Sunfrost RF-16 latch system

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stmar

Member
Sep 12, 2014
210
Wyo
Has anybody with a Sunfrost refrigerator/freezer found a better latch system than the OEM? Over 20 years we have worn out about a half dozen, down to my last two so wanted to know if there is a chance of improving. I was thinking of a magnet, like on some cabinets, if I can find one strong enough to get a good seal. Also, speaking of seals, what kind of door seal are you using? I think mine are okay but would like other options when I need to replace those. Sunfrost said they stock V seals, whatever that means. Thanks for the input, much appreciated.
 

begreen

Mooderator
Staff member
Nov 18, 2005
89,681
South Puget Sound, WA
Moved to the DIY section for some brainstorming. Can you post some pictures of the latching mechanism. I am wondering if something from the pellet stove door latch system on some stoves might be adaptable.
 

stmar

Member
Sep 12, 2014
210
Wyo
It is a stab type latch. I saw some strong mag latches for cabinets, 15 lbs. so that seems like an option. See attached pic.
 

Attachments

  • latch.jpg
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stmar

Member
Sep 12, 2014
210
Wyo
It is made of a hard plastic/fiber, the hook/stab part is rounding off and the receiving unit is also wearing. The receiving unit has a tab that pulls out on open and goes in at close, that tab holds the hook on close.
 

clancey

Minister of Fire
Feb 26, 2021
1,398
Colorado
I looked on e-bay for the heck of it to see if I could find something like what you are looking for thinking that it would be hard to find--never heard of the refrigerator and to my surprise its a real going business and their refrigerators are very nice at the same time..Never found anything on e bay in regard to your item but came up with the company telephone number and pictures and would not you think that those latches should be made with steel or something for longer wear? mrs clancey
 

stmar

Member
Sep 12, 2014
210
Wyo
They are a high end frig for alternative power, 24 vdc, and I am sure I can get replacement parts from Sunfrost but I want something better. May try that magnetic cabinet latch, can pick them up from Home Depot for a few bucks and it looks like I can mount the same as the original with minimal modifications. Just though someone would have gone through this before but I guess it is a rare refrigerator.
 

begreen

Mooderator
Staff member
Nov 18, 2005
89,681
South Puget Sound, WA
I have seen that type of latch in metal I believe. I'm wondering if a lever catch or a draw catch would work at providing a more positive shut.

Search on metal cabinet latch for options.

Amazon product
 

peakbagger

Minister of Fire
Jul 11, 2008
6,486
Northern NH

begreen

Mooderator
Staff member
Nov 18, 2005
89,681
South Puget Sound, WA
Yes, that is where my thinking comes from too, after building a couple of high-end sailing yachts. We used a lot of Sugatsume products at the time. There probably are many more choices now. Some of the high-end RVs use similar latching systems.

The latch pictured looks like a Southco. which is used in marine applications. But remember, a lot of the marine industry is just floating RVs, so be picky.
 

stmar

Member
Sep 12, 2014
210
Wyo
Thanks for all the good suggestions. Would have to modify to mount an external latch, may be an option. The Fisheries Supply unit is an exact match so may go with that if I decide to keep with original system. Thanks again.
 

EatenByLimestone

Minister of Fire
How about putting new wear surfaces on the parts? A little trim coil could extend the life for years. Even an epoxy cover could extend the life as you could replace it as it wore tgrough.
 

begreen

Mooderator
Staff member
Nov 18, 2005
89,681
South Puget Sound, WA
Thanks for all the good suggestions. Would have to modify to mount an external latch, may be an option. The Fisheries Supply unit is an exact match so may go with that if I decide to keep with original system. Thanks again.
A lot of the parts we used on our boats came from Fisheries Supply. They are local and good folks.
 

stmar

Member
Sep 12, 2014
210
Wyo
Adding material to the wear surface could be feasible, some hard setting epoxy or similar material. I have found replacement parts, same as OEM if I want to keep it original. Think I will try the magnetic cabinet latch from Home Depot, cheap and has a 15# rating whereas the original latch is only 10# rated.