As we prepare to begin shipping from our new UK warehouse, UK stock will temporarily show as out of stock. Please continue to place your orders as normal – all available products are currently shipping from our European Distribution Centre.
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Frequently asked questions


We've collected the most frequently asked questions asked by customers. Choose from one of the categories below. 

If you can't find your answer below, please contact the team and we'll will assist you.
They are available Monday to Thursday 08.30 - 17.00, and Friday 08.30 - 16.30.

Orders & deliveries

Payment

Returns & warranty

Watch the video below to see how to place your order on our webshop.

No, due to our automated warehouse we are unable to amend orders once the order has been placed through the website.
  • Parcel – from 3 working days
  • Pallets and odd-sized items too large for pallets, crates or bundles – expected within 8-9 days from dispatch.
Crates are dispatched every first and third Friday in the month - only available to order in unmixed full crate volumes.

You will find our contact details here.

If you place your order online before 12.00pm, we will process and dispatch your order the same day. We do not currently offer a 24 hour delivery service.

If you pay by credit card or Paypal, you will pay at time of order. If you pay on invoice we expect you to pay within 30 days of the date on the invoice unless we have agreed otherwise. The terms and conditions that apply to our sales are available here.
Adyen is our partner who takes care of online payments for us. This company makes sure that your payment is processed safely and securely online.
Once your order has been dispatched, you will receive your invoice by email.
You can return your order on these  terms and conditions. To request to return an item, please fill in our returns form. We will then contact you with any charges that apply. 
Please note: 
  • The item you wish to return must not have been used 
  • Always attach a return slip (RMA) to the item 
  • The Carrier service will be arranged by Bosta UK 
  • You agree to any charges - returns due to customer error are subject to a 20% restocking charge, plus transit costs to our warehouse in Holland and customs administration fees, a minimum of £50. This will be confirmed by email prior to collection.
If you return an item within 3 months, we will return your money, subject to charges including collection, carriage and custom fees. Please see our Terms & Conditions.
The warranty does not cover normal wear and tear or incorrect use. If you wish to make a claim against the warranty, we will examine the item to see whether the fault is a manufacturing fault or a user fault. Please note, unnecessary call outs, e.g. for a user fault, may incur a charge of £100 plus VAT.  To request a warranty, please fill in our warranty form.
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Webshop

Swimming Pool

It is easy to create an account on our webshop. Complete the form and you will immediately have an account. 
Please note, we only sell to businesses.
You need an account to purchase items from our webshop. You can see your prices, track your order and view your past orders.

Log in or register for an account, then find and select the items required.

Go through to the shopping basket and complete the order, here you are able to amend the address, complete any additional information before completing the order.

Complete the order, by ticking the terms and conditions, and your order is placed.

It is important to size a heat pump correctly to suit your pool and your swimming requirements.

The first step is to calculate your pool volume in m3. We also recommend factoring in an additional 10% to give you some leeway and ensure sizing is correct.

e.g. Length x Width x Average Depth = X +10%

Example: 10m x 5m x 1.5m = 75m3 + 10% = 84m3

Now you know your pool volume we can look at selecting the correct size pump.

Each range of heat pumps has a specification table and it is the ”Pool Volume m3” that is most important as shown in the table below:

Heat-pump-table

You will see that the pool volume m3 listed above has 2 figures provided. Lets take the P26X for example which states 75-130 m3

The lowest figure given (75m3) is giving us the maximum pool size this unit can heat for “all season”.

The highest figure given (130m3) is giving us the maximum pool size this unit can heat in IDEAL summer conditions (27 degrees air temp / 27 degrees water temp)

We do not use the highest figure as the duration of time during the year when we get these conditions is minimal. So we look at the halfway point between the lowest & highest figures which gives us the maximum pool volume for a standard summer season (April – Sept)

Lets use the example of the 84m3 pool we have shown above.

For an “All Season” heat pump the P26X model in the table is not big enough. The max pool volume for “all season” is only 75m3 so we will need to go for a larger unit.

For a summer season model (Apr – Sept) the P26X has a halfway point of 102.5m3. So this unit has the capacity you require.


That depends on the size of the pool and the ambient temperature of the air outside. An initial heating period usually takes 3 to 4 days. After that, the heat pump only needs to work a few hours per day to keep the water at the right temperature.
A heat pump is not designed to heat pool water quickly. The pump is mainly intended for keeping the water at the right temperature. It will usually take 3 to 4 days to reach the temperature you want.

Can't find what you're looking for?


Contact the team

Monday - Thursday 08.30 - 17.00
Friday - 08.30 - 16.30

✉ enquiries@bosta.co.uk
☎ +44 (0)1284 716580

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Irrigation

Pumps

PVC & PE pipe

Watch our video to see how to measure water pressure and flow rate, plus hear other tips from our experts about installing a garden irrigation system. 


How to measure the flow rate: 

  • Volume of water collected = 10 litres 
      Time taken to collect = 10 seconds 
      Flow rate  = 10/10 = 1 litre per measure = 3.6m3/h 
  • SI Unit - m3/s 
  • Conversion factor (to m3/h) 
  • 1 litre per second = 3.6m3/h 
  • 1 litre per minute = 0.06m3/h 
  • 1 GPM = 0.22m3/h

 


Watch the videos below to learn about how to install a dripline and sprinkler garden irrigation system:
It is best to install 2 sprinklers on the corners of a lawn than 1 in the centre as this improves the distribution of the water.
  • Use glue specifically for pressure PVC.
  • Use sufficient Teflon tape on the thread seals. Wind the tape around the fittings clockwise. 
  • It is preferable to use plastic couplings for plastic (not steel or brass couplings). 
  • Place the pump as close to the water source as possible. 
  • It is good practise to use a pre-filter and, depending on the application, a filter at discharge 
  • The suction pipe should be air-tight. If there is a leak anywhere, the pump will take in air causing the water to drop. 
  • A pump can be damaged by frost, even if it is light frost, so please store the pump indoors or make sure the pump cannot freeze up after every sprinkling season.
With the anti-leak check valve (right next to the pump):
  • Fill the pump casing with water via the plug at the top of the pump.
  • Make sure that the pump can discharge water through the discharge. 
  • Briefly switch on the pump, but make sure you do not leave it to operate too long without water. Repeat the steps above until you get water. 
  • It is preferable to repeat these steps a few times rather than to allow the pump to operate without water for any length of time. 
  • If you aren’t getting any water, there is probably a leak in the inlet. 
  • Check all the joins or re-connect them and repeat the steps above. 
  • If you are getting water, make sure the taps are open so the pump does not overheat.
 If you have fitted an anti-leak check valve at the bottom (in the inlet): 
  •  Fill the pump casing with water (in that case, you fill the whole suction pipe immediately). 
  • Make sure that the pump can discharge water through the outlet 
  • Switch on the pump. 
  • Are you getting any water? If you are getting water, make sure the taps are open so the pump does not overheat.
If the pump has been installed correctly, you should get water almost immediately after switching on the pump. If not, there is probably a leak in the inlet.
That depends on the thickness of the pipe. You can check the pressure loss that is to be expected in the resistance graph found here.
If the temperature rises, the maximum permissible pressure will drop. The structural strength specified in our catalogue applies to an ambient temperature between 0 and 20 ̊C.
PVC-temperature-table [Pressure temperature chart PVC-U
 Maximum operating pressure 
 Temperature]
The coloured lines indicate to the application or the quality mark.
Drinking water pipes:
  • Black with blue stripes - KIWA mark 
  • All blue - Potable water

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We're here to help!


No matter your query, or whether your project is big or small,
Bosta's team are on hand to assist you.


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