requires a 30/32amp MCB, while an 8.5kW unit needs a 40amp MCB.
For the plumbing, you will need a mains plumbing supply with a 15mm pipe diameter for the best fit. The Triton range of mains-fed electric showers and the T90xr pumped electric shower require a 15mm compression fitting. On the other hand, the T80si pumped shower features a 15mm push-fit inlet connection.
Basic tools such as a drill, screwdriver set, pencil, wire snips, an adjustable wrench, pipe cutter, pipe fixings, and a reciprocal saw may be needed, especially if you are installing a new shower unit. If you are simply replacing an old electric shower, you may not need all of these tools. Remember to always refer to the manufacturer's instructions for specific requirements and safety guidelines.
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Turn off electricity and water supplies
Before starting any work on plumbing a Triton electric shower, it is imperative to prioritise your safety by turning off the electricity and water supplies. This is because you will be handling electricity and water, and you do not want to risk electrocution.
Firstly, locate the fuse for the electric shower and turn it off. This will prevent the risk of electrocution when handling the cables. It is also important to note that if you are replacing an old shower unit, you will likely need to rearrange the existing cables. This is a job for a qualified electrician unless you have the necessary electrical experience and adhere to building regulations and have an authorised inspection.
Next, you will need to isolate the water supply to your shower. This can be done by turning the isolation valve, which is usually found on the pipework leading to the shower. It may be tucked away under your bath or behind your bathroom tiles. This step should be straightforward if you are replacing an existing shower, as the electricity cables and water supply pipe will already be in place. However, if you are installing a shower in a brand new bathroom or relocating your shower, this will require some extra steps.
It is also important to note that electric showers require a separate fused electrical supply and a ceiling double-mounted pole switch for safety. This is the long cord typically found in bathrooms near the shower, which allows you to quickly turn the supply to the shower on and off as needed.
By following these steps to turn off the electricity and water supplies, you can safely begin the process of plumbing your Triton electric shower.
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$240.86

Remove the old shower unit
To remove an old electric shower unit, you must first ensure your safety. As you will be working with electricity and water, it is crucial that you turn off the fuse for the electric shower to avoid any risk of electrocution. You should also isolate the water supply to the shower by turning the isolation valve, which is usually found on the pipework leading to the shower and may be tucked away under the bath or behind bathroom tiles.
Once you have made sure that the electricity and water supply are off, you can start removing the shower unit. If you are simply replacing the shower unit and not the wall tiles, you will need to be careful not to damage the surrounding area. Cut 5-6 inches of the drywall surrounding the unit with a reciprocating saw, being careful not to cut too deep and damage the studs. Then, knock out the drywall to reveal the nail or screw attachments. You should also look behind the shower walls to identify any plumbing, gas, or electrical lines to avoid accidentally damaging them.
Next, you will need to remove the door frames, shower head, and drain pan. If your shower has tiles, you will need to remove them as well. You can do this by sawing horizontally down the middle row of tiles and then prying the bottom half of the wall free from the studs. Repeat this process for the top half of the wall and the remaining walls.
Finally, cut through the corners of the walls vertically, starting at the top and working your way down until you are about three inches from the floor. Be careful not to damage the floor or any surrounding fixtures. Once you have cut through the walls, you can carefully remove the old shower unit and dispose of the debris. Remember that removing a shower can generate a lot of waste, so it is recommended to cut larger pieces into more manageable sizes to make disposal easier.
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Connect electrics and plumbing
It is important to note that you must have a Part-P Certification to fit an electric shower, whether as a plumber, electrician, or registered competent person. Electric showers require handling electricity with water, so this installation process necessitates specific knowledge.
Before connecting the electrics and plumbing, ensure that the fuse for the electric shower is off to avoid electrocution when working with the cables. Isolate the water supply to the shower by turning the isolation valve, which is usually found on the pipework leading to the shower and may be tucked away under the bath or behind bathroom tiles.
The electrics need to be connected to a separate fused electrical supply. Install a ceiling double-mounted pole switch for safety, allowing quick on/off control of the shower's electrical supply. Ensure you use the correct size fuse/MCB for the kW rating of the unit, complying with I.E.E. regulations. For instance, a 7kW shower requires a 30/32amp MCB, while an 8.5kW shower needs a 40amp MCB.
For plumbing, a mains plumbing supply is required, preferably with a 15mm pipe diameter for the best fit. The Triton T90xr pumped electric shower and their range of mains-fed electric showers require a 15mm compression fitting. On the other hand, the T80si pumped shower features a 15mm push-fit inlet connection.
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Frequently asked questions
You must have a Part-P Certification, whether this is as a plumber, electrician, or registered as a competent person through the Part-P verification system. This is because you are handling electricity with water, so this installation process requires specific knowledge.
You will need a mains plumbing supply, and it should ideally have a 15mm pipe (diameter) for the best fit. You will also need a ceiling double-mounted pole switch for safety (the long cord in your bathroom near the shower). Other tools include a drill, screwdriver set, pencil, wire snips, and pipe fixings.
It is important to switch off the electrics and water supply before starting any work. You will also need to ensure that the fuse for the electric shower is off to avoid electrocution when handling cables.









































