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Hot Tub Parts Distributors for over 20 Years - Open Weekdays 9am - 5pm
WhatsApp: 07388 699 893 Email: info@hydrospares.co.uk
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Help Centre
Help & Advice Centre
Help & Advice Centre

Our Help & Advice Centre removes the difficulty of finding and rectifying those hot tub problems with helpful advice and will lead you to the right hot tub part /spa spares to easily fix the problem yourself. You will find a range of problem-solving worksheets ready for you to print & keep.

Please note that we try to give general advice, this may not be specific to your spa or hot tub so please always check with the equipment manufacturer first.

IMPORTANT: Always remember, water and electricity do not mix and can be deadly! Any work you attempt yourself is AT YOUR OWN RISK. Please exercise caution. We cannot be held responsible for any injuries or damage that may arise from advice or installation of electrical components in your spa unit.


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Unions
Male Thread Pipe Union Series
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HomePlumbingFittingsGlued FittingsUnions

Unions

Male Thread Pipe Union Series
Male Thread Pipe Union Series
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Extended 1 Year Warranty

In addition to the manufacturers standard warranty (usually 1 year) we also offer the opportunity for you to extend this warranty by a further 1 year for a one off fee. This can be arranged at the point of purchase or within a limited time afterwards.
An extended warranty is an easy way to protect your purchase, against any manufacturing defects causing breakdown. You will benefit from free repairs for the term of the warranty period & If your equipment can't be repaired then we will replace it free of charge.(A delivery surcharge may apply for non UK mainland addresses)
This warranty and the standard manufacturer’s warranty does not cover general wear and tear, abuse or misuse or incorrect installation.
If you would like any further information on our extended warranty scheme please call our Hydrospares team on 01326 371 488 OR email us at info@hydrospares.co.uk

COMPARE 1" Pipe Union - PVC - Grey
1" Pipe Union - PVC - Grey
Socket x Socket
  • Comer PVC Pipe Union
  • Socket x Socket
  • Imperial
  • Quality PVC-u fitting
  • 16 bar rated
1.0"
socket x socket
pvcu
16 bar related
£6.58 (Inc VAT)
QF: UNI-0053
RRP: £7.74
168 in our Main UK warehouseSame day dispatch by 14:00
UNI-0053
COMPARE 1.5" Composite Equal Union - Plain x Threaded - White
1.5" Composite Equal Union - Plain x Threaded - White
Socket x BSP (F)
  • Composite Unions Imperial - 1.5"
  • Female Thread / Female Plain
  • White ABS/Brass
  • Suitable for Stainless Steel Heat Exchangers
1 ½"
-40°C TO +80°C
CHEMICAL RESISTANT
CLASS C 9 BAR
£53.07 (Inc VAT)
QF: UNI-7167/1
RRP: £58.97
2 in our Main UK warehouseSame day dispatch by 14:00
UNI-7167/1
COMPARE 1.5" Equal Union - ABS - White
1.5" Equal Union - ABS - White
Socket x Socket
  • Extremely Robust
  • Imperial
  • White
  • Suitable for swimming pools & commercial spas
1 ½"
-40°C to +80°C
Chemical Resistant
Class C 9 Bar
£11.12 (Inc VAT)
QF: UNI-7166/1
RRP: £14.82
8 in our Main UK warehouseSame day dispatch by 14:00
UNI-7166/1
COMPARE 1.5" Pipe Union - PVC - Grey
1.5" Pipe Union - PVC - Grey
Socket x Socket
  • Comer PVC Pipe Union
  • Socket x Socket
  • Imperial
  • Quality PVC-u fitting
  • 16 bar rated
Comer
1.5"
socket x socket
pvcu
16 bar related
£11.30 (Inc VAT)
QF: UNI-0054
RRP: £13.29
15 in our Main UK warehouseSame day dispatch by 14:00
UNI-0054
COMPARE 1.5" Plain/Threaded Socket Union - ABS - White
1.5" Plain/Threaded Socket Union - ABS - White
Male Thread / Female Plain - Used on Multiport Valves
  • Certikin
  • Male Threaded Socket /  Female Plain
  • ABS White
  • Suitable for Swimming Pools & Commercial Spas
1-1/2"
suitable for swimming pools and commercial spas
Available in Multipack x 5
From £16.85 (Inc VAT)
QF: UNI-7165/1
RRP: £18.72
5 in our Main UK warehouseSame day dispatch by 14:00
UNI-7165/1
View Options
COMPARE 2" Composite Equal Union - Plain x Threaded - White
2" Composite Equal Union - Plain x Threaded - White
Spigot x BSP (F)
  • Composite Unions Imperial - 2"
  • Female Thread / Female Plain
  • White ABS/Brass
  • Suitable for Stainless Steel Heat Exchangers
2"
-40°C TO +80°C
CHEMICAL RESISTANT
CLASS C 9 BAR
From £81.80 (Inc VAT)
QF: UNI-7240
RRP: £90.89
2 in our Main UK warehouseSame day dispatch by 14:00
UNI-7240
View Options
COMPARE 2" Composite Equal Union - Plain x Threaded - White
2" Composite Equal Union - Plain x Threaded - White
Socket x BSP (M)
  • Composite Unions Imperial - 2"
  • Male Thread / Female Plain
  • White ABS/Brass
  • Suitable for Stainless Steel Heat Exchangers
Certikin
2"
-40°C TO +80°C
CHEMICAL RESISTANT
230PSI / 16 BAR
From £93.53 (Inc VAT)
QF: UNI-7188
RRP: £103.93
2 in our Main UK warehouseSame day dispatch by 14:00
UNI-7188
View Options
COMPARE 2" Pipe Union - PVC - Grey
2" Pipe Union - PVC - Grey
Socket x Socket
  • Comer PVC Pipe Union
  • Socket x Socket
  • Imperial
  • Quality PVC-u fitting
  • 16 bar rated
Comer
2"
socket x socket
pvcu
16 bar rated
£13.90 (Inc VAT)
QF: 0055
RRP: £16.35
16 in our Main UK warehouseSame day dispatch by 14:00
0055
COMPARE 2" Plain/Threaded Union - ABS - White
2" Plain/Threaded Union - ABS - White
Male Thread / Female Plain
  • Manufactured from Virgin ABS
  • 2" Imperial
  • Easy to Install
  • High Temperature Range
  • Corrosion Resistant

