No hot water!

RGP21492 • December 23, 2022

Top reason why your hot water is gone.

It really difficult to run a household with no hot water. Trust me as a Wexford plumber I know this is something that a household wants fixed as soon as possible.

A likely cause for having no hot water in Wexford is the immersion needs to be replaced.

A home hot water immersion is a type of water heater that is used to heat the hot water in a home. It is a small, cylindrical tank that is typically located in a cupboard or utility room, and it is connected to the hot water supply of the house. The immersion heater works by using an electric element to heat the water inside the tank, which is then circulated throughout the house to provide hot water for showers, baths, and other uses.

How does it work?

The hot water immersion heater consists of an electric element, a thermostat, and a tank. The electric element is located at the bottom of the tank, and it is responsible for heating the water. The thermostat is located near the top of the tank, and it is used to control the temperature of the water.

When the hot water immersion heater is turned on, the electric element begins to heat the water in the tank. As the water heats up, it expands and rises to the top of the tank, where it is drawn off by the hot water system of the house. As the hot water is used, it is replaced by cold water from the main supply, which is then heated by the electric element.

The thermostat on the hot water immersion heater is used to control the temperature of the water. It is set to a specific temperature, usually between 50 and 60 degrees Celsius, and it will turn the electric element on and off as needed to maintain this temperature. If the water in the tank falls below the set temperature, the thermostat will turn the electric element on to heat it back up. If the water in the tank exceeds the set temperature, the thermostat will turn the electric element off to prevent the water from overheating.

How to replace it

If the hot water immersion heater in your home is not functioning properly, or if it has reached the end of its lifespan, it may be necessary to replace it. Here is a step-by-step guide to replacing a home hot water immersion heater:

  1. Turn off the power supply: Before you begin working on the hot water immersion heater, it is important to turn off the power supply to the unit. This can typically be done by switching off the circuit breaker or unplugging the unit. I really recommend that you get a qualified Wexford plumber to carry out this work.
  2. Drain the tank: The next step is to drain the tank of the hot water immersion heater. This can typically be done by attaching a hose to the drain valve at the bottom of the tank and running the hose to a drain or outside. Once the tank is empty, you can remove the hose and close the drain valve.
  3. Disconnect the electric element: The electric element is typically located at the bottom of the tank, and it is connected to the power supply by a cable. To remove the electric element, you will need to disconnect the cable from the power supply and loosen the bolts that hold the element in place. Once the bolts are loosened, you should be able to lift the element out of the tank.
  4. Remove the old immersion heater: Once the electric element has been removed, you can lift the old immersion heater out of the tank. If the heater is difficult to remove, you may need to use a screwdriver to pry it loose.
  5. Install the new immersion heater: To install the new immersion heater, you will need to place it in the tank and secure it in place with the bolts that you removed earlier. Once the heater is securely in place, you can reattach the electric element and connect the power supply cable.
  6. Fill the tank and turn on the power: Once the new immersion heater is installed, you will need to refill the tank


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A thermostatic radiator valve (TRV) is a device that is installed on individual radiators in a home in order to control the flow of hot water or steam through the radiator. TRVs are commonly used in homes in Wexford, Ireland, as they provide an energy-efficient and convenient way to control the temperature of each room in the home. TRVs work by using a thermostat to sense the temperature of the air in the room and adjust the flow of hot water or steam through the radiator accordingly. When the room temperature falls below the set point, the TRV opens to allow more hot water or steam to flow through the radiator, which increases the heat output. When the room temperature reaches the set point, the TRV closes to reduce the flow of hot water or steam, which reduces the heat output. There are several benefits to having TRVs in your home in Wexford. One of the main benefits is the energy savings that can be achieved. TRVs allow you to set the temperature in each room individually, which means that you can turn down the heat in rooms that are not being used or that are naturally warmer. This can result in significant energy savings, as you are only heating the rooms that are being occupied. In addition to energy savings, TRVs also offer convenience and comfort. With TRVs, you can easily adjust the temperature in each room to your preference, which can improve the overall comfort of your home. TRVs also allow you to set different temperatures in different rooms, which can be especially useful in homes with multiple occupants who may have different temperature preferences. Despite their many benefits, TRVs can sometimes leak. Leaks can occur in the valve itself or in the seals or gaskets that are used to seal the various components of the valve. Leaks can also occur in the pipes or fittings that carry the hot water or steam to the radiator. If you suspect that your TRV is leaking, it is important to address the issue as soon as possible. Leaks can lead to reduced efficiency and increased energy costs, and they can also cause damage to your home if water is allowed to escape. A Wexford plumber can replace a leaking TRV in your home. To replace a leaking TRV, the plumber will first need to locate the source of the leak and determine whether the valve itself or the surrounding pipes or fittings are causing the problem. Once the source of the leak has been identified, the plumber will then remove the old TRV and install a new one in its place. This may involve cutting and re-soldering pipes or replacing fittings, depending on the extent of the damage. It is important to choose a reputable and experienced Wexford plumber to replace your leaking TRV. A skilled plumber will have the knowledge and expertise to correctly diagnose the problem and make the necessary repairs, ensuring that your TRV is working properly and efficiently. To recap, a thermostatic radiator valve (TRV) is a device that is used to control the flow of hot water or steam through a radiator in order to regulate the temperature of a room. TRVs offer numerous benefits, including energy savings, convenience, and comfort. However, like any mechanical device, TRVs can sometimes leak. If you suspect that your TRV is leaking, it is important to address the issue as soon as possible in order to prevent further damage and waste. A Wexford plumber can replace a leaking TRV, ensuring that your home's heating system is working properly and efficiently.
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