Installing shower pump under bath

Search forums. Log in. Install the app. Welcome to PlumbersForums. Professional plumbers sharing advice with fellow plumbers and DIY alike. Register for free today! JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser. Shower pump under bath? Post new thread. Gas Engineer. Messages 5, I think if i remember correctly, the last time i heard, you were not allowed to install anything electrical under the bath.

Is this right or wrong? I know lots of people do install them under the bath. And, i cannot seem to find the answer on the net. Thanks for the help guys. I have seen it done,even if its abit noisy, you can fit jacuzzi pumps so i don't see why not. Our fully waterproof SPB pumps are totally safe and legal to fit in a bathroom. If you have 22mm plastic or copper pipes under the bath simply cut mm of pipe out and slip a pump on the hot, another on the cold. To complete the job all you need is our SP22S, and in a few minutes you are sorted.

If you do not want to install the pumps on a length of straight pipe there are lots of other options which you may want to consider. Traditional power shower Pumps Vs Shower Power Booster Traditional booster pumps have a high risk of cavitation which means they need to be close to the hot water cylinder and are likely to damage themselves under a bath.

Traditional shower pumps are volt and can be dangerous in close contact with water. Traditional power shower pumps are not waterproof. Once you have the information to these questions, you will know which shower pump is right for your needs. Now that you have your shower pump, it is time to get your toolkit and begin transforming your shower.

Before you begin, make sure that there is a minimum height of 10 inches or mm between the water level in the cold-water tank and the shower rose. Anything less and it may not be possible to get the 0.

Also , ensure that the cold-water header tank has a capacity of at least litres or 50 gallons to maintain supply to your shower pump and the hot water cylinder. This will make maintenance and cleaning easier in the future. Ensure that the pump will not be covered to prevent the motor from overheating and getting damaged.

Being placed in a low - temperature environment that has a frost risk will damage the shower pump, so make sure you choose a warm and dry place. Safety and following regulations are important; the shower pump must be at least 2 feet or mm away from the shower tray or basin. Examples of good places are lofts, airing cupboards, under baths, and above cylinders. Do not connect it to the supply for the hot water cylinder heater or anything else that needs a dedicated supply of energy. If you want to avoid a noisy shower pump , sit it on a 2 inch or 50mm thick concrete block or foundation.

Do not screw the shower pump into the floor. Also Read: What is a Thermostatic Shower. The size of the pipework should be around 22mm to reduce flow resistance regardless of whether there are 22mm or 15mm connections. Once the water runs clear, the shower pump will be primed and ready. Doing this stops air from getting trapped and preventing proper operation. Not ideal. The solution is a shower pump.

Typically small in size around 30cm on average , shower pumps boost the water pressure in your shower pipes by increasing the volume of water which is pumped into them. There are few different things you can do to measure your water pressure. One of the easiest ways is as follows:. That means that if it took 7. In most cases your choice will be between a positive shower pump and a negative shower pump. Which one is right for you will depend on what type of water system you have in your home.

Positive shower pumps are designed to be fed by gravity. This will ensure that you achieve the 0. If you are going to install a positive shower pump, you should also check your cold water tank.

It should have a capacity of at least litres 50 gallons capacity to maintain supply to the hot water cylinder and the shower pump. Less common are negative shower pumps. For both of these types of pumps, you will need an open-vented hot and cold water supply. An impeller is a rotor which is used to increase the pressure and flow of water through the pump.

You can buy shower pumps that are fitted with either single or twin impellers. A single impeller pump is normally used to pump the hot water side of a water supply, whilst the cold water side of the supply is fed by mains pressure. If the cold and hot water tanks are widely separated, then a single impeller pump will be required on each feed.