High Limit / Temp Sensor Kit for Watkins Hot Spring No-Fault Heater

BX9683
Regular price $48.95
Regular price Sale price $48.95
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Replacement Hi-Limit & Temperature Sensor Kit with 36" cables fits Watkins Hot Spring® No-Fault heater's threaded thermistor ports. Guaranteed to equal or surpass OEM performance. Always replace both sensors together.

  • ½" thread Hi-limit Sensor w/2-Pin Molex connector
  • ⅝" thread Temp Sensor w/4-Pin Molex connector
  • Molex to AMP Plug Adapter Cable Set

Product notes: Molex plugs fit 2002+ model years (parts 39525, 39530). Included Adapter Cable Set converts Molex to larger AMP style plugs to fit pre-2002 models (parts 38415, 38416, 78969, 78970).

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This high limit/temp sensor kit effectively resolves heating issues for hot tubs. Customers praised "fast shipping" and "perfect fit" with correct connectors. Reviews highlight easy DIY installation in under 30 minutes, saving hundreds in service costs. The kit includes helpful adapters and O-rings. All 22 reviews rated 5 stars, noting "exactly what I needed" and compatibility with older models.

  • 5 stars: 22 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
P
Philip K.
Great stuff and a perfect fit

Shipped to me much faster than expected. Great stuff and a perfect fit. I am back and hot tubing!

U
Utgradcrna
Exactly what i needed! Fixed my hot tub! Very

Exactly what i needed! Fixed my hot tub! Very fast shipping. Item arrived well packed. Highly recommend! A++++

C
Chris O.
Just what I needed

The green light was blinking and I replaced both thermistors. It took a while to get going but is working now. I used the tub tonight. I needed the adapters so that was a nice feature. I will save the invoice in case I ever need these again.

R
Rick W.
Ordering and customer service

Exactly what I needed, Parts were right and Customer Service and delivery went smooth. Thanks.

M
Michael H.
spa heater repair

perfect fit, fast delivery

E
Edwin S.
Fast delivery and great price

This product was delivered quickly the price was very reasonable. Spa depot is the place to get your spa products.

T
T.M.
Perfect Fit

This high limit switch was exactly what I needed for my older hot tub. I was so happy that it worked! Thanks Spa Depot for still carrying this !

p
phillip F.
great fit

replacing these parts resolved my heating problem,

P
Puff
Quick Delivery Got us up and heated again.

Easy to order, good price and easy to install.

J
Jsizzle
I would buy this product again

Hot tub was probably 99 degrees or so but the digital display said it was maxed out at 109.... i replaced both sensors and now it appears to be fixed.... set at 104 and feels like 104.... very fast shipping. Will use again if needed in the future.

J
Jim t.h.
This part was the exact part I needed.

These folks are always so helpful and save me expensive repair costs.

M
Marcos, P.R.t.
Fast and Happy.

worked like it was supposed to.

H
Hot t.m.
Spa parts

Good service fast shipping good price

C
Chad S.
I would buy again, product worked fine.

I used the AMP connector adapter to connect a new heater from SpaDepot. We had just refilled the tub, added chemicals and the old heater died. After ordering the new heater I had a few questions and the customer service was excellent with quick answers. To avoid draining and refilling the tub I clamped the hoses using a c-clamp and hardwood slats. It worked fine with very little water loss. The new heater works great and I'm a happy customer.

B
Bobby D.
the pictures made the ordering easy

the customer service was helpful

R
Robert F.
Fit Perfectly

Good description of part online. Fast service and the part installed easily in a Hot Spring/Watkins Heater (6 kW) and IQ2020 Control Board. Works as advertised!!

M
Michael W.
Perfect

Changed it out and now have a working hot tub again!

J
Janie
By buying this product, we saved ourselves $150.00.

We had mice get into our control panel and after paying over $200.00 to replace the wires, within a week, they had chewed the wires again, so by buying this product, we were able to install it ourselves and mouse proof the wires (I hope).

J
John G.
Right Parts for the Right Price

This kit fixed my problem and fit properly for my Hot Springs Souverne Model Hot tub.. Green and Blue light emblem lights flashed but no heat.. Replaced with this kit and saved several hundred dollars in service charges and parts cost... Took less than 30 minutes.. Wiring was correct with the right connectors!! Shopping was fast and well packaged..

4
474ELEC
Works great

Works perfectly and less expensive than the OEM part.

J
Jane
Yes

We had mice get into our Hot Tub control panel. After paying someone $200.00 to repair Heating sensor, a week later they chewed through the wires again. Rather than pay repairman to come back out and pay another $200.00, we found the parts we needed and replaced the sensor wires ourselves and this time enclosed the wires in tubing to keep the rats from chewing the wires. Thank you for being there.

H
Hotsprings J.
High Limit / Temp Sensor Kit for Watkins Hot Spring No-Fault

This came as the correct parts. I purchased what was suppose to be the correct part from a local spa store which were not the correct parts and would not take them back due to being installed. Wished I would have ordered them first from SpaDepot. Nice to have O-rings part of the purchase.

E
Emilio

I have a 2011 hot springs prodigy H with a brand new circulation pump. It trips the breaker after being used for a while. It will say the temp is over limit, but it is a nice 102 in the tub. Will these sensors help?

SpaDepot.com

It sounds more like a circulation issue than a sensor issue. Any reduction in circulation, such as dirty filters or pump issues can cause the HL error code. Give us a call when you have a moment and we'll be happy to troubleshoot the spa with you to make sure you get what you need to get back up and running.

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