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Pressure Switches

Various Pressure Switches with a range of different PSI settings, some adjustable.

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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 HydroQuip Pressure Switch Guard
HydroQuip Pressure Switch Guard
White Plastic
  • HydroQuip 
  • Pressure Switch Guard
  • White Plastic
HydroQuip
HydroQuip
White
Plastic
Replacement Part
£6.49 (Inc VAT)
QF: 6255
RRP: £8.63
1 In StockSame day dispatch if ordered by 14:00
6255
COMPARE Len Gordon - Pressure Switch
Len Gordon - Pressure Switch
Adjustable PSI
  • Preset at 2 PSI
  • Adjustable Range of 1 - 5 PSI
  • 1/8" thread (Male BSP)
  • Very common in the UK
Len Gordon
Len Gordon
Adjustable PSI
Preset at 2 PSI
Replacement Part
£19.75 (Inc VAT)
QF: 3216
RRP: £24.69
9 In StockSame day dispatch if ordered by 14:00
3216
COMPARE Pahlen Pressure Switch
Pahlen Pressure Switch
Used in Compact Heaters
  • Pressure Switch 
  • 12856
Pahlens
Pahlen
Found in Compact Range
Max. 4 Bar
Replacement or SPare
£65.00 (Inc VAT)
QF: 8150
RRP: £78.00
28 In StockSame day dispatch if ordered by 14:00
8150
COMPARE Tecmark Pressure Switch - 4755P
Tecmark Pressure Switch - 4755P
Adjustable PSI
  • Tecmark 
  • Pressure Switch
  • 4755P
  • Adjustable PSI
Tecmark
Tecmark
Adjustable PSI
Replaces Len Gordon 800122
Replacement Part
£26.18 (Inc VAT)
QF: 6715
RRP: £32.72
11 In StockSame day dispatch if ordered by 14:00
6715
COMPARE Vacuum Switch Dryseal
Vacuum Switch Dryseal
Single Pole 2 Terminals
  • Vacuum Switch 
  • Single Pole
  • 2 Spade Connections
Tecmark
Available While Stock Lasts
single pole
2 spade connections
height: 48mm
£56.99 (Inc VAT)
QF: 3667
3 In StockSame day dispatch if ordered by 14:00
3667
COMPARE PresAir - Pressure Switch - TNP411R-1.8PR
PresAir - Pressure Switch - TNP411R-1.8PR
1/8" NPT with Center Air Spout
  • 1/8" NPT with Center Spout
  • 1.8PSI Rising
  • SPST Normally Open
  • 21AMP
PresAir
PreAir
Factory Set 1.8 PSI
SPST
21AMP
£30.00 (Inc VAT)
QF: 8142
RRP: £35.00
Special Order ItemLead time to be confirmed
8142
£21.07 (Inc VAT)
QF: 9642
RRP: £26.33
Special Order ItemLead time to be confirmed
9642
COMPARE Tecmark Pressure Switch - 3902/3
Tecmark Pressure Switch - 3902/3
Adjustable PSI
  • 2 PSI - Factory Set
  • Adjustable Range of 1 - 5 PSI
  • 2 x Flat 6mm spade terminals
  • 2 x screw terminals for ring connectors 
  • Very common in the UK
Tecmark
Tecmark
Adjustable PSI
Ranges 1 - 5 PSI
Replacment Part
£26.99 (Inc VAT)
QF: 3190
RRP: £34.88
Special Order ItemLead time to be confirmed
3190
COMPARE Tecmark Pressure Switch - Balboa M3 Heater Tubes
Tecmark Pressure Switch - Balboa M3 Heater Tubes
Adjustable PSI
  • Adjustable PSI (Factory Set - 2PSI)
  • 1/8" NPT
  • M3 Heaters
  • Very Common
Tecmark
Tecmark / Balboa
For Balboa M3 Heaters
Adjustable PSI
Replacement
£38.78 (Inc VAT)
QF: 0705
RRP: £48.47
Special Order ItemLead time to be confirmed
0705
COMPARE Tecmark Vacuum Switch - VP4003P-DX
Tecmark Vacuum Switch - VP4003P-DX
2000WI Preset, 1/8" Thread
  • Tecmark 
  • Vacuum Switch
  • 2000WI Preset
  • 1/8" Thread
Tecmark
Tecmark
1/8" Thread
On/Off
Replacement Part
£41.49 (Inc VAT)
QF: 5099
RRP: £50.77
Special Order ItemLead time to be confirmed
5099

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COMPARE Watkins Pressure Switch: Electronic 2-Wire 3-Pin
Watkins Pressure Switch: Electronic 2-Wire 3-Pin
For Caldera & Watkins
  • Watkins 
  • Pressure Switch
  • Electronic 2 Wire
  • Compatible with Hot Springs and Caldera Spas
Watkins
For Watkins & Caldera Spas
Electronic
Comes with Wire
Replacement Part
£122.66 (Inc VAT)
QF: 8289
RRP: £153.33
Special Order ItemLead time to be confirmed
8289
COMPARE Sundance Spas Jacuzzi Pressure Switch Alternative
Sundance Spas Jacuzzi Pressure Switch Alternative
Alternative to 4037P
  • Sundance Spas / Jacuzzi
  • 25 Amp
  • 1-6 Psi
  • 1/8" NPT
Tecmark
Sundance / Jacuzzi Alternative
Pressure Switch
1-6 Psi
1/8" NPT
£23.82 (Inc VAT)
QF: 9440
RRP: £29.78
Out of Stock Lead time to be confirmed
9440
COMPARE Tecmark Pressure Switch - 4010P
Tecmark Pressure Switch - 4010P
Alternate to Tecmark 4037P
  • 25 Amp
  • 1-6 Psi
  • 1/8" NPT
  • Alternate to P/T# 4037P
Tecmark
Tecmark
Pressure Switch
1-6 Psi
1/8" NPT
£23.82 (Inc VAT)
QF: 9440
RRP: £29.78
Out of Stock Lead time to be confirmed
9440
COMPARE Pressure Sensor / Transmitter - Voltage Output
Pressure Sensor / Transmitter - Voltage Output
0 Bar Min / 0.1 Bar Max
  • Turn Pressure into Signal/Voltage
  • Air, Water and Gases
  • Various Applications
  • 0.1 Bar Max.
0 Bar Min
0.1 Bar Max
Use with air, water & gases
Piezo-resistive silicon sensor
£478.80 (Inc VAT)
QF: 10735
RRP: £598.80
Out of Stock Lead time to be confirmed
10735
 
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