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Latest Product Reviews
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Resolved my Hydropool Serenity 5000 Circulation Pump Issue
Thursday, 14 January 2021  |  Nathan

My hot tub (Balboa topside) was throwing a Heater Dry Flow Error and after excellent advice from the Hot Tub DIY team determined that the issue was being caused by no circulation to the heater. Having tried various other tips online to release air locks (which didn't work) it was clear that the low speed capacitor needed to be replaced - not the entire pump. Accessing the capacitor was tricky due to the sealed cover being so close to the underside of the hot tub, but after some time I was able to gain access and then the swapover was very easy. My Hot tub is back up and running and the team here saved me having to call someone out which is almost impossible during lockdown. Perfect. Quality component with fast delivery. Great job.


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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


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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!


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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.


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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 part and accessorie specialists, our online shop has thousands of genuine parts to choose from with super fast uk delivery and hundreds of accessories for the daily running of your spa like chemicals, filters and frgrances at incredibly competitive prices.

Getting the right parts 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.

Huge Range of Hot Tub and Spa Spare Parts and Accessories.

Owning a hot tub is amazing - we get it. The feeling of relaxation those powerful jets and the sparkling water provide is priceless. So we understand that keeping your hot tub running smoothly and getting the right products to enhance your hot tub experience is really important.

HotTubDIY stocks a huge range of quality parts, spares and accessories from trusted brand leaders to minimise the time you spend searching and maximise the time you spend relaxing in your hot tub.

Getting the right part

But sometimes, knowing exactly what you need is half the problem, right? We understand it can be a minefield of information. That’s why HotTubDIY provides a range of information and guidance to ensure you make the right choice, saving you money and time.

You’ll find loads of useful information in our blogs, how-to guides and instructions to help you find the product or the advice you need, quickly.  Plus, on every page you’ll find some FAQs which may also give you the information you need.

And failing that, HotTubDIY has over x years of experience installing and repairing hot tubs so if you are really stuck, get in touch and we’ll give you the advice you need.

What Our Customers Say

"The website is very clear and made the order process easy. Delivery was amazingly fast & pump arrived before the scheduled date."

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

"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"

Recent Blog Posts
Friday, 15 October 2021  |  Jon Pennington
Why the winter is the best time to enjoy your hot tub

Winter is the best time to enjoy your hot tub!

With the onset of winter fast approaching, the long days and the balmy evenings of summer seem  long gone. Social gatherings in the garden, conversations around the fire pit that last long into the night or quite moments reading with a glass of your favourite tipple are mere distant memories.

And your beloved hot tub. Enjoying the warm bubbly water of your hot tub, letting those powerful jets work their magic, seems like such a summer activity, lost until next spring.

You couldn’t be more wrong.

Friday, 1 October 2021  |  Jon Pennington
What is your hot tub filter and why is it so important?

You love your sparkly clean water in your hot tub, right? And have a regular routine for maintaining the chemical composition of your water, right? But have you thought much about your hot tub filter lately?

Tuesday, 28 September 2021  |  Jon Pennington
How to shock your hot tub

How to shock your spa or hot tub to bring back that sparkle.

As a proud owner of a hot tub or spa, you’ll know the luxurious feeling of slipping into the clean, sparkling water, firing up those powerful jets and letting all your troubles melt away. You’ll know about the importance about keeping the chemistry of your hot tub finely tuned and balanced so you can enjoy a safe, clean, healthy and relaxing spa whenever you need it. But do you know about shocking or oxidising, your spa? It’s a term you may have heard so whether you are a new hot tub owner or you are struggling to maintain the quality of your water, read on for some ‘shocking’ advice. Geddit?