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ilustr8tor Samba Member

Joined: November 07, 2010 Posts: 430 Location: Maryland
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ilustr8tor Samba Member

Joined: November 07, 2010 Posts: 430 Location: Maryland
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Posted: Tue Dec 25, 2018 3:41 pm Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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read some old posts on here and the consensus is they are high quality _________________ I love this analog addition to my over digitzed life. |
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Tim Donahoe Samba Member

Joined: December 08, 2012 Posts: 11787 Location: Redding, CA
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Posted: Tue Dec 25, 2018 11:06 pm Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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They sell new thermostats (guaranteed a year, I think), and they sell good used OEM ones (no guarantee).
I haven’t heard any bad flak about them.
Tim _________________ Let's do the Time Warp again!
Richard O'Brien |
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planenut Samba Member
Joined: April 12, 2012 Posts: 334 Location: Georgia
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Posted: Wed Dec 26, 2018 4:26 am Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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I've used one for a couple of years, and so far, it works good. No complaints. |
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themrfreeze Samba Member
Joined: June 29, 2018 Posts: 62 Location: Rochester NY
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Posted: Thu Dec 27, 2018 9:33 pm Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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Just bought one a month or two ago for my Bug...will be installing it in the spring when the car comes out of storage. Seems well made...tested it with a heat gun and it seems to expand and contract properly. |
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Nick_K Samba Member

Joined: March 07, 2023 Posts: 25 Location: PA
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Posted: Fri Jul 18, 2025 9:20 am Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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I've had three of them fail in the past year or so. Maybe something changed in the materials he uses to seal these. I don't think there's anything I'm doing when installing that is causing the failures. Got one directly from AP in December 2023 (failed and replaced/repaired after about 1500 miles, now replacement has failed after about 2000 miles), and another from a different vendor that also failed in a similar short time. I was hoping maybe the other vendor had older/better stock but I guess not.
All were type 4. Other versions may be different. |
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zerotofifty Samba Member
Joined: December 27, 2003 Posts: 3785
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Posted: Fri Jul 18, 2025 2:05 pm Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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Use the bellows type, do NOT use the spring with wax chamber type. The bellows type will fail in the safe, full cooling position, the spring loaded wax filled chamber type will fail in the unsafe, closed, no cooling position, which can destroy your motor.
below is the BAD spring wax filled chamber thermostat, DO NOT USE this type!!!!!!! When it heats up, the wax expands in the chamber, pushing a piston that fights the spring (stretching the spring) this then opens the flaps for full cooling. when the seal in the wax chamber fails, the wax leaks out, and will no longer stretch the spring, thus the spring will hold the flaps closed, assuring that your engine does NOT get cooling air when warmed up
Bad type...
The bellows type will fail if it leaks, gets a crack, but it will fail so that the flaps open so you get full cooling. The bellow will fully expand when it fails, as when sealed and cold, a vacuum keeps the bellows collapsed, loose the vacuum do to heating (liquid inside the bellows when heated boils, and thus increases the pressure inside) or a leak (air will rush in and expand the bellows), and presto, she expands and your flaps will be open for full cooling A very safe design. _________________ Sorry About That Chief.
Give Peace a Chance.
Words to live by. |
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aquifer  Samba Member
Joined: August 30, 2021 Posts: 350 Location: Nebraska
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Posted: Fri Jul 18, 2025 4:29 pm Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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I bought one from them last year. Bellows type. Supposedly NOS, which I believe to be true. It seems like good quality to me and it's working properly. I also bought a refurbished flap kit at the same time, and the quality of that was good too.
Side note: When I first placed my order, I heard nothing back, no order confirmation, nothing, for a couple weeks. I was a little nervous because I had paid the money via PayPal, so I followed up with an email and they replied that they were behind and hadn't gotten it done yet. Fair enough, but acknowledging the order or letting me know they were behind would have made sense to me. Anyway, I did get the order not long after that and I'm happy with the quality. _________________ Parts needed:
Front & rear NOS or used OEM door panels for a '67 in the original Gazelle color (dark tan/light brown).
Also looking for used white headliner pieces, both perforated and non-perforated. |
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SLO-N-LO-69 Samba Member

