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Bulb Diameter

1/2" Threaded (1) 1/4" (17) 3/4" Threaded (2) 3/8" (2) 5/16" (2)

Box End (2) Temp = 1/4" Hi-Limit = 1/4" (8) Temp = 3/8" Hi-Limit = 1/4" (14) Temp = 3/8" Hi-Limit = 3/8" (1) Threaded (2)

(+) show 5 more

Sensor Version

Dual Purpose (1) Dual Purpose Sensor (22) Hi-Limit Sensor (19) Temperature Sensor (23)

Length

10' (2) 12' (3) 12" (3) 14" (1) 18" (4)

24" (5) 25' (1) 25" (1) 36" (5) 46" (1) 48" (1) 5' (1) 50' (2) 60" (1) 66" (2) 72" (5) 8' (1) 82" (1) 96" (8)

(+) show 14 more

Features

Grommet (1) Sensor Plug (1) Sensor Sleeve (1)

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Temp/Hi-Limit Sensors

Temp/Hi-Limit Sensors

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67 items, 75 per page

Default: 20
Items Per Page: 25
Items Per Page: 50
Items Per Page: 75
Items Per Page: 100

Bulb Diameter

1/2" Threaded (1) 1/4" (17) 3/4" Threaded (2) 3/8" (2) 5/16" (2)

Box End (2) Temp = 1/4" Hi-Limit = 1/4" (8) Temp = 3/8" Hi-Limit = 1/4" (14) Temp = 3/8" Hi-Limit = 3/8" (1) Threaded (2)

(+) show 5 more

Sensor Version

Dual Purpose (1) Dual Purpose Sensor (22) Hi-Limit Sensor (19) Temperature Sensor (23)

Length

10' (2) 12' (3) 12" (3) 14" (1) 18" (4)

24" (5) 25' (1) 25" (1) 36" (5) 46" (1) 48" (1) 5' (1) 50' (2) 60" (1) 66" (2) 72" (5) 8' (1) 82" (1) 96" (8)

(+) show 14 more

Features

Grommet (1) Sensor Plug (1) Sensor Sleeve (1)

no image

ACC Temp/Hi-Limit Dual Sensor 34-SENSOR12D

p/n: 34-SENSOR12D

12" Long (1/4" Bulb)

2 Available Sign in to Buy

Balboa 10' Hi Limit Sensor 30336

Balboa 10' Hi Limit Sensor 30336

p/n: 30336

10' Long (1/4" Bulb) 2-Pin

1 Available Sign in to Buy

Balboa 96" Temp/Hi-Limit Dual Sensor 30278KIT

Balboa 96" Temp/Hi-Limit Dual Sensor 30278KIT

p/n: 30278KIT

96" Temp (1/4" Bulb), 31" Hi-Limit (1/4" Bulb)

Out of Stock Sign in to Buy

Balboa 96" Temp/Hi-Limit Dual Sensor 30288

Balboa 96" Temp/Hi-Limit Dual Sensor 30288

p/n: 30288

96" Temp (3/8" Bulb), 31" Hi-Limit, (1/4" Bulb)

2 Available Sign in to Buy

Balboa 96" Temp/Hi-Limit Dual Sensor 30296

Balboa 96" Temp/Hi-Limit Dual Sensor 30296

p/n: 30296

96" Temp (3/8" Bulb), 96" Hi-Limit (1/4" Bulb)

1 Available Sign in to Buy

Balboa 96" Temp/Hi-Limit Dual Sensor 30637-KIT

Balboa 96" Temp/Hi-Limit Dual Sensor 30637-KIT

p/n: 30637-KIT

96" Temp (3/8" Bulb) 31" Hi-Limit (1/4" Bulb)

6 Available Sign in to Buy

Balboa Freeze Control Sensor 34-22312-K1

Balboa Freeze Control Sensor 34-22312-K1

p/n: 34-22312-K1

15 Foot Cable

Out of Stock Sign in to Buy

Balboa OEM Temp/Hi-Limit Dual Sensor 34-30337-K

Balboa OEM Temp/Hi-Limit Dual Sensor 34-30337-K

p/n: 34-30337-K

31" Long (1/4" Bulb) 96"Long (3/8" Bulb)

16 Available Sign in to Buy

Balboa OEM Temp/Hi-Limit Dual Sensor 34-30674-K

Balboa OEM Temp/Hi-Limit Dual Sensor 34-30674-K

p/n: 34-30674-K

12” External M7 Sensor w/black connector

18 Available Sign in to Buy

Balboa OEM Temp/Hi-Limit Dual Sensor 34-32016-K

Balboa OEM Temp/Hi-Limit Dual Sensor 34-32016-K

p/n: 34-32016-K

24" Long (1/4" Bulb) M7

35 Available Sign in to Buy

Balboa OEM Temp/Hi-Limit Dual Sensor 34-32016-K1

Balboa OEM Temp/Hi-Limit Dual Sensor 34-32016-K1

p/n: 34-32016-K1

Dual Sensor, 24" Long, BWG

Out of Stock Sign in to Buy

Balboa OEM Temp/Hi-Limit Dual Sensor 34-53605-K

Balboa OEM Temp/Hi-Limit Dual Sensor 34-53605-K

p/n: 34-53605-K

12" Long (1/4" Bulb)

