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Latest Product Reviews
Rating:  
Water Pre Filter
Sunday, 29 November 2020  |  Philip

Very pleased does what it says,
Can anyone tell me how often we should change the filter


Rating:  
Fantastic service
Friday, 20 November 2020  |  Andy

Website is very clear and made the order process easy. Delivery was amazingly fast & pump arrived before scheduled date. A subsequent technical query was answered within 2 hours. Great service...thank you!


Rating:  
Balboa heating element
Thursday, 19 November 2020  |  Stephen

Great price and really quick delivery, excellent website with loads of information and really easy to use. Fantastic thank you.


Rating:  
Great service but poor product
Tuesday, 10 November 2020  |  Matthew

A great service and fast delivery but I assumed that the product was an OEM one. It only lasted 14 months and died. Just bought an original one. 90 but will last a lot longer.


Rating:  
Perfect replacement
Friday, 6 November 2020  |  Aaron

Phoned Jon at Hot tub DIY as my blower had broken and has been discontinued as it is an old one, Jon advised this as a replacement and I received it next day. Absolutely perfect and so simple to fit. Great company

Hot Tub Parts, Spa Spares and Accessories

Welcome to 'Hot Tub DIY' we are hot tub pump and spare parts specialists, we have hundreds of pumps to choose from with free next day delivery and literally thousands of hot tub parts at very competitive prices and offer free technical advice to help you to get the right part easily. There are many ways to find what you want on our site, type anything into the search box on the navigation to do with spares;  and it will give you a list, type a general word (for example pump) and choose from the drop down fields in the left column. Also why not try out our new feature product comparison, the ' Pumps' and 'Filters categories have had a make over try our new compare option where you can compare up to 4 items at a time next to each other.

We also have a range of accessories including filters, fragrances chemicals and even toys!

Some of our other features consist of combination discounts on everything from bulk buying hot tub filters to combination sales on covers and cover lifters. If at any point you need more detail on any spa or hot tub related issues please contact us via or contact page.

Aqua Flo Circ Master Pump CP
£320.00
  (1)

CMCP = Centre Discharge

Insta Test Strips 4 Way
£9.54

Chlorine/ Bromine, Alkalinity, pH and Hardness

PLBS75 Filter
£45.99

Darlly - 50651

Volt Vac Micro Filter Bags 3PK - Large
£14.04

P12X022MF

Life Tray Table
£31.00

Adjustable Legs

Heater for wooden hot tubs bundle
£450.00
  (2)

Bundle of parts

Volt FX-4 Li Spa Vac
£207.20

Cordless Spa Vacuum

AquaSparkle 4-way Test Strips
£8.80

Chlorine, Bromine, Alkalinity, pH

NEW
7.5cm Hot Tub Pump Union O-Ring
£1.20

Fits 2.5" Plumbing

£62.30

9920-400262

Balboa BP6013G2 Control Box
£695.00

WIFI Ready - 56826

Balboa BP6013G3 Control Box
£745.00

WIFI Ready - 59259

Waterway 2'' 45 Union
£7.26
Heater for wooden hot tubs bundle 2kw
£450.00

Bundle of parts

AquaSparkle Bromine Starter Pack
£37.50
Life Deluxe Spa Leaf Skimmer
£20.90

Includes Telescopic Pole

Life EasyVac
£48.00

Spa Vacuum

AquaSparkle O2 Gentle Granules
£21.50

1kg

AquaSparkle O2 Gentle Liquid
£13.40

500ml

AquaSparkle O2 Gentle Spa Starter Kit
£45.50

Active Oxygen Kit

Rating:  
Water Pre Filter
Sunday, 29 November 2020  |  Philip

Very pleased does what it says,
Can anyone tell me how often we should change the filter


Rating:  
Fantastic service
Friday, 20 November 2020  |  Andy

Website is very clear and made the order process easy. Delivery was amazingly fast & pump arrived before scheduled date. A subsequent technical query was answered within 2 hours. Great service...thank you!


Rating:  
Balboa heating element
Thursday, 19 November 2020  |  Stephen

Great price and really quick delivery, excellent website with loads of information and really easy to use. Fantastic thank you.


