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Seat heater elements

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=47188
Printed Date: March-28-2024 at 11:47am


Topic: Seat heater elements
Posted By: slmskrs
Subject: Seat heater elements
Date Posted: February-10-2019 at 11:01pm
Has anyone installed seat heaters in their boat? I'm in the process of getting new skins for my '97 SN and am looking for recommended brands. Hard to tell which are good and will hold up. I've actually been using a $20 car seat heater that straps on the seat and it works fairly well. But since I'm doing the upholstery, I am going to do the driver seat cushion as well as the observer seat cushion and back.

Anyone with any experience installing them? In particular, the seat cushions have two different pieces of foam with different heights and skin material runs between the two foam pieces to the frame to pull the seat material down in the gap. Not sure how I'm going to d elements there although I understand you can cut the elements to shape (in one direction only).

Anyway, anyone with experience with this?

Thanks,

Gordon

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Gordon '97 Ski Nautique, GT40



Replies:
Posted By: Mojo
Date Posted: February-11-2019 at 10:14am
First time hearing of anyone doing this... I'm no engineer, but I wouldn't want to do with anything where water and electricity would come in contact with anyone in my boat.. People in boats are for the most part "wet". Especially ski boats..

I would invest in a standard hot air heater made for that application and stay clear of wires any water.....

Just my 2 cents..

Moj'

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05' SV211 TE
73' Martinique
had:96' SNOB
had:76' Nautique
had 77 Tique

       



Posted By: kylem428
Date Posted: February-11-2019 at 10:23am
I put a seat heater kit in my wife’s 4-runner a few weeks ago so I have a little experience with them. They would be really easy to install on a boat seat if you already have the upholstery apart. Also, they can be cut length-wise. My understanding is that the heater element is carbon-fiber. That said, they are encased in a fabric which doesn’t look waterproof, so shorting out with a wet seat condition could be an issue. I got a 2-seat kit (4 pads total) with switches off eBay for $80 for reference.

Kyle


Posted By: TRBenj
Date Posted: February-11-2019 at 10:31am
Many oem’s including MC and presumably CC offer heated seat options, so I don’t have the same concerns as Mojo. A quick google search revealed plenty of aftermarket kits that are appropriate for wet environments (boat, motorcycle). I will absolutely be pursuing these myself when it’s time to reskin my Bfn (to compliment the hot air heater I’ve already got). Also curious to hear anyone’s feedback on specific brands... good thread!


Posted By: rosconole
Date Posted: February-11-2019 at 10:50am
Unless you jump in it alot soaking wet, Jeep ones probably designed for a more moisture than not . Their is alot of ones out there . I would just sit on a heating pad, I think they have some plastic coating.. I think a boat heater sounds like what would work better 3 outlet style. Its not a car or escalade ,its a boat.

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1989 ski nautique ,1991 barefoot nautique, 1993 Mustang Cobra 1998 5.0 Magazine shootout invitee


Posted By: JoeinNY
Date Posted: February-11-2019 at 10:53am
I have been on boats with seat heaters, and when they are there I used them regularly in the shoulder seasons – they can be quite nice especially when combined with the typical vented heater.   While water and electricity aren’t the best of friends this stuff is all low voltage and should be safe enough, although care on installation is likely needed for the elements to have a good long life. There’s plenty of youtube videos on the install of both seat heaters and boat seat covers combine the two and you should be ok. The nautique specific bits would be related to safely powering the heaters. There is typically not sufficient wiring to the dash to support the current needs of such heaters so you need upgraded or dedicated power lines. Additionally, if you want the ignition switch to be on to use the seat heaters (and you do or eventually you will kill the battery) then I would suggest you add a relay in addition to dedicated and fused wiring back to the engine (or the battery).   I don't think you are likely to have more than 3-5 amps per seat, but I have seen boats where that was enough load on the ignition circuit that the ignition system wouldn’t get proper voltage at speed to run the engine, particularly when combined with the current draw from the heater fan.

