Sensors & Probes
Our range of temperature switches for your hot tub or spa, from brands such as Gecko, Astral and Tecmark.
Use the main filters below to narrow down your search.
Balboa Temperature & Hi-limit Sensors
Pre M7 Spa Packs
6 In Stock
Same day dispatch by 14:00
SEN-0287
£44.46INC VAT
5% DISCOUNT
SAVE £2.34
Balboa M7 Sensor - Long (60cm/24")
M7/GL Spa Packs
27 In Stock
Same day dispatch by 14:00
SEN-0288
£39.18INC VAT
5% DISCOUNT
SAVE £2.06
Balboa Copper Heater Strap
GS & GL Spa Packs
45 In Stock
Same day dispatch by 14:00
5580
£1.77INC VAT
10% DISCOUNT
SAVE £0.20
Pahlen Thermostat - 0°C - 45°C
Unipolar
22 In Stock
Same day dispatch by 14:00
HTR-8310H
£69.29INC VAT
13% DISCOUNT
SAVE £10.70
HydroQuip Sensor Replacement Kit
Hi-Limit Sensor, Temperature Sensor & O-Rings
5 In Stock
Same day dispatch by 14:00
8669
£67.36INC VAT
10% DISCOUNT
SAVE £7.48
HydroQuip 3/4" Barb Kit with O-Rings
Fits Watkins Double Barrel Heater (No Fault Heater)
9 In Stock
Same day dispatch by 14:00
8671
£23.18INC VAT
10% DISCOUNT
SAVE £2.58
Watkins Hi Limit Temperature Sensor
Used IQ2020 Systems
1 In Stock
Same day dispatch by 14:00
7882
£58.38INC VAT
15% DISCOUNT
SAVE £10.31
Watkins Temperature Sensor
For IQ2000 Systems
2 In Stock
Same day dispatch by 14:00
7883
£55.47INC VAT
15% DISCOUNT
SAVE £9.78
Spa-Quip Auto Reset Klixon
For All Spa-Quip Heaters
Discontinued
6201
£5.49INC VAT
7% DISCOUNT
SAVE £0.43
Balboa M7 Sensor - Short (30cm/12")
GS/GL Spa Packs
Out of Stock
Available to Back Order
SEN-4905
£44.46INC VAT
5% DISCOUNT
SAVE £2.34
Certikin - Digital Thermostat
AC1 2WT for S/S & Bowman Heat Exchangers
Out of Stock
Available to Back Order
7793
£166.99INC VAT
25% DISCOUNT
SAVE £55.09
Hydro Pro 13 Heat Pump Temperature Sensors
Replacement Parts
Out of Stock
Available to Back Order
SEN-9687
£17.99INC VAT
10% DISCOUNT
SAVE £2.00
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