HydroQuip Lo-Flo Heater for Sundance/Jacuzzi 5.5kW

BX5958
Regular price $209.95
Regular price Sale price $209.95
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Snap-Grip Hose Clamps 4-Pack 3/4" - 1-1/4"
Snap Grip Hose Clamps
¾" - 1¼" 4-Pack
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HQ Low-Flow Square-Back Hot Tub Heater Assembly for Sundance/Jacuzzi spas. Titanium element. Meets or exceeds Laing OEM (Laing no longer makes heaters).

  • Long-life Titanium heater element
  • Hi-Limit Reset button
  • 5.5kW@240V / 1.375kW@120V

Product notes: Compatible for use in Sundance Jacuzzi models J-300 LED series (2008+ J-375, 2007+ J-365 & J-355) J-320, J-325 (except 2004 & 2008+). J-330, J-335, J-340, J-345, J-270, J-280. J-230 2008+. and others. Jacuzzi® and Sundance® are trademarks of Jacuzzi Brands, LLC.

Spa Heater Installation Instructions 

Details

Dimensions: 23¼”L x 11”W

Connection: ¾” Barbed Fitting

Voltage: 240V/120V

Wattage: 5.5kW @ 240V - 1.375kW @ 120V

Ground Wire: 3-Wire w/ ¼" Female Spade Connectors. (male connectors also provided)

Replaces Part Numbers: 6698.1, C3229-1A, C3229-2A, 6500-402, 6500-403, 58371, 26-3229-2A-7T-K, SEH-5500-NH-6698

 

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Customers praised this 5.5kW heater as a "perfect fit" and "direct replacement" for various spa models. Most found installation straightforward with pre-attached connectors. However, some noted missing drain plugs, short wires requiring extensions, and reset button placement issues requiring control box modifications. Overall, shoppers appreciated competitive pricing and reliable heating performance.

  • 5 stars: 62 (90%)
  • 4 stars: 2 (3%)
  • 3 stars: 2 (3%)
  • 2 stars: 1 (1%)
  • 1 star: 2 (3%)
R
Robert B.
Part was perfect except it didn't have the drain

Part was perfect except it didn't have the drain plug in it. After installing it, filled the hot tub and water poured out of the drain port. Had to find the old part and take the drain plug and install it on the new part. Shouldn't the new part have the drain plug already installed on it?

T
TFalslev
Worked Great! exactly what I

Worked Great! exactly what I needed

T
Todd Y.
Spa heater

Everything as stated in communication happened.

D
David G.
Jacuzzi J335: Fit nicely and relatively easy to do

We replaced the heater on our Jacuzzi J335 tub after the OEM heater died. While it's a bit of a process to get the old heater out, there are YouTube videos that detail it very well and a heat gun to loosen up the various hoses is your friend.

Getting the new one in wasn't much harder, just need to be detail oriented to check all the water connections are done up, hose clamps in place, etc., the electrical connections are correct and all grounds in place. We were able to remove & reinstall in probably about two hours of work. Now that we know how to do it, it could probably be done in less than half that.

S
Spa B.
Low flow spa heater

This will be the second low flow spa heater I have purchased both have been perfect fit easy to install with the connectors are already on the wires

S
STACEY W.
Spa heater

Great direct replacement and it was easy to install

Z
Z.S.

It was perfect

E
Eric F.
Replacement part

Not only did the replacement part fit perfectly it was an upgrade because I converted my hot tub to salt water and the new heater has titanium element which means it will last much longer than the old one di8d

G
Gerald G.
Worked well on a Jacuzzi J-350

The part fits well and works great.

D
David G.

Haven’t installed yet but very timely delivery

C
Christine

Worked perfect!!!

R
Ryan C.
Manufacturer Defect causing leak

After a difficult install during s -20 cold snap, the heater was leaking internally. The heater was removed for inspection. A leak was found internal to the attached electrical box. A close inspection shows the stainless tube was not formed properly (too short) which meant the rubber compression seal could not seal on the tube properly. I was forced to use silicon to seal the tube properly. Hopefully the repair gets us through the winter.

C
Christopher S.
Good replacement for Jacuzz J365 spa

Bought this to replace the heater in Jacuzzi J365 spa. SpaDepot is one of the few places that stocks all of the parts for my equipment at fair prices. Their site makes it easy to find the correct parts for people that do the repairs themselves

J
J345
Great service and quick delivery of new heater

Replaced old corroded heater in J345 hot tub. Directions were clear and easy.

W
WILLIAM B.
Perfect Fit

Went in with a little maneuvering and works Perfectly.

C
Chris P.J.
works great as expected and good service

good service when I called. part works.

P
Paul G.
Great service, fast delivery

Although not a perfect fit, the low-flow heater was fairly easy to install.

l
lou
Fits perfectly and works

Fits perfectly and works as expected, I only had to replace one short hose that was too hard and it had to be cut

C
Customer
I would purchase this again

Perfect fit

J
Jimmy W.
Perfect replacement spa heater

Fast service, with no additional surprise shipping/duty cost. Direct replacement heater for my Jacuzzi 2006 model J345, installed with no issues. Working as expected after replacing main circuit board due to blow relays.

S
Spa g.
Great service

Fit perfect. Great service

J
Jack l.v.
Fit perfectly, fast shipping

The reset button required to drill throught the control box, otherwise, work perfectly.

F
FixerDale
Correct part for my Spa

This was the correct replacement part My spa was not heating despite the circulation pump pumping water. I wanted the replacement heater on hand before digging into the repair. Once apart I saw a suspect old lookin fuse to the heater that tested open. Changed the 30 amp fuse and it fixed the issue. I am keeping the new heater as a spare to use in a future replacement in my older spa. Heaters will fail eventually fail over time.

R
Rex L.
It's working as expected

I put it in my spa, it is working well, good product.

C
Customer
I would buy this product again without any hesitation

This product fit my Sundance hot tub and it works great

E
Ethan
I would not purchase again.

I would have been happy with my purchase EXCEPT for one issue. This heater has a manual hi limit reset on it. When properly installed on a Sundance, the reset button end up tight against the back of control box. I had to drill a hole in the backside of the control box. This leaves the access to press the reset inside of control box. Therefore not accessible or safe to reset. Having to drill a hole in control box for installation leaves this a job many technicians couldn't do, and certainly not a customer. Otherwise the heater is great. I would not recommend it for a Sundance application though!! (as it was advertised to be a replacement for. )

G
GP
Great Price

Heater went in with very few problems. At first I didn't feel any warm water coming thru and I thought it was defective, but after a little while the water started to warm up and has been working perfectly ever since. The price on this heater was very competitive and was delivered in just 3 days, amazing customer service.

T
Tiggy
Great heater

Brought hottub from dead clod up to temp in no time.

K
Ken
Great service and communication

I knew what the status of my order was at every step.

C
Carolyn A.
I will purchase supplies and parts, as needed.

Our spa is used for pain relief

P
Papa
Great parts great fit working perfectly

Factory parts for an old tub. Great inventory

R
Ron

need to verify that it fits my 2010-2011 jacuzzi j-365 tub, can't find a model number on the old heater and don't know if there were any different options for that tub. also some vendors state that the wiring may be too short on their products.
thanks

SpaDepot.com

We're happy to help verify the correct replacement heater. Please email us (help@spadepot.com) a photo of your current heater, as well as a photo of any stickers on the heater.

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