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http://www.correctcraftfan.com/diaries/details.asp?ID=1477 - 1983 Ski Nautique 2001
1967 Mustang 302 "Decoy"
http://www.youtube.com/watch?v=cO5MkcBXBBs - Holeshot Video


Posted By: phatsat67
Date Posted: February-11-2019 at 11:05am
I agree with Joe on using a relay given the voltage to dash issues we deal with even without accessories.

CC has been heating the driver and passenger seats since 2013/14 IIRC. Great add on and switches can be fully hidden under the dash.

I need to do the seat bases in my BFN so that will likely be on the list of things to do while those skins are being redone.


Posted By: Hollywood
Date Posted: February-11-2019 at 11:23am
Grant West did this on Bling*Bling over 10 years ago.


Posted By: slmskrs
Date Posted: February-11-2019 at 1:39pm
Thanks folks. Good feedback. For the record, I do have a four vent Heatercraft heater with circulation pump so I get heat even when the engine is off. :)

Absolutely these will be on a relay (as is my heater, stereo, etc.). As has been pointed out, it is an option on Nautiques, MC, Centurion, etc. The trick is finding good ones that will not be a problem with some moisture. Low voltage and a max of under 4 amps per pad, so not a huge draw (although the observer seat will draw more.

I'll keep looking at various elements and let everyone know what I end up using. Or if anyone has a good link to ones for outdoor use, that would be great. I saw an old link to one for a snowmobile, but it's not available now...

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Gordon '97 Ski Nautique, GT40


Posted By: 8122pbrainard
Date Posted: February-11-2019 at 4:27pm
Gary,
No comment? I thought you were an expert on heated (and cooled) seats.

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/diaries/details.asp?ID=1622" rel="nofollow -

54 Atom

/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique

64 X55 Dunphy

Keep it original, Pete
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Posted By: Gary S
Date Posted: February-11-2019 at 4:44pm
I think it's a great idea,it will be interesting what he finds out. I won't even buy a car with out a heated wheel now though

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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport


Posted By: tryathlete
Date Posted: February-11-2019 at 10:20pm
I can’t see the need. On second thought I want heated seats.


Posted By: TrevorB
Date Posted: February-12-2019 at 2:13am
I installed this kit from Amazon in the passenger seat last spring. I ran it lengthwise on the lower level of the foam. Didn't need to cut the length. Had to extend the wiring harness to put the switch in the dash. I thought this would never get used but gets much more use than the heater. Looking to do the driver seat also.
https://www.amazon.com/gp/product/B00F3EKJ5Y/ref=ppx_yo_dt_b_asin_title_o07__o00_s00?ie=UTF8&psc=1

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1995 SNOB GT-40


Posted By: gt40KS
Date Posted: February-13-2019 at 6:18pm
Hmmm.... I'm just amazed that Pete hasn't brought out the whole "KEEP IT ORIGINAL" statements that I so routinely used to see....    

BTW .... I think it's a great idea as well and might be interested in looking at it myself.   

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JCCI
1995 Ski Nautique GT40


Posted By: man0seven
Date Posted: February-14-2019 at 4:37pm
I am in the process of doing this. I will post pictures as i do it. I believe it should be really easy. FWIW I believe that it is wet rated.
https://www.amazon.com/gp/product/B00AKFISW2/ref=ppx_yo_dt_b_asin_title_o07__o00_s01?ie=UTF8&psc=1" rel="nofollow - Seat Heaters

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2005 Ski Nautique


Posted By: Brit_hunsicker
Date Posted: February-14-2019 at 7:21pm
I’m in the process as well. Heaters were on the slow boat from China I’m pretty sure. They just made it state side yesterday so I should have them some time next week. Doing the captains chair (bottom/back) and observer seat (bottom/back). I will post pictures when they arrive and I get them positioned.


Posted By: man0seven
Date Posted: February-14-2019 at 9:26pm
@brit, How are you going to do the Captains back? With the three rolls?
I wasn't planning on it on mine.

