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Latest Product Reviews
Rating:  
Heater
Wednesday, 16 October 2019  |  Paul

Top product


Rating:  
G120 1200 Watts Air blower
Saturday, 12 October 2019  |  Charlie

very good service, keep it up.

😊


Rating:  
Good product, good price, good service
Wednesday, 2 October 2019  |  Thomas

After buying suspicious chems from ebay, have been consistently using Hot Tub diy and always happy with the service and excellent advice. Highly recommended.


Rating:  
wet end
Monday, 30 September 2019  |  Peter

Part & delivery ok


Rating:  
Great service and advice
Wednesday, 18 September 2019  |  Steve

My tub nearly 20 yrs old re circ pump went phoned up for a chat on moving the pump on the front of the motor, which turned out really easy to do great advice great price for an orginal replacement part thanks for your help


Rating:  
Scale Away
Tuesday, 17 September 2019  |  Stewart

good quality product

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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.

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Balboa 3KW M7 Heater - GS/GL

Balboa 3KW M7 Heater - GS/GL£130.00   £130.45  (20)

Fits Plastic Box

AquaSafe Pre Filter

AquaSafe Pre Filter£24.95   £23.88  (2)

Life Super Spa-Vac Set

Life Super Spa-Vac Set£21.95

Includes pole & hose

Pair Lay-Z-Spa Replacement Filter

Pair Lay-Z-Spa Replacement Filter£7.92   £5.59

Small Tablet Dispenser

Small Tablet Dispenser£3.90   £3.60  (5)

Best for Chlorine Tablets

Large Pool Tablet Dispenser

Large Pool Tablet Dispenser£5.90

Pool Floating Bromine/ Chlorine

Pair Lay-Z-Spa Replacement Filter 2

Pair Lay-Z-Spa Replacement Filter 2£6.72   £4.76

Life Tray Table

Life Tray Table£20.95

Adjustable Legs

NEW
Genesis Air Blower G70 - 700W Heated

Genesis Air Blower G70 - 700W Heated£219.00   £197.10

G70-2HN-S

NEW
2KW Bow Tie Style Element

2KW Bow Tie Style Element£67.00

30cm long

NEW
3.6KW 7'' Titanium Element

3.6KW 7" Titanium Element£65.00

NEW
AquaChek 6-in-1 Test Strips

AquaChek 6-in-1 Test Strips£9.85

Total Hardness, Total Chlorine, Total Bromine, Chlorine, pH, and Total Alkalinity

NEW
Balboa ULTRAZONE Ozone Unit

Balboa ULTRAZONE Ozone Unit£95.00

OZBWG-240V

Vian Chlorine Tablets 1kg

Vian Chlorine Tablets 1kg£14.72   £14.92

Volt Vac Micro Filter Bags 3PK - Large

Volt Vac Micro Filter Bags 3PK - Large£12.85

P12X022MF

Volt Vac Microfilter Bag 5 pack

Volt Vac Microfilter Bag 5 pack£17.95

P30X022MF / PBW022MF

Gunite Air Injector Grey

Gunite Air Injector Grey£8.95   £8.06

Waterway 672-2007

Cluster Storm Directional SS/Grey Thread-In

Cluster Storm Directional SS/Grey Thread-In£9.48

Cluster Storm Directional Thread-In

Cluster Storm Directional Thread-In£3.67

Cluster Storm Jet Housing 3/4'' RB x 3/8'' RB Thread-In

Cluster Storm Jet Housing 3/4" RB x 3/8" RB Thread-In£5.74

Fits all Cluster Storm Jets

Rating:  
Heater
Wednesday, 16 October 2019  |  Paul

Top product


Rating:  
G120 1200 Watts Air blower
Saturday, 12 October 2019  |  Charlie

very good service, keep it up.

😊


Rating:  
Good product, good price, good service
Wednesday, 2 October 2019  |  Thomas

After buying suspicious chems from ebay, have been consistently using Hot Tub diy and always happy with the service and excellent advice. Highly recommended.


Rating:  
wet end
Monday, 30 September 2019  |  Peter

Part & delivery ok


Rating:  
Great service and advice
Wednesday, 18 September 2019  |  Steve

My tub nearly 20 yrs old re circ pump went phoned up for a chat on moving the pump on the front of the motor, which turned out really easy to do great advice great price for an orginal replacement part thanks for your help


Rating:  
Scale Away
Tuesday, 17 September 2019  |  Stewart

good quality product

Saturday, 28 September 2019  |  Jon Pennington
2019 News Letter

Here is the latest news from Hot Tub DIY regarding products, changes pricing and politics that may effect you if you have waterway jets, Balboa control systems or repairs that you need to fix. Its a copy of an email that was sent out to customers and may include useful hot tub information.

Friday, 27 September 2019  |  Jon Pennington
Ozone - All about the Ozone Units Article

Ozone - we use it in hot tubs every day, but what is it, how is it produced, and how do you test for it? All of this can be found in the following article as well as a link on the correct way to fit it and the latest versions of Ozone units.

Tuesday, 20 August 2019  |  Jon Pennington
Balboa Technical GL/GS Manual

If you have a Balboa GS or GL control system then you need this manual, its a complete guide on how to wire up, test and install a Balboa GS/GL hot tub control system from scratch. (Note it doesn't include plumbing). Balboa Systems have been around for years and they are the backbone of the hot tub industry, the manual contained on this page includes: and overview of its patented technology, checklists, troubleshooting, diagnosing scenarios, spa start up behavior, ML / VL and other panel information, heater removale, and many other details.

Thursday, 28 June 2018  |  Jon Pennington
Spaform Discontinued Circuit Board

If you own a Spaform and the Balboa circuit board has been discontinued, its now time to upgrade and change the technolgy from the old M3 which included a pressure switch to the new M7 technology. The following page will give you a breakdown of what and what it involves.

Wednesday, 14 March 2018  |  Jon Pennington
2018 Hot tub DIY News

Hot Tub DIY News March 2018 - In this news letter: DIY News (Whats New), Our Customer Service for 2018, A little on online security everyone should know,

1 CommentMonday, 18 September 2017  |  Jon Pennington
Spaform Spa Parts and Alternatives

The following article is for people that have or are thinking of buying a Spaform spa. As well as people how need parts for upgrades, it describes some of the alternatives to panels, control box's and pumps that can be used to keep your hot tub up and running.

Friday, 14 July 2017  |  Jon Pennington
Try Active Oxygen - Alternative to Chlorine and Bromine

If you are considering or need an alternative to the standard chlorine or bromine then this article is for you, it describes what Active Oxygen is and gives detail on how to use it. We think its a great alternative with a sensible price but you should take a read and consider it as an option for your hot tub.

2 CommentsThursday, 2 March 2017  |  Jon Pennington
Stop before you buy any hot tub parts

Stop and think about the part you need to buy before you buy it, read the following article before you buy hot tub parts online because it may just be the wrong part for repairing your hot tub. Not all hot tub parts are the same, they may look the same and how do you know that the correct part to fix your hot tub problem? Read More....

Friday, 10 February 2017  |  Jon Pennington
What Exactly is 1.5 Plumbing

This is a question we get all the time! The answer is easy everything that is 1.5" plumbing will fit together, so to make this easier to understand if you want to fit 1,5" to 2" hot tub plumbing you will need a reducer

1 CommentThursday, 2 February 2017  |  Jon Pennington
LX Hot Tub Parts

This article is all about LX, what they make how the company grew and a little of the history of hot tubs over the last 10 years. LX is an interesting story of which this article only touches the sides, please feel free to read.

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