Joined: July 06, 2006 Posts: 646 Location: Central Florida
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Posted: Fri Jul 18, 2025 4:55 pm Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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aquifer wrote: |
I bought one from them last year. Bellows type. Supposedly NOS, which I believe to be true. It seems like good quality to me and it's working properly. I also bought a refurbished flap kit at the same time, and the quality of that was good too.
Side note: When I first placed my order, I heard nothing back, no order confirmation, nothing, for a couple weeks. I was a little nervous because I had paid the money via PayPal, so I followed up with an email and they replied that they were behind and hadn't gotten it done yet. Fair enough, but acknowledging the order or letting me know they were behind would have made sense to me. Anyway, I did get the order not long after that and I'm happy with the quality. |
I'm having the same problem with an industrial tins order. Its been a few weeks with nothing. I guess I'll have to email them. |
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KingAir42 Samba Member

Joined: May 24, 2002 Posts: 618 Location: Bakersfield California
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Posted: Sat Jul 19, 2025 11:32 am Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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I bought two from them. A full flap setup with a thermostat and a throttle ring setup with a thermostat. Both have been working flawlessly. _________________ A stitch in time saves nine |
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Bug-nut Samba Member

Joined: December 20, 2015 Posts: 494 Location: Knoxville, TN
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Posted: Sat Jul 19, 2025 7:48 pm Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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I bought a thermostat from him for my 36’er over 6 years ago and it is still going strong. Have you reached out to him about the multiple failures? I’m sure he would want to look into what’s going wrong so they could be improved. _________________ 1959 Fjord Blue Volkswagen Beetle
http://www.thesamba.com/vw/forum/viewtopic.php?t=6...highlight=
1962 Austin-Healey Sprite
Snort wrote: |
A 59 Beetle is just an Oval-Window car with aspirations of modernity. |
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Nick_K Samba Member

Joined: March 07, 2023 Posts: 25 Location: PA
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Posted: Mon Jul 21, 2025 9:39 am Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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Bug-nut wrote: |
Have you reached out to him about the multiple failures? I’m sure he would want to look into what’s going wrong so they could be improved. |
Yep. He's replacing the latest one. Told him how that one seemed to only partially fail so that it only returned halfway to cold position, which seems impossible unless it got hung up on the bracket or maybe if the cable slipped where it attaches to the flap rod. I checked and it cleared the bracket OK and the cable was still clamped where it should be. That half-way thing only happened a few times that I saw before it failed to the fully expanded state, so maybe there was a very tiny pinhole leak?
The one I have installed now has been working fine for about 1000 miles (I do a lot of short trips so that's actually a lot of warm/cold cycles) and isn't doing anything weird yet, so maybe I was just really unlucky and the first two and one replacement all came from a batch with weak solder or something? I feel like I have a "talent" for finding the worst part in the run, so it wouldn't surprise me at all if nobody else ever had an AP thermostat fail. |
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viiking Samba Member

Joined: May 10, 2013 Posts: 3169 Location: Sydney Australia
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Posted: Mon Jul 21, 2025 4:15 pm Post subject: Re: Anyone ever buy this thermostat? Awesome powdercoat |
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My understanding is that you should never test a bellows thermostat unrestrained outside of its holder. To do so allows the bellows to stretch past its normal position leading to damage.
I wonder how many people heat their new thermostats up to see if it works and then find out that their thermostat is damaged "out of the box"? _________________ 1968 1500 RHD Lotus White Beetle since birth. In the hospital for major surgery
1966 Lancia Flavia Pininfarina Coupe - in the waiting room
Discharged: 1983 Vanagon, 1974 1800 Microbus,1968 Low Light,1968 Type 3 |
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