Thermowell Thru-Wall Spa Drywell
Thermowell Thru-Wall Spa Drywell
Thermowell Thru-Wall Spa Drywell
Thermowell Thru-Wall Spa Drywell
Thermowell Thru-Wall Spa Drywell
Thermowell Thru-Wall Spa Drywell

Thermowell Thru-Wall Spa Drywell

BX9980
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Mini Thermowell Assembly is a high quality through-wall spa drywell for accurate thermostat temperature control.

  • Drywell (⅜" ID)
  • Nut
  • Wall gasket
  • Rubber split bulb bushing

Product notes: Accepts ¼" to ⅜" diameter probe. 1⅛" mounting hole. For accurate sensing, locate dry well at average depth, midway between waterline and bottom of footwell. Replaces: 400-4427, 400-4420, 400-4428, 09-0044B
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Customers praised this thermowell sensor mount for being "easy to install" and working great. Most noted a snug, leak-free fit. Some mentioned drilling may be needed for tight sensor openings. Shoppers appreciated reasonable pricing, fast delivery, and helpful service. One noted it's a dry well so no sealant needed inside.

  • 5 stars: 6 (86%)
  • 4 stars: 1 (14%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
D
Dahspur
I would definitely buy this item again if needed.

The Hot Tub Drywell Sensor Mount that I purchased works great, was easy to install and cost me a reasonable amount to purchase. SpaDepot delivered the item promptly and at a good price. I am very pleased.

c
cactus j.
Fits perfectly. no leaks ,

Great service , fast shipping , right price!!!!

D
David S.
yes

I couldn't find a thru wall housing for a 1/4"" Sensor that I was sent with a new controller. I finally called your tech support. They steared me to this one. It came in a timely. Shipping was a flat rate that wasn't outrageous. Everything worked well. I did have to make the hole in the tub bigger. They tell you that in the instructions. People are siliconing every thing. No need for that. It is a dry well so water isn't getting inside of it. It comes with a gasket. Just have to make sure you put it on the water side. Put it in there. Tighten it up. Then put your sensor in. Simple as that. I don't think I'll ever do any controller that doesn't have a sensor in the tub vessel. to much variance between the readout & the actual water temperature

B
Bob C.
Tight fit

First, was unable to insert sensor into well. Was able to drill out without ruining sides, so turned out fine.

J
Jim t.r.
Yes

Works

M
Michele W.
Just what I needed, arrived quickly

It for the dimensions very snug as you would want it to. Very easy to figure out, apply sealant, and set. After it dried I measured probe. It was hard to get in because it needs to be to help completely seal. You do not want it to leak. I used a small smear of olive oil it went in, then put sealant on. It didnt leak.

D
David O.
Great service from Spa Depot.

First Thermowell was not correct size and the promptly sent me a replacement. Great people to work with and their service is fast.

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