Sensors - Temperature, Thermostats, Flow, Pressure

Spa and hot tub sensors
Temperature sensors, hi-limit sensors, flow switches, pressure switches, water presence/detection sensors, vacuum switches, float switches and thermowells

 

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Jacuzzi Hot Tub Temperature Sensor - DSMT plug in

SKU: j6600-181

Jacuzzi Hot Tub temperature sensor. J-400 series 2010+ DSMT orange 2 pin plug in connector 2.4m cable ...

3 In Stock

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Len Gordon Adjustable Pressure Switch - 1/8" NPT thread - DPST

SKU: lg800120

Len Gordon 800120 adjustable pressure switch SPDT 21A, 240v rated contacts. 6.4mm spade terminals. Normally Open and Normally Closed contacts - can be used to indicate 'no flow' condition to illuminate indi...

121 In Stock

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LX Flow Type Heater Pressure Switch - screw terminals

SKU: lxh-r-008

Chinese LX Flow Type Heater water pressure switch replacement - used in newer LX brand spa heater types 'I', 'T' and 'L' NOTE - this pressure switch has a SMOOTH shaft - it is not threaded like USA made pre...

41 In Stock

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LX Flow Type Heater Pressure Switch - spade terminals

SKU: lxh-r-008s

Chinese LX Flow Type Heater water pressure switch replacement - used in newer LX brand spa heater types 'I', 'T' and 'L' NOTE - this pressure switch has a SMOOTH shaft - it is not threaded like USA made pre...

14 In Stock

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Novus N322 NTC Electronic Digital Thermostat 240v AC

SKU: ocn322ntc240

Novus N322 NTC thermister electronic thermostat with digital display. Replacement for digital thermostats used in Bowman heaters and other applications. 2m thermister sensor included with a 5mm diameter 20...

1 In Stock

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Novus N322 NTC Electronic Digital Thermostat Temperature Controller 12v-30v AC/DC

SKU: ocn322ntc24

Novus N322 NTC thermister electronic thermostat temperature controller with digital display. Replacement for Eliwell EWPC 902 / T that was often installed spaside. 2m thermister sensor included with a 5mm ...

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Poolquip / Spaquip / Waterco spa heater pressure switch

SKU: pqppsh7481sq921030wc46036

Poolquip, Spaquip & Waterco copper capillary style heater pressure switch with 1/4" threaded flare nut - Adjustable 3 terminal NO / NC contacts. Closes at 5 psi, opens at 2 psi. Saginomiya LTB-X321 ...

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Poolrite Thermaflow Spa Heater Thermostat with 3 Terminals - NO & NC Contacts

SKU: prtempsens

Poolrite Thermaflow spa heater temperature thermostat with 3 terminals. (common, NO - normally open, NC - normally closed) ...

1 In Stock

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Pressure switch tap adaptor - 1/8" FPT thread x 1/2" Spigot

SKU: 438-071

Pressure switch tap adaptor - 1/8" FPT thread. 1/2" / 15mm spigot slip fit Standard pressure switch can thread into this fitting. Glue the pressure switch tap into a Tee fitting of any size with the use of r...

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S.P.L.A.S.H. Splash Pool Accessories Temperature Sensor with Brass Thermowell - Universal - Suits all Splash Controls

SKU: splash1-000-08-K

S.P.L.A.S.H. Splash Pool Accessories Temperature sensor - Universal - used on all Splash gas controllers| and electric spa controllers. Supplied with brass threaded thermowell housing (not for use with...

1 In Stock

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Spa Builders LX-10 / 15 Sensor Harness Set

SKU: sb5-60-1122

'Fire Cracker' same sized temperature and hi-limit sensors...

1 In Stock

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Spa Builders LX-20 / 25 / 30 Sensor Harness Set

SKU: sb5-60-1120

'Fire Cracker' same sized temperature and hi-limit sensors with pressure switch wiring harness...