 

ABS (Acrylonitrile Butadiene Styrene)
2"
corrosion resistant
Available in Multipack x 5
From £21.00 (Inc VAT)
QF: UNI-7184/1
RRP: £23.34
1 in our Main UK warehouseSame day dispatch by 14:00
UNI-7184/1
View Options
COMPARE 2" Plain Socket Union - ABS - White
2" Plain Socket Union - ABS - White
Imperial
  • Manufactured from Virgin ABS
  • Imperial
  • Easy to install
  • High temperature range
  • Corrosion resistant

 

2"
-40°C to +80°C
chemical resistant
easy to install
From £18.14 (Inc VAT)
QF: 7185/1
RRP: £20.16
8 in our Main UK warehouseSame day dispatch by 14:00
7185/1
View Options
COMPARE 2" Tank Connector - PVC - Grey
2" Tank Connector - PVC - Grey
Socket
  • Imperial
  • Indoor and outdoor use
  • Excellent chemical resistance
  • 230psi rated
2"
PVCu
Chemical Resistant
230PSI / 16 Bar
£55.55 (Inc VAT)
QF: TAK-0080
RRP: £65.35
1 in our Main UK warehouseSame day dispatch by 14:00
TAK-0080
COMPARE 32mm Pipe Union - PVC - Grey
32mm Pipe Union - PVC - Grey
Socket x Socket
  • Comer Pipe union 
  • Metric
  • Socket x Socket
  • Quality PVC-u fitting
  • 16 bar rated
Comer
32mm
socket x socket
pvcu
16 bar related
£5.92 (Inc VAT)
QF: UNI-0057
RRP: £6.96
16 in our Main UK warehouseSame day dispatch by 14:00
UNI-0057
COMPARE 40mm Pipe Union - PVC - Grey
40mm Pipe Union - PVC - Grey
Socket x Socket
  • Comer Pipe union 
  • Metric
  • Socket x Socket
  • Quality PVC-u fitting
  • 16 bar rated
Comer
40mm
socket x socket
pvcu
16 bar rated
£6.96 (Inc VAT)
QF: UNI-0058
RRP: £8.19
2 in our Main UK warehouseSame day dispatch by 14:00
UNI-0058
COMPARE 50mm Pipe Union - PVC - Grey
50mm Pipe Union - PVC - Grey
Socket x Socket
  • Comer Pipe union 
  • Metric
  • Socket x Socket
  • Quality PVC-u fitting
  • 16 bar rated
50mm
socket x socket
pvcu
16 bar rated
£10.30 (Inc VAT)
QF: UNI-0059
RRP: £12.12
10 in our Main UK warehouseSame day dispatch by 14:00
UNI-0059
COMPARE Heater Union Assembly - Saratoga Heaters
Heater Union Assembly - Saratoga Heaters
3" Connection

A complete 3-inch heater union assembly compatible with Saratoga, JACUZZI® Low Flow, and Spring Spa heaters. Includes all necessary components for a secure and durable connection.


Therm Products
£52.72 (Inc VAT)
QF: 6033
RRP: £58.58
8 in our Main UK warehouseSame day dispatch by 14:00
6033
COMPARE HS PRO - Union - 1"
HS PRO - Union - 1"
Socket x Socket - White PVC

A white PVC union with two 1" socket connections and a threaded collar for easy disassembly. Designed for solvent weld applications in spa, pool, and water plumbing systems.


