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Latest Product Reviews
Rating:  
Best Chlorine
Monday, 11 November 2019  |  Mark

I find this chlorine the most suitable for my hot tub and this is the best price around for the product concerned


Rating:  
Great product
Monday, 11 November 2019  |  Mark

Filter was perfect replacement for my previous one and good value for money


Rating:  
New pump
Sunday, 10 November 2019  |  Paul

Good item and very good delivery


Rating:  
Hot springs Jetsetter replacement jet pump.
Friday, 1 November 2019  |  Steven

This pump was a near like for like replacement for my hot tube.
Fittings lined up with only the base of the pump needing packing up off the floor to clear the turbine housing.
Good advice given at time of order.


Rating:  
Clear water
Tuesday, 22 October 2019  |  Simon

Very impressed I live in a hard water area but this filter has given me crystal clear soft water.


Rating:  
Supply and replace part
Wednesday, 16 October 2019  |  Allan

Part ordered and replaced by this company
Service could not be any better one of the most helpful customer focused companies I have dealt with
No hesitation in dealing with them again

FREE STANDARD DELIVERY

on orders over £50 and over

FAST UK & FRANCE DELIVERY

order before 12am for next day

INTERNATIONAL DELIVERY OPTIONS

we despatch from the Uk and France

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SSl and Data Protected

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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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Large Pool Tablet Dispenser

Large Pool Tablet Dispenser€6.91

Pool Floating Bromine/ Chlorine

Small Tablet Dispenser

Small Tablet Dispenser€4.57  (5)

Best for Chlorine Tablets

Balboa 2KW GS100 M7 Heater

Balboa 2KW GS100 M7 Heater€125.94   €113.34  (2)

Fits GS100 box only

2HP Waterway Pump 2 speed 56F (2'' x2'')

2HP Waterway Pump 2 speed 56F (2" x2")€397.14   €357.42  (9)

1.5'' Flexible Pipe

1.5" Flexible Pipe€8.76   €7.88  (1)

EMG Motor 2HP 2 Speed 48F

EMG Motor 2HP 2 Speed 48F€260.07   €234.07  (3)

AquaSafe 90 Day Pack

AquaSafe 90 Day Pack€80.83  (7)

Balboa 24'' M7 Sensor

Balboa 24" M7 Sensor€29.87   €26.89  (2)

84'' Square Hot Tub Cover

84" Square Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

94'' Square Hot Tub Cover[1]

94" Square Hot Tub Cover[1]€486.17

5" to 3" taper (12.5cm to 7.5cm)

Arctic Spa 7ft Hot Tub Cover

Arctic Spa 7ft Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Arctic Spa 8ft Hot Tub Cover

Arctic Spa 8ft Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Arctic Spa Frontier Cover

Arctic Spa Frontier Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Spaform Barcelona Hot Tub Cover

Spaform Barcelona Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Spaform Grand Canyon Hot Tub Cover

Spaform Grand Canyon Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Spaform Milano Hot Tub Cover

Spaform Milano Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Spaform Oslo Hot Tub Cover

Spaform Oslo Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Spaform Platinum 32 Hot Tub Cover

Spaform Platinum 32 Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Spaform Platinum 50 Hot Tub Cover

Spaform Platinum 50 Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Spaform Platinum 55 Hot Tub Cover

Spaform Platinum 55 Hot Tub Cover€486.17

5" to 3" taper (12.5cm to 7.5cm)

Rating:  
Best Chlorine
Monday, 11 November 2019  |  Mark

I find this chlorine the most suitable for my hot tub and this is the best price around for the product concerned


Rating:  
Great product
Monday, 11 November 2019  |  Mark

Filter was perfect replacement for my previous one and good value for money


Rating:  
New pump
Sunday, 10 November 2019  |  Paul

Good item and very good delivery


Rating:  
Hot springs Jetsetter replacement jet pump.
Friday, 1 November 2019  |  Steven

This pump was a near like for like replacement for my hot tube.
Fittings lined up with only the base of the pump needing packing up off the floor to clear the turbine housing.
Good advice given at time of order.


Rating:  
Clear water
Tuesday, 22 October 2019  |  Simon

Very impressed I live in a hard water area but this filter has given me crystal clear soft water.


Rating:  
Supply and replace part
Wednesday, 16 October 2019  |  Allan

Part ordered and replaced by this company
Service could not be any better one of the most helpful customer focused companies I have dealt with
No hesitation in dealing with them again

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

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.

Wednesday, 23 October 2019  |  Jon Pennington
Do Hot Tubs Need Chemicals

Hot Tub Water: Why Does it Need “Chemical Treatment?”

In the case of a bath tub, you just fill it with water to the warmth you want, take your bath and then let the water drain out. Typically, you don’t bother to treat the water in any way. In the case of hot tubs, however, you have to take the trouble of treating the water with different chemicals. Why this difference?

A hot tub typically accommodates more than one person at a time. It is more a place to relax for longer periods rather than just take a quick bath. Often, it is used for therapeutic purposes, to get relief from aches and pains through a hot soak and a therapeutic massage provided by the jets built into the hot tub.

Saturday, 28 September 2019  |  Jon Pennington
2019 News Letter

Hot Tub DIY Winter Clearance and News Letter 2018

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

Need a new ozone unit?

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

Troubleshooting & Service for GL/GS Systems

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

What to do if your Spaform circuit board has been discontinued!

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

Spaform Spare parts and replacement 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

Looking for an alternative to Chlorine and Bromine? Look no further with Spa Active Oxygen made by Fi-Chlor

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.

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