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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.

'10 Hot Tub Tips' every hot tub owner needs to read

Why not take a minute out and read: 10 Hot Tub Tips every owner needs, Read these tips they may save you money and keep your tub running smoothly.  

Featured Products
E10 Laing Pump 3/4'' Barb - Fixed Speed

E10 Laing Pump 3/4" Barb - Fixed Speed£199.00


3/4" Barb Connections.

ITT Marlow J250 1 speed Pump Replacement

ITT Marlow J250 1 speed Pump Replacement£305.00

DH1.0 Whirlpool Pump

DH1.0 Whirlpool Pump£105.00

Balboa 24'' M7 Sensor

Balboa 24" M7 Sensor£27.50

AquaSparkle Spa Fusion Sachets

AquaSparkle Spa Fusion Sachets£2.33  -  £60.21

3kw Heating Element Titanium Coated

3kw Heating Element Titanium Coated£53.00

AquaSparkle Chlorine Granules

AquaSparkle Chlorine Granules£10.43

C4950 Filter

C4950 Filter£23.82

EMG Motor 2HP 2 Speed 48F

EMG Motor 2HP 2 Speed 48F£220.00

Balboa Heater Seals 2'' Pair

Balboa Heater Seals 2" Pair£3.44

STD Heating Element 3KW

STD Heating Element 3KW£35.40

Small Tablet Dispenser

Small Tablet Dispenser£5.46


Best for Chlorine Tablets

Latest Product Reviews
HA440 Hydro Air Magnaflow 2 speed pump Replacement
Monday, 17 July 2017  |  Graham

I found HotTub DIY very helpful and very knowledgeable with the information I needed.
The delivery was expedited very quickly and would highly recommend HotTub DIY.

Pump purchase
Monday, 17 July 2017  |  Shaun

Excellent service, next day delivery was spot on and even received advice from Jon concerning another problem with my tub. Very welcome for a hot tub newbie like me, will be back to make other purchases in the near future.

Very good service
Wednesday, 12 July 2017  |  James

We have 7 hot tubs on site. This device helps ensure that all are treated as required on a daily basis

Does the job
Wednesday, 12 July 2017  |  James

The tablets do what i need them to

Latest Products
Hot Tub Cover Clips

Hot Tub Cover Clips£18.32

O-Care Spa Water Care

O-Care Spa Water Care£81.58

Weekly Spa Care

Wooden Hot Tub Bundle - 6 Jets and 2 Spd Pump

Wooden Hot Tub Bundle - 6 Jets and 2 Spd Pump£1,218.48

Air Bubble Diagram

Air Bubble Diagram£48.71

Wooden Heater Diagram 1

Wooden Heater Diagram 1£48.71

Hot Tub DIY

Hot Tub Help? Call Now 08455 197 497Call Mon - Fri 10am - 4pm calls cost a local rate *** Welcome to Hot Tub DIY the No1 place to buy hot tub parts in the UK, Please send an email if you have any technical enquires. ***