HS PRO
Fits 1" Rigid PVC Pipe
Two Separate Socket Connections
Threaded Collar for Easy Disassembly
hreaded Collar for Easy Disassembly
£8.12 (Inc VAT)
QF: UNI-11995
51 in our Main UK warehouseSame day dispatch by 14:00
UNI-11995
COMPARE HS PRO - Union - 1.5"
HS PRO - Union - 1.5"
Socket x Socket - White PVC

A white PVC union with two 1.5" socket connections and a threaded collar for easy disassembly. Designed for solvent weld applications in spa, pool, and water plumbing systems.


£10.62 (Inc VAT)
QF: UNI-11996
13 in our Main UK warehouseSame day dispatch by 14:00
UNI-11996
COMPARE HS PRO - Union - 2"
HS PRO - Union - 2"
Socket x Socket - White PVC

A white PVC union with two 2" socket connections and a threaded collar for easy disassembly. Designed for solvent weld applications in spa, pool, and water plumbing systems.


Fits 2" PVC Pipe
Two Separate Socket Connections
Threaded Collar for Easy Disassembly
Ideal for Spa & Pool Plumbing
£17.78 (Inc VAT)
QF: UNI-11997
32 in our Main UK warehouseSame day dispatch by 14:00
UNI-11997
COMPARE PVC Plain Union x Threaded - Grey
PVC Plain Union x Threaded - Grey
50mm I/D x 1.50"
  • Comer PVC Pipe Union
  • Socket x Threaded
  • Imperial
  • Quality PVC-u fitting
Comer
50MM
SOCKET X THREADED
PVCU
16 BAR RATED
£16.27 (Inc VAT)
QF: 2863
RRP: £19.14
26 in our Main UK warehouseSame day dispatch by 14:00
2863
COMPARE Socket Union 1.5'' U.V.
Socket Union 1.5'' U.V.
(37mm x 48mm)
Certikin
£25.21 (Inc VAT)
QF: 11895
RRP: £31.51
3 in our Main UK warehouseSame day dispatch by 14:00
11895
COMPARE Union - Plain Socket x BSP Male
Union - Plain Socket x BSP Male
1.5" - Grey PVC

A high-quality 1.5" PVC-U plain union with a BSP threaded connection. Ideal for connecting solvent-welded pipes to threaded fittings, including heat pumps and other plumbing applications. WRAS approved for potable water use, easy to install and maintain, and rated for up to 15 bar at 20°C.


For 1.5" Systems
Easy Disassembly
WRAS Approved
Durable PVC-U
£9.92 (Inc VAT)
QF: UNI-4357
RRP: £11.67
11 in our Main UK warehouseSame day dispatch by 14:00
UNI-4357
COMPARE Union - Plain Socket x BSP Male
Union - Plain Socket x BSP Male
1" - Grey PVC

A high-quality 1" PVC-U plain union with a BSP threaded connection. Ideal for connecting solvent-welded pipes to threaded fittings, including heat pumps and other plumbing applications. WRAS approved for potable water use, easy to install and maintain, and rated for up to 15 bar at 20°C.

1" BSP Union
Ideal for Heat Pumps
WRAS Approved
Durable PVC-U
£11.14 (Inc VAT)
QF: UNI-12266
RRP: £13.11
15 in our Main UK warehouseSame day dispatch by 14:00
UNI-12266
COMPARE 20mm Pipe Union - PVC - Grey
20mm Pipe Union - PVC - Grey
Socket x Socket
  • Comer Pipe union 
  • Metric
  • Socket x Socket
  • Quality PVC-u fitting
  • 16 bar rated
20mm
socket x socket
pvcu
16 bar rated
£3.49 (Inc VAT)
QF: 0056
RRP: £4.07
Special Order ItemLead time to be confirmed
0056
COMPARE 50mm / 1.5" - Argonaut AG Pump Union
50mm / 1.5" - Argonaut AG Pump Union
Stepped
50mm / 1.5"
FOr AG Pumps
Black
Stepped
£27.99 (Inc VAT)
QF: 8875
Special Order ItemLead time to be confirmed
8875
COMPARE 50mm Tank Connector - PVC - Grey
50mm Tank Connector - PVC - Grey
Metric - Glued x Threaded
  • PVC Tank Connector - Glued x Threaded
  • Metric - 50mm
  • Indoor and outdoor use
  • Excellent chemical resistance
  • 230psi rated
50mm
pvcu
chemical resistant
230psi / 16 bar
£34.19 (Inc VAT)
QF: 2854
RRP: £46.20
Special Order ItemLead time to be confirmed
2854
 
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