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Latest Product Reviews
Rating:  
Pump shaft seal kit
Monday, 19 August 2019  |  Chris

Delivered quickly.fitted today and leak now cured. Thanks


Rating:  
Great service, great spares, great price.
Monday, 12 August 2019  |  Andrew

Great service, great spares, great price.


Rating:  
Excellent service
Monday, 12 August 2019  |  Tony

Part delivered in a couple of days exactly as described very pleased, will definitely use again thanks


Rating:  
Just the job.
Monday, 12 August 2019  |  John

I believed that finding the correct wet end for my tub with its Aussie-origin Davey pump would be difficult, if not well-nigh impossible. However, Hot Tub Diy came up trumps with this substitute - an exact match for the Davey pump. I couldn't believe my good fortune! And a great price too.


Rating:  
spare part pump parts
Thursday, 8 August 2019  |  Gregory

fast service and the correct parts in stock and sensible prices


Rating:  
Wet end pump housing
Thursday, 1 August 2019  |  Paul

1 call very helpful said what i was after was givin part number bought it sent with in a few days 1st class service

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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 2KW GS100 M7 Heater

Balboa 2KW GS100 M7 Heater€120.98   €108.88  (2)

Fits GS100 box only

Spazazz RX Energy Therapy

Spazazz RX Energy Therapy€19.30

Aqua Flo Circ Master Pump

Aqua Flo Circ Master Pump€294.85   €265.37  (9)

CMHP = Offset Discharge

Large Pool Tablet Dispenser

Large Pool Tablet Dispenser€6.64

Pool Floating Bromine/ Chlorine

Tecmark Pressure Switch

Tecmark Pressure Switch€26.00   €23.40  (3)

3902 - 3903

14uF Pump Capacitor

14uF Pump Capacitor€6.86   €6.18  (3)

Pair Lay-Z-Spa Replacement Filter 2

Pair Lay-Z-Spa Replacement Filter 2€7.56

Volt FX-2 Spa Vac

Volt FX-2 Spa Vac€86.09

Cordless Spa Broom

Vian Chlorine Tablets 1kg

Vian Chlorine Tablets 1kg€16.57

Volt Vac Micro Filter Bags 3PK - Large

Volt Vac Micro Filter Bags 3PK - Large€14.46

P12X022MF

Volt Vac Microfilter Bag 5 pack

Volt Vac Microfilter Bag 5 pack€20.20

P30X022MF / PBW022MF

Gunite Air Injector Grey

Gunite Air Injector Grey€10.07   €9.07

Waterway 672-2007

Cluster Storm Directional SS/Grey Thread-In

Cluster Storm Directional SS/Grey Thread-In€10.67   €9.60

Cluster Storm Directional Thread-In

Cluster Storm Directional Thread-In€4.13   €3.71

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€6.46   €5.82

Fits all Cluster Storm Jets

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

Cluster Storm Jet Housing 3/4" SB x 3/8" RB Thread-in€7.37   €6.64

Fits all Cluster Storm Jets

Cluster Storm Rifled SS/Grey Thread-In

Cluster Storm Rifled SS/Grey Thread-In€10.67   €9.60

Cluster Storm Twin Roto SS/Grey Thread-In

Cluster Storm Twin Roto SS/Grey Thread-In€12.14   €10.93

Cluster Storm Twin Roto Thread-In

Cluster Storm Twin Roto Thread-In€5.65   €5.09

Mini Storm Directional 5 Scallop Grey Thread-In

Mini Storm Directional 5 Scallop Grey Thread-In€10.35   €9.32

Rating:  
Pump shaft seal kit
Monday, 19 August 2019  |  Chris

Delivered quickly.fitted today and leak now cured. Thanks


Rating:  
Great service, great spares, great price.
Monday, 12 August 2019  |  Andrew

Great service, great spares, great price.


Rating:  
Excellent service
Monday, 12 August 2019  |  Tony

Part delivered in a couple of days exactly as described very pleased, will definitely use again thanks


Rating:  
Just the job.
Monday, 12 August 2019  |  John

I believed that finding the correct wet end for my tub with its Aussie-origin Davey pump would be difficult, if not well-nigh impossible. However, Hot Tub Diy came up trumps with this substitute - an exact match for the Davey pump. I couldn't believe my good fortune! And a great price too.


Rating:  
spare part pump parts
Thursday, 8 August 2019  |  Gregory

fast service and the correct parts in stock and sensible prices


Rating:  
Wet end pump housing
Thursday, 1 August 2019  |  Paul

1 call very helpful said what i was after was givin part number bought it sent with in a few days 1st class service

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

Thursday, 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.

Monday, 29 February 2016  |  Jon Pennington
Hot Tub Electronic Controller[1]

Need help with Hot Tub Electronic Controllers then read this! Contains basic detail for hot tub touch panels.

Saturday, 27 February 2016  |  Jon Pennington
Hot Tub Jets

One of the essential parts of a hot tub are the jets. Basically, this is what differentiates a hot tub from a mere bath tub. Water gets channelled from a pump and goes into the tub through these jets. Jets are hydrotherapy for hot tub users as they get to enjoy a massage just by sitting in the water.

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