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2005 Ski Nautique


Posted By: Brit_hunsicker
Date Posted: February-14-2019 at 11:25pm
Originally posted by man0seven man0seven wrote:

@brit, How are you going to do the Captains back? With the three rolls?
I wasn't planning on it on mine.

Sorry, I’m doing it on a 2001 SAN. It has a flat back.


Posted By: slmskrs
Date Posted: February-16-2019 at 2:52am
Originally posted by man0seven man0seven wrote:

@brit, How are you going to do the Captains back? With the three rolls?
I wasn't planning on it on mine.


I talked with a friend with a Centurion with heated seats. He said his driver seat only has the seat bottom heated, while the observer seat has both. That's what I'm planning to do.

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Gordon '97 Ski Nautique, GT40


Posted By: slmskrs
Date Posted: February-16-2019 at 3:02am
Originally posted by man0seven man0seven wrote:

I am in the process of doing this. I will post pictures as i do it. I believe it should be really easy. FWIW I believe that it is wet rated.
https://www.amazon.com/gp/product/B00AKFISW2/ref=ppx_yo_dt_b_asin_title_o07__o00_s01?ie=UTF8&psc=1" rel="nofollow - Seat Heaters


These look good except that I think round switches will be easier to install, so I'm looking for another version. The driver seat cushion will be easy, but I'm not sure about the observer seat. Looks like I need to use two seats worth but cut one down since I want the whole observer seat to be warm (for two observers). Or I could just do one side and only one person is warm.....

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Gordon '97 Ski Nautique, GT40


Posted By: Brit_hunsicker
Date Posted: February-20-2019 at 8:10pm
Here is a few pictures of the heaters laying on the seats how they will set.






This one is not lined up very well so it looks like it’s about 6” too long but it’s really only about 3” too long. It will wrap around the bottom about 3”.


Posted By: MrMcD
Date Posted: February-21-2019 at 1:02am
I have installed Seat Heaters, not in my boat but in my GM Tahoe. They are nice to have for sure.
Two issues I would need to consider in a boat.   These things drink electricity, pretty strong amp draw. You may need a larger alternator to offset the new demand.

I am not sure how they will perform when wet, Boat Seats get wet, not sure it this will work and be safe or how long they will last if frequently wet..   Curious to know your thoughts.

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Posted By: slmskrs
Date Posted: February-21-2019 at 2:26am
Originally posted by Brit_hunsicker Brit_hunsicker wrote:

Here is a few pictures of the heaters laying on the seats how they will set.


This one is not lined up very well so it looks like it’s about 6” too long but it’s really only about 3” too long. It will wrap around the bottom about 3”.


Thanks for the pictures!! Looking forward to see how it goes. I just purchased the elements and my skins should arrive next week so I can try to install them the following weekend.

Question: It looks like your driver seat cushion is like mine, with a front and rear foam sections. The seat skin has a flap that is pulled down between the front and rear sections to hold down the material and make it look like two parts. The element obviously won't fit there with the flap, so the options are to either not have the flap pulling down the skin (may look funny), or using two separate elements for the front and back side. I'm looking to use two elements, but I won't decide until after I get the skins back.

Let us know how it goes. Appreciate the pictures!!! Since I"m doing the same thing in a week and a half, I really appreciate this!!!

Gordon

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Gordon '97 Ski Nautique, GT40


Posted By: slmskrs
Date Posted: February-21-2019 at 2:29am
Oh, I'm not doing the driver seat back but am doing the observer seat back. My seat back is open on the lower part, and the upper part consists of three 'pillows'. I have been using a cheap plug in car seat heater (about $20 on Amazon) for years. The bottom side is great (very warm and comfortable). However, since I'm usually in a warm coat when driving, I don't really feel the warmth of the seat back. Besides, it is not practical to try to put elements in the 'pillows'.

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Gordon '97 Ski Nautique, GT40


Posted By: slmskrs
Date Posted: February-21-2019 at 2:30am
Sorry, not clear. I'm doing the driver seat bottom cushion but not the seat back. I'm doing both the seat back and seat bottom on the observer seat.