4 In Stock

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Spa-Tech Temperature Sensor - New Style larger thread

SKU: oaspatech-ts2

Spa-Tech temperature sensor used on Chinese imported spas from Oasis Leisure Products Newer style with chunkier nut and thread 9.5mm diameter thread This Sensor has undergone a change end of 2018 to a ...

8 In Stock

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Spa-Tech Temperature Sensor - Old Style smaller thread

SKU: oaspatech-ts1

NO LONGER AVAILABLE A new complete heater assembly is required Spa-Tech temperature sensor used on Chinese imported spas from Oasis Leisure Products This older style had a smaller nut and thread 7.7m...

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Spaquip Hi-Limit Auto Reset Klixon heater thermostat

SKU: sq962347hrw02

Spaquip Hi-Limit auto resetting klixon - 55 degrees Celcius trip temperature Includes 2 x retaining lock washers Used on Spaquip Spa Power 500A, 600, 601, 750, 800, 1200 ...

10 In Stock

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Spaquip Hi-Limit Manual Reset Klixon heater thermostat

SKU: sq962353hrw02

Spaquip Hi-Limit manual reset klixon - 55 degrees Celcius trip temperature - has a rectangular button in the centre that needs to be depressed to reset once tripped. Includes 2 x retaining lock washers Used ...

14 In Stock

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Spaquip In-Line ( in heater tube ) Temperature Sensor Spa Power 400, 500, 600 , 800 , 1200

SKU: sq915439

Spaquip Spa Power 400, 500, 600, 800, 1200 In-Line temperature sensor - fitted in the heater element assembly. NB - Does NOT suit newer Titanium heaters fitted to Spa Power 601 and Spa Power 800 controllers ...

6 In Stock

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Spaquip Optional In-Pool Temperature Sensor - Spa Power 600 , 800 , 1200

SKU: sq915445

Spaquip Spa Power 600, 800, 1200 Optional In-Pool temperature sensor - fitted to the spa shell to sense spa water temperature. This sensor is not required as all Spa Power packs are fitted with in-line (buil...

1 In Stock

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Spaquip Spa Power Series Optical Water Sensor - for 500A only

SKU: sq915440a-K

Spaquip Spa Power series optical water sensor and o-ring seal suits the following Spa Power packs - spa power 500A MkI & II only Approx 11mm diameter thread ...

10 In Stock

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Spaquip Spa Power Series Optical Water Sensor - for 54500 only NLA

SKU: sq915440

Spaquip Spa Power series optical water sensor - suits the following Spa Power packs - spa power 500 - 54500 only Discontinued Can be replaced with newer style that suits 500A spa packs as well as the element...

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Spaquip Spa Power Series Optical Water Sensor O-Ring seal

SKU: sq3962

Spaquip Spa Power series optical water sensor O-ring seal suits all Optical water sensors fitted to the following Spa Power packs - 400, 54500, 500A, 600, 601, 750, 800, 1000, 1200. 9mm ID x 2mm cross...

9 In Stock

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Stainless Steel Plug for Heater Pressure Switch Location 1/8" NPT

SKU: tprme4452k541

Used to plug an unused pressure switch threaded hole in heater tubes. The thread is 1/8" NPT - tapered thread. Due to the taper, if screwing into a plastic fitting, do not over-tighten or the expanding d...

7 In Stock

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Sundance Spas / Jacuzzi heater surface mount auto reset hi limit thermostat

SKU: sd6000-093

Surface mount auto reset thermal high limit thermostat used on Sundance Spas and Jacuzzi Hot Tubs heater assemblies. Rated at 20A load capacity and trips at 55C / 130F ...

2 In Stock

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Sundance Spas / Jacuzzi Hot Tub High Limit Sensor - 650, 850 / J-400, J-300 LCD series - Box End Connectors

SKU: sd6600-168

Suits Sundance Spas 850, 880 series spas 1995+ and Jacuzzi Hot Tubs J-400 and J-300 LCD series box end connectors Sensor is 6mm diameter x 38mm long May need a dab of silicon or cable tie to hold in...

9 In Stock

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