Rating:  
Great service but poor product
Tuesday, 10 November 2020  |  Matthew

A great service and fast delivery but I assumed that the product was an OEM one. It only lasted 14 months and died. Just bought an original one. 90 but will last a lot longer.


Rating:  
Perfect replacement
Friday, 6 November 2020  |  Aaron

Phoned Jon at Hot tub DIY as my blower had broken and has been discontinued as it is an old one, Jon advised this as a replacement and I received it next day. Absolutely perfect and so simple to fit. Great company

Monday, 7 December 2020  |  Jon Pennington
Introducing Klarna

You can now buy 'Hot Tub Parts' with Klarna!

Buying hot tub parts has never been easier - Simply click on Klarna in the checkout and choose from the great payment options they provide, including buy now and pay in 30 days and 3 instalment payments, click here to read more.

Thursday, 12 March 2020  |  Jon Pennington
How to make a hot tub part 2 - Design Plumbing & Filtration

Part 2 includes detail on hot tub filtration systems, designing quantities of jets for a seat or lounger, types of jets, suctions for pumps and basic plumbing relating to water and air jets. Layout of jets in relation to massaging the body and extra features like music and water falls.

Bonus content includes how many air jets fit what amperage of air blower, types of jets for different wall thicknesses and water displacement.

Wednesday, 11 March 2020  |  Jon Pennington
How to make a hot tub part 1 - Materials Location and Cost

It's possible to build a hot tub or spa out of pretty much anything, the following article will help you with things to consider before you start and materials possibilities, and includes detail on how to build a hot tub from wood, wood and tile, concrete, tile and plastic hot tub.

Bonus content includes location, cost and lots of little pointers.

Tuesday, 4 February 2020  |  Jon Pennington
Does a hot tub need an annual service?

Have you ever thought that hiring someone to service your hot tub is a con / over priced? Then we would agree (for the majority). In the industry its called a "splash and dash", and for that experience you can expect to pay £200 plus.

This article explains when you do need an engineer, and how and when to service your own hot tub.

Bonus content: "hot tub jets", why you shouldn't take them out during a service.

Tuesday, 4 February 2020  |  Jon Pennington
How To Upgrade a Chinese Hot Tub Control System

If your thinking of upgrading your Chinese hot tub to a better quality control system like the American make Balboa then this article is for you, it explains what you need to do and gives an engineers insight into how to get around larger systems and where as well as what to change in your hot tub.

Bonus Content: Changing to a new size control panel (Touch Pad)

Tuesday, 21 January 2020  |  Jon Pennington
How to build a hot tub

If you are considering building a hot tub or spa then the following article is for you. It includes some essential knowledge / engineer experience that could save you a lot of money on components and a lot of time when designing your project. Includes detail on materials used and how to get the correct jets, pumps and control systems.

Thursday, 9 January 2020  |  Jon Pennington
New Balboa Spa System with WiFi

Writting about the latest technology from Balboa is a joy, the following article is on the new Balboa BP spa systems and their matching TP panels. It outlines the simplisity and shows you what the new display looks like and includes detail on the WiFi features that enable you to connect to the new BWA IOS and Android App.

Monday, 16 December 2019  |  Jon Pennington
Do You Need a New Hot Tub Pump or Repair Old One

If your hot tub pump is faulty and you need help to work out if its just a part or a new complete pump then please read this article to help you get that answer. Repairing hot tub pumps is  not difficult and can save you a lot of money in call out and labour.

This article includes parts, tips and help to get your hot tub back up and running quickly.

Wednesday, 13 November 2019  |  Jon Pennington
Upgrade Your Arctic Spa Jets

Arctic Spa Jet Upgrade to Stainless Steel

Lots of people would like shiny stainless steel jets in there hot tubs but can't always afford them, however we have managed to find a great replacement for Arctic Spa owners which lets them upgrade there hot tub jets to SS (Chrome), Click here to read more.

Thursday, 24 October 2019  |  Jon Pennington
Fixing Hot Tubs in Cornwall

Hot Tub Repair in Cornwall

Did you know we also fix hot tubs in Cornwall? If you have a hot tub, spa or swim spa we might be able to help you when it comes to your next service, measuring for a new hot tub cover or repairing your spa when it has a leak or electrical fault.