21 Available Sign in to Buy

Balboa Series Temp Sensor 34-30352KIT-K

Balboa Series Temp Sensor 34-30352KIT-K

p/n: 34-30352KIT-K

Temp, 3/8" Bulb (96")

1 Available Sign in to Buy

Balboa Series Temp/Hi-Limit Dual Sensor 34-30337-HQ-K

Balboa Series Temp/Hi-Limit Dual Sensor 34-30337-HQ-K

p/n: 34-30337-HQ-K

31" Long (1/4" Bulb) 96"Long (3/8" Bulb)

21 Available Sign in to Buy

Balboa Series Temp/Hi-Limit Dual Sensor 34-32016-HQ-K

Balboa Series Temp/Hi-Limit Dual Sensor 34-32016-HQ-K

p/n: 34-32016-HQ-K

Dual Sensor, 24" Long (1/4" Bulb)

33 Available Sign in to Buy

Balboa Series Temp/Hi-Limit Dual Sensor 34-53605-HQ-K

Balboa Series Temp/Hi-Limit Dual Sensor 34-53605-HQ-K

p/n: 34-53605-HQ-K

12" Long (1/4" Bulb)

22 Available Sign in to Buy

Caldera Spa Advent Hi-Limit Sensor 72492

Caldera Spa Advent Hi-Limit Sensor 72492

p/n: 72492

Advent, MLX, Caldera

13 Available Sign in to Buy

Caldera Spa Highlander Temp Sensor 73992

Caldera Spa Highlander Temp Sensor 73992

p/n: 73992

Highland Caldera, 2006+

4 Available Sign in to Buy

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Caldera Spa MLX Temp Sensor 72493

p/n: 72493

Temp/Thermister, MLX, Caldera

3 Available Sign in to Buy

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Dimension One Threaded Sensor Plug 01510-296

p/n: 01510-296

3/4"MPT, 1997-Current, Ultra Pure

1 Available Sign in to Buy

Gecko SSPA Hi-Limit Sensor 9920-100317

Gecko SSPA Hi-Limit Sensor 9920-100317

p/n: 9920-100317

SSPA, Foam Strap

Out of Stock Sign in to Buy

Gecko YJ Temp/Hi-Limit Dual Sensor 9920-401397

Gecko YJ Temp/Hi-Limit Dual Sensor 9920-401397

p/n: 9920-401397

Temp/Hi-Limit, YJ-Heat Recovery

Out of Stock Sign in to Buy

Hi-Limit Sensor for Gecko MP / SSPA/ YE Series 34-0201D-36-K

Hi-Limit Sensor for Gecko MP / SSPA/ YE Series 34-0201D-36-K

p/n: 34-0201D-36-K

2-Pin/2-Wire, 36" Long (1/4" Bulb) Used on MP/ SSPA/ YE

13 Available Sign in to Buy

Hi-Limit Sensor for Gecko MP / SSPA/ YE Series 34-0201D-72-K

Hi-Limit Sensor for Gecko MP / SSPA/ YE Series 34-0201D-72-K

p/n: 34-0201D-72-K

2-Pin/2-Wire, 72" Long (1/4" Bulb) Used on MP/ SSPA/ YE

12 Available Sign in to Buy

Hi-Limit Sensor for Gecko MP / SSPA/ YE Series 34-0201D-K

Hi-Limit Sensor for Gecko MP / SSPA/ YE Series 34-0201D-K

p/n: 34-0201D-K

2-Pin/2-Wire, 18" Long (1/4" Bulb) Used on MP/ SSPA/ YE

20 Available Sign in to Buy

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Hi-Limit Sensor for Hydro Quip and Gecko 34-0201-K

p/n: 34-0201-K

4-Pin/3-Wire, WH3/MSPA/TSPA, 14" Long (1/4" Bulb)