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Gordon '97 Ski Nautique, GT40


Posted By: Brit_hunsicker
Date Posted: February-21-2019 at 12:42pm
Originally posted by slmskrs slmskrs wrote:



Thanks for the pictures!! Looking forward to see how it goes. I just purchased the elements and my skins should arrive next week so I can try to install them the following weekend.

Question: It looks like your driver seat cushion is like mine, with a front and rear foam sections. The seat skin has a flap that is pulled down between the front and rear sections to hold down the material and make it look like two parts. The element obviously won't fit there with the flap, so the options are to either not have the flap pulling down the skin (may look funny), or using two separate elements for the front and back side. I'm looking to use two elements, but I won't decide until after I get the skins back.

Let us know how it goes. Appreciate the pictures!!! Since I"m doing the same thing in a week and a half, I really appreciate this!!!

Gordon

The first picture I posted was the driver seat bottom. You’ll notice the heating pads have gaps between the elements. I drew a line and wrote the word pull where that vinyl will get pulled down. It lined up perfect to where the pull is between to heating element sections. The pad will be cut in the middle between the outer edges where the circuitry wiring is. I have really left it up to the upholsterer to fine tune it so we will see how it turns out. Should have these pieces back next weekend. I will update once finished.


Posted By: slmskrs
Date Posted: February-21-2019 at 5:34pm
[/QUOTE]
The first picture I posted was the driver seat bottom. You’ll notice the heating pads have gaps between the elements. I drew a line and wrote the word pull where that vinyl will get pulled down..[/QUOTE]

Ah, I didn't notice the gap in the heating elements where you drew the 'pull' line. Makes sense now. Looking forward to more pictures, etc. :)

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Gordon '97 Ski Nautique, GT40


Posted By: slmskrs
Date Posted: February-27-2019 at 4:04am
Hey Brit,

Did you get your skins back? I got mine on Monday, so I'm going to attempt the seats this Saturday. If you've done any of them, I'd love to see some pictures, especially how you did the pull downs. Looks like you will cut through the section without the elements in the middle, and pull the seat pull down skin through that opening to staple to the frame. I haven't had a chance to lay out the elements on the cushions yet; may not get to it until Friday evening.

I'll also have to figure out how to route the driver seat wiring. My carpet is shot but I'm thinking of replacing it with Sea Dek, but don't know if I will be able to make it look good or not. I guess I could drill down through the floor underneath the seat frame into the bilge, and then route the wiring up to the bow. That's probably the cleanest, but permanent wiring will happen after I'm done and all the seats work. I'm thinking I'll mount the seat heater switches by the heater switch (next to the ignition lanyard behind the throttle).

But first is getting the seats put back together with the elements. Fingers crossed....

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Gordon '97 Ski Nautique, GT40


Posted By: slmskrs
Date Posted: February-27-2019 at 4:16am
Originally posted by man0seven man0seven wrote:

I am in the process of doing this. I will post pictures as i do it. I believe it should be really easy. FWIW I believe that it is wet rated.
https://www.amazon.com/gp/product/B00AKFISW2/ref=ppx_yo_dt_b_asin_title_o07__o00_s01?ie=UTF8&psc=1" rel="nofollow - Seat Heaters


Hey Man0Seven, how are you doing with this? Since you have a '98 (I have a '97), it should be just about identical. BTW, if you have done the driver seat back cushions (pillows on the driver seat back), please let me know how you do them (what order, etc.). Step by step pictures would be great if you have them. That's what I'm most concerned about, making them look good. The heater element will only be in the seat cushion (bottom) of the driver's seat, while the observer seat will get both seat back and bottom. That part will be fairly easy (assuming I can get the pull down done correctly with the seat element in place.

I'll plan on taking pictures myself.

Gordon

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Gordon '97 Ski Nautique, GT40


Posted By: man0seven
Date Posted: March-01-2019 at 3:03pm
@slmskrs
I just found my stainless steel staples so I can finish.
Yes, I am cutting through the pad and then pulling the tuck through and stapling it back down.



