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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
LP300 LX Pump

LP300 LX Pump£208.78   £187.90

AquaSparkle Spa Fusion Sachets

AquaSparkle Spa Fusion Sachets£2.30  -  £59.61

HA440 Hydro Air Magnaflow 2 speed pump Replacement

HA440 Hydro Air Magnaflow 2 speed pump Replacement£328.90   £296.01

14uF Pump Capacitor

14uF Pump Capacitor£17.47   £15.72

STD Heating Element 3KW

STD Heating Element 3KW£38.94   £35.05

Heater for wooden hot tubs bundle

Heater for wooden hot tubs bundle£504.17   £453.75


Bundle of parts

Gecko SSPA 2 Control Box

Gecko SSPA 2 Control Box£730.99   £657.89

Dual Pump System And Air Blower

AquaSparkle Chlorine Starter Pack

AquaSparkle Chlorine Starter Pack£42.32   £38.09

Balboa Heater Seals 2'' Pair

Balboa Heater Seals 2" Pair£3.78   £3.40

ITT Marlow J250 1 speed Pump Replacement

ITT Marlow J250 1 speed Pump Replacement£345.40   £310.86

1.5'' Flexible Pipe

1.5" Flexible Pipe£6.62   £5.96

EMG Motor 2HP 2 Speed 48F

EMG Motor 2HP 2 Speed 48F£231.98   £208.78

Latest Product Reviews
Hot tub pump
Wednesday, 8 February 2017  |  Chris

Excellent service ,straight forward to fit just required adjustment to fixing plate as different to original pump ,would definately use again

new pcb & control
Wednesday, 8 February 2017  |  Julian

thank you, hot tub up and running. will use hottub diy for all my parts in the future. many thanks julian

Excellent buy
Tuesday, 7 February 2017  |  Simon

Quickly delivered and great customer service

Defused spares
Monday, 6 February 2017  |  Christopher

Fast delivery great product . Will purchase again.

Latest Products
Hot Tub Cover Clips

Hot Tub Cover Clips£20.15   £18.14

O-Care Spa Water Care

O-Care Spa Water Care£89.74   £80.77

Weekly Spa Care

Wooden Hot Tub Bundle - 6 Jets and 1 Spd Boost Pump

Wooden Hot Tub Bundle - 6 Jets and 1 Spd Boost Pump£515.51   £463.96

Wooden Hot Tub Bundle - 6 Jets and 2 Spd Pump

Wooden Hot Tub Bundle - 6 Jets and 2 Spd Pump£1,340.33   £1,206.30

Air Bubble Diagram

Air Bubble Diagram£53.58   £48.22

Wooden Heater Diagram 1

Wooden Heater Diagram 1£53.58   £48.22

Hot Tub DIY

Hot Tub Help? Call Now 08455 197 497Call Mon - Fri 10am - 4pm calls cost a local rate *** Sale On 10% Discount On Everything Across The Store and free technical advise via telephone or email and free delivery on purchases over 50 where possible ***