4 Available Sign in to Buy

Hi-Limit Sensor used on Smart Heaters 34-0202A-SUN-K

Hi-Limit Sensor used on Smart Heaters 34-0202A-SUN-K

p/n: 34-0202A-SUN-K

Hi-Limit Sensor, Smart Heater

11 Available Sign in to Buy

Hydro Quip M7 Temp/Hi-Limit Sensor Kit 34-0202B-K

Hydro Quip M7 Temp/Hi-Limit Sensor Kit 34-0202B-K

p/n: 34-0202B-K

46" Long (1/4" Bulb) Used on Balboa, All Slides

4 Available Sign in to Buy

Hydro Quip M7 Temp/Hi-Limit Sensor Kit 34-0202C-K

Hydro Quip M7 Temp/Hi-Limit Sensor Kit 34-0202C-K

p/n: 34-0202C-K

82" Long (1/4" Bulb) Used on Balboa, Versi-Heat

5 Available Sign in to Buy

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Hydro Quip Manual Reset Thermal Cut-Off High Limit 34-215A2555-K

p/n: 34-215A2555-K

24" Cable, Manual Reset

2 Available Sign in to Buy

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-18-K

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-18-K

p/n: 34-0203D-18-K

18" Long (1/4" Bulb) Used on MP/ SSPA/ YE

2 Available Sign in to Buy

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-25-K

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-25-K

p/n: 34-0203D-25-K

25' Long (1/4" Bulb) Used on MP/ SSPA/ YE

1 Available Sign in to Buy

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-36-K

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-36-K

p/n: 34-0203D-36-K

36" Long (1/4" Bulb) Used on MP/ SSPA/ YE

23 Available Sign in to Buy

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-72-K

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-72-K

p/n: 34-0203D-72-K

72" Long (1/4" Bulb) Used on MP/ SSPA/ YE

18 Available Sign in to Buy

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-K

Hydro Quip Temp Sensor for Gecko MP SSPA YE 34-0203D-K

p/n: 34-0203D-K

10' Long (1/4" Bulb) Used on MP/ SSPA/ YE

45 Available Sign in to Buy

Jacuzzi J-400 Hi-Limit Sensor with DSMT Plug 6600-179

Jacuzzi J-400 Hi-Limit Sensor with DSMT Plug 6600-179

p/n: 6600-179

DSMT Plug, Jacuzzi, 2010-15

13 Available Sign in to Buy

Jacuzzi J-400 Temp Sensor with DSMT Plug 6600-181

Jacuzzi J-400 Temp Sensor with DSMT Plug 6600-181

p/n: 6600-181

DSMT Plug, Jacuzzi, 2010-15

4 Available Sign in to Buy

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Jacuzzi Sensor Sleeve Grommet 2540-400

p/n: 2540-400

Sensor, Sleeve Grommet

2 Available Sign in to Buy

Jacuzzi Temp Sensor Sleeve 2000-200

Jacuzzi Temp Sensor Sleeve 2000-200

p/n: 2000-200

Temp Sensor Sleeve, Jacuzzi

1 Available Sign in to Buy

M7 Sensor Fitting Kit 39-0021-K

M7 Sensor Fitting Kit 39-0021-K

p/n: 39-0021-K

M7, Includes: Body, Cap, Spacer, & O-Ring

23 Available Sign in to Buy

Replacement Hi-Limit Sensor Kit for Watkins 34-39525-K

Replacement Hi-Limit Sensor Kit for Watkins 34-39525-K

p/n: 34-39525-K

Fits Watkins HiLimit Sensor, Includes O-Ring

2 Available Sign in to Buy

Replacement Temp Sensor Kit for Watkins 34-39530-K

Replacement Temp Sensor Kit for Watkins 34-39530-K

p/n: 34-39530-K

Fits Watkins Temp Sensor, Includes O-Ring

4 Available Sign in to Buy

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Sensor Kit for 3" Canister 48-0303-K

