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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Gecko Hi Limit Sensor - SSPA & USPA Microspa - SOLDER ON ONLY style

SKU: g9920-100307

Gecko SSPA and USPA Microspa SOLDER on Hi-Limit sensor. This is NOT a plug in sensor - it replaces the soldered on hi-limit sensor on SSPA/USPA / Microspa pcbs supplied from within Australia with 2.5" flo...

65 In Stock

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Gecko Hi Limit Sensor - SSPA-MP Flow through - Plug In style

SKU: g9920-100317

Gecko SSPA flow through PCB plug in Hi-Limit sensor. Most SSPA pcbs actually have a soldered on style hi-limit sensor - ensure you select the correct type....

1 In Stock

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Gecko Hi-Limit Probe - SSPA & MSPA-MP

SKU: g9920-400446

1.2m long lead with hi-limit sensor. Used on Gecko SSPA and Spa Builders S Class systems with remote Laing heaters as well as some Gecko MSPA-MP spa packs ...

3 In Stock

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Gecko High Limit Probe - MSPA-1

SKU: g9920-400122

Gecko MSPA-1 Heater mounted overtemperature hi-limit sensor...

2 In Stock

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Gecko Pressure Switch Cable - MSPA

SKU: g9920-400124

Gecko MSPA pressure switch cable...

12 In Stock

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Gecko Pressure Switch Cable - SSPA

SKU: g9920-400336

Gecko SSPA pressure switch cable to suit remote heaters. 1.7m long cable to run from SSPA spa pack to heater pressure switch. Typically used with trombone shaped heaters or other heaters not mounted under th...

1 In Stock

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Gecko Regulation Temperature Probe - MSPA-1

SKU: g9920-400125

For Gecko MSPA-1 spa pack only - not interchangeable ** Does not suit Gecko MSPA-MP series ...

1 In Stock

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Gecko Regulation Temperature Probe - Std

SKU: g9920-400262

Main in-water temperature probe - used on Gecko Microspa, SSPA and MSPA-MP electronic spa packs & S-Class and M-Class Spa Builders spa packs. Not used in older MSPA-1 spa packs (white metal boxes - but don...

10 In Stock

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Gecko Temperature Sensor Pocket

SKU: g9920-100163

25mm hole size required Gecko or Balboa temperature sensor housing for better temperature regulation. Sensor should protrude approx 8-10mm into spa water...

6 In Stock

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Harwil Flow Switch 3/4" Barbed Tee

SKU: hq34-0221

Harwil flow switch 3/4" barbed tee assembly used on numerous spas Harwil Q12DS-C2 switch mechanism threaded into barbed tee body ...

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Harwil Flow Switch 3/4" Barbed Tee

SKU: hq34-0221-lc

Harwil flow switch 3/4" barbed tee assembly used on numerous spas Harwil Q12DS-C2 switch mechanism threaded into barbed tee body No connector on the cable end. ...

1 In Stock

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Harwil Flow Switch Replacement Mechanism 0.75" MPT thread

SKU: hq34-0221A

Harwil flow switch replacement mechanism used on numerous spas - 3/4" MPT thread - screws into barbed Tee fitting (outside diameter of thread is 26.5mm - 3/4" NPT thread) Harwil Q-12DS-C2 flow switch ...

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Harwil Q-12 Spa & Pool Water Flow Switch

SKU: harwilq12

Harwil Q-12 Spa & Pool Water Flow Switch Pilot duty extra low voltage only. 1/2" NPT thread (21mm OD thread) Maximum length of submersion from top of thread/underside of nut - 66mm Length of submersion to ...

1 In Stock

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Harwil Q-8 DS Spa & Pool Water Flow Switch

SKU: harwilq8

Harwil Q-8DS Spa & Pool Water Flow Switch 15A, 12V-240V AC/DC 5-80 GPM range suits 1.5" and 2" pipe sizes, 1" NPT thread Manufactured from Noryl, 316 & 301 stainless steel and Viton ...

2 In Stock

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High Limit spa heater Thermostat

SKU: pqppsh7479sq960420

Suits Poolquip Power Plus and Spaquip Classic heaters 55 degrees C cut out - manual reset...

1 In Stock

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Hot Spring Spas Control Thermister 03+

SKU: hs39530

Hot Spring Spas Control Thermister (with O-ring) larger thread diameter, different plug to the hi-limit 4 pin plug ...

30 In Stock

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Hot Spring Spas Hi Limit Thermister - 03+

SKU: hs39525

Hot Spring Spas Hi Limit Thermister (with O-ring) 2 pin plug ...

8 In Stock

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Hydroquip High Limit Temperature Sensor

SKU: hq34-0201d

Hydroquip High Limit Temperature Sensor. 2 wire, 2 pin connector, 400mm long / 18". Mounts on heater tube - used on CS7500 series packs and others - shorter cable length not suited to remote heaters ...

4 In Stock

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Hydroquip Pressure Switch - 2psi

SKU: hq34-0148A

Hydroquip 1/8"NPT threaded 2psi pressure switch - non adjustable SPDT, 15A TBS3003A-948 ADPR...

43 In Stock

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Hydroquip Temperature Sensor

SKU: hq34-0203d

Hydroquip Control Temperature Sensor Probe - 3 wire, 4 pin connector - 10' Mounts through spa shell in Thermal Well sensor pocket. Used on all Hydroquip / Gecko spa packs such as cs7500 series, cs6000 ser...

10 In Stock

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Hydroquip Vacuum Switch -1/8" NPT

SKU: hq34-0069c

Hydroquip Vacuum switch - 1/8" NPT threaded (same as most pressure switches) - for use on spa heaters installed into the suction side of a pump, which ordinarily prevents the operation of a pressure switch (...

1 In Stock

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Jacuzzi Hot Tub Hi-Limit Sensor - DSMT plug in

SKU: j6600-179

Jacuzzi Hot Tub hi limit sensor. J-400 series 2010+ DSMT orange 2 pin plug in connector ...

2 In Stock

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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 ind...

85 In Stock

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