The observer seat I am going to do ask pictured.


Then one in the back.


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2005 Ski Nautique


Posted By: slmskrs
Date Posted: March-02-2019 at 12:46am
@manoseven

Thanks for the pix.

I was looking to do it differently, but maybe my elements are not the same size as yours.

I want the driver seat to be warm the width of the seat, so with the elements I have, I'm thinking of using two elements and just shortening the one towards the back of the seat that is a little long (see below). The pix view is of the front of the cushion and the front element is just about the right size for the width of that piece of foam. You can see that the back element is a little too long, but since you can trim the length, that's no problem. I'll also have to deal with routing the wires on the sides, but it will be on the right side so no-one will see it. Also, I won't have to deal with cutting a slot and pulling the flap down between the two foam pieces to staple them. :)




For the observer seat bottom, it looks like I need three elements (with the pull down cut out) to cover the seat. I want the raised front of the seat bottom heated (like the driver seat) so it looks like I'll have to cut a slit through each and pull the flap of the skin down. On the other hand, I am not an observer too much in my boat, so maybe I don't worry about it... :)

I was going to put one or two elements on the observer seat back, but either I didn't mark it up or didn't give good enough instructions, because the person that did the skins put foam on the back of the seat back skin (the driver and observer seat bottom skins don't have foam where the elements will go). So I guess I'm just not going to do the observer seatback since no-one will feel it.



Anyway, I'm working on it tonight (getting everything situated) and will probably install the observer seat back and driver seat back skins (and those three cushions--not looking forward to that part...). Then tomorrow I'll make the final decision on element orientation and do the seat bottoms.

@manoseven, wish you were in N Cal; would love to come watch/help you do it this weekend. But we'll see how it goes. It's supposed to rain most of the weekend so may not get out to the course anyway. But worst case it gives me more time to get the upholstery and heating elements done (don't have a tow vehicle this weekend either so glad it's raining...).

Question for anyone that knows: How are you supposed to use the "clips" that came with the elements? Just stick them through the edge of the element material and then into the seat foam? What's the chance of the elements 'slipping'? I bought two sets of elements. One was a set of four elements, and it came with the hooks, and the other (same manufacturer) was a set of two elements, but didn't come with the hooks....


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Gordon '97 Ski Nautique, GT40


Posted By: slmskrs
Date Posted: March-02-2019 at 5:46am
So, I did the driver's seat the way I showed. But I decided to follow @manoseven's layout on the observer seat bottom. The other way would have been too much of a hassle.




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Gordon '97 Ski Nautique, GT40


Posted By: Brit_hunsicker
Date Posted: March-03-2019 at 9:55pm
Originally posted by slmskrs slmskrs wrote:

So, I did the driver's seat the way I showed. But I decided to follow @manoseven's layout on the observer seat bottom. The other way would have been too much of a hassle.



How about those directions that came with the elements?? Ha ha it looks like they used Chinese to English translator on Google and didn’t have anyone that spoke both languages proof read it! I was cracking up reading through those!


Posted By: slmskrs
Date Posted: March-04-2019 at 2:42am
Originally posted by Brit_hunsicker Brit_hunsicker wrote:


How about those directions that came with the elements?? Ha ha it looks like they used Chinese to English translator on Google and didn’t have anyone that spoke both languages proof read it! I was cracking up reading through those!


Yeah, that was BAD!! Amazing that companies can't have someone look first!

I got the observer seat bottom completed as well as the driver seat bottom (below pix). The upholstery company offered to redo the observer seat back without foam so I can put the elements on, so I'm going to re-do the observer seat back.

Two questions (for anyone that happens to know):
1. Does anyone know if it is possible to drill down under the driver seat into the bilge? I'd like to route the seat elements through the bilge to the dash (mounting the switch behind the throttle)?.
2. Anyone know if you can put two sets of elements on one switch? Since I have two elements on the observer seat bottom (and will have two on the observer seat back), I'd like to put all four on one switch. I'll ping the manufacturer just in case.



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Gordon '97 Ski Nautique, GT40



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