p/n: 48-0303-K

No sensors included

Out of Stock Sign in to Buy

Sundance 301/601 Series Hi-Limit Sensor 6560-221

Sundance 301/601 Series Hi-Limit Sensor 6560-221

p/n: 6560-221

Used on 301/601 Series

1 Available Sign in to Buy

Sundance 400/600/800 Series Hi-Limit Sensor 6600-110

Sundance 400/600/800 Series Hi-Limit Sensor 6600-110

p/n: 6600-110

1/4" Bulb, Used on 400/600/800 Series

Out of Stock Sign in to Buy

Sundance 500/600 Series Temp Sensor 6560-423

Sundance 500/600 Series Temp Sensor 6560-423

p/n: 6560-423

Used on 505/601-605/624 Series

Out of Stock Sign in to Buy

Sundance Curled Hi-Limit Sensor 6600-068

Sundance Curled Hi-Limit Sensor 6600-068

p/n: 6600-068

1/4" Bulb, Curled Fingers

6 Available Sign in to Buy

Sundance Inground Temp Sensor 6600-106

Sundance Inground Temp Sensor 6600-106

p/n: 6600-106

3/8" Bulb, Used on Inground Spas

1 Available Sign in to Buy

Sundance LX Series Hi-Limit Sensor 6472-525

Sundance LX Series Hi-Limit Sensor 6472-525

p/n: 6472-525

Sundance LX Series, 2-Pin, 2016+

2 Available Sign in to Buy

Sundance Sweetwater Series Curled Hi-Limit Sensor 6600-144

Sundance Sweetwater Series Curled Hi-Limit Sensor 6600-144

p/n: 6600-144

1/4" Bulb, Curled Fingers, Used on Sweetwater Series

8 Available Sign in to Buy

Sundance Temp Sensor with Box End Connection 6600-167

Sundance Temp Sensor with Box End Connection 6600-167

p/n: 6600-167

Box End, Sundance

Out of Stock Sign in to Buy

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Sundance Temp Sensor with Box End Connection 6600-169

p/n: 6600-169

Box End, 50', Sundance

Out of Stock Sign in to Buy

Sundance Temp Sensor with Curled Finger Connection 6600-166

Sundance Temp Sensor with Curled Finger Connection 6600-166

p/n: 6600-166

Curled Fingers, Sundance

Out of Stock Sign in to Buy

Sundance/Jacuzzi Temp Sensor O-Ring 6540-228

Sundance/Jacuzzi Temp Sensor O-Ring 6540-228

p/n: 6540-228

O-Ring, Sundance/Jacuzzi

39 Available Sign in to Buy

Sundance/Jacuzzi Temp Sensor with Curled Finger Connection 6600-751

Sundance/Jacuzzi Temp Sensor with Curled Finger Connection 6600-751

p/n: 6600-751

Sensor, Temp, Curled Fingers, Sundance, 2016+

Out of Stock Sign in to Buy

Tecmark 66" Hi Limit Sensor 30393AA-02

Tecmark 66" Hi Limit Sensor 30393AA-02

p/n: 30393AA-02

66" Long (5/16" Bulb), Gatsby

12 Available Sign in to Buy

Tecmark 66" Temp Sensor 30393AA-01

Tecmark 66" Temp Sensor 30393AA-01

p/n: 30393AA-01

66" Long (5/16" Bulb), Gatsby

3 Available Sign in to Buy

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-25-K

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-25-K

p/n: 34-0203Y-25-K

Dual Sensor Kit, Y-Series, 25" Long, (1/4", 3/8" Bulb)

Out of Stock Sign in to Buy

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-36-K

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-36-K

p/n: 34-0203Y-36-K

Dual Sensor Kit, Y-Series, 36" Long, (1/4" Bulb)

6 Available Sign in to Buy

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-72-K

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-72-K

p/n: 34-0203Y-72-K

Dual Sensor Kit, Y-Series, 72" Long, (1/4" Bulb)

2 Available Sign in to Buy

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-STD-K

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-STD-K

p/n: 34-0203Y-STD-K

Kit, Sens, Tmp/Hl, Y-Series, 1/4" Bulb

6 Available Sign in to Buy

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-VH2-K

Temp/Hi-Limit Dual Sensor for Gecko Y Series 34-0203Y-VH2-K

p/n: 34-0203Y-VH2-K

Dual Sensor Kit, Y-Series, 72" Long, (3/8" Bulb)

2 Available Sign in to Buy

Temp/Hi-Limit Dual Sensor Kit for Watkins 34-01395-K

Temp/Hi-Limit Dual Sensor Kit for Watkins 34-01395-K

p/n: 34-01395-K

Fits Watkins, Includes O-Rings

59 Available Sign in to Buy

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Temp/Hi-Limit Sensor for Gecko Y Series 34-0222A-K

p/n: 34-0222A-K

Dual Sensor Kit, Y Series, 18" Long (3/8" Bulb)

4 Available Sign in to Buy

no image

Temp/Hi-Limit Sensor for Gecko Y Series 34-0222-K

p/n: 34-0222-K

Dual Sensor Kit, Y Series, 18" Long (1/4" Bulb)

5 Available Sign in to Buy

Vita Spa LX400 Hi-Limit Sensor 451116

Vita Spa LX400 Hi-Limit Sensor 451116

p/n: 451116

LX400 Series, 5' Long (3/8" Bulb)

5 Available Sign in to Buy

Vita Spa LX400 Temp Sensor 451115

Vita Spa LX400 Temp Sensor 451115

p/n: 451115

LX400 Series, 5' Long (3/8" Bulb)

2 Available Sign in to Buy

For over 42 years, Hydro Quip has been a trusted leader in innovative, high quality, and reliable portable spa and hot tub retrofit controls. We offer the industry's most extensive selection of controls and replacement parts, ensuring the perfect fit for any spa or hot tub. Driven by innovation and real-world functionality, we design products that meet the evolving needs of spa and hot tub retailers and service technicians, helping them deliver the best experience to their customers.

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