Servel Propane Refrigerator

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What an awesome Thread!

<span style="font-family: georgia,palatino;">I have always thought this Fridge to be so fascinating!  It is amazing to me how well they have held up!</span>

<span style="font-family: georgia,palatino;">I just love the salesman demo cards and that fantastic little demo fridge.  Very Cool!</span>

<span style="font-family: georgia,palatino;">Question about the burner.  Did it cycle off and on when the temp was reached?  I have always wondered about this.</span>

<span style="font-family: georgia,palatino;">Thanks again for all the cool pictures and stories.</span>

<span style="font-family: georgia,palatino;">Brent</span>
 
The burners have no way of relighting by themselves, so they just dim the flame.

There is a temp probe clamped to the evaporator tubing inside the refrigerator portion, so just like a "normal" fridge, when that probe reaches a tempurature the gas valve responds by lowering the amount of gas sent to the burner and the flame dims down. The camp trailer fridges do the same thing.

I agree, absorption fridges are really cool.

The one in our pop-up tent trailer also runs on 12 volts for towing. So we fire it up the afternoon before we leave, and let it "cook down" to temperature over night. In the morning we load it with pre-chilled food. When it's time to head out, we hook up to the Suburban, plug the camper's wiring harness into the 'burb, switch the propane off at the fridge, and switch it over to 12 volt mode. It'll maintain it's cold for however long the drive to the campground is. I have a remote temp sensor that goes with a battery powered weather station. I put the remote sensor in the fridge, and keep the small weather station up in the 'burb. Allows us to keep an eye on the fridge temp while enroute.
 
I like the absorption system as well.  It's completely silent. 

 

When I was at Cal Poly SLO, refrigerators weren't allowed in the dorm rooms.  They wanted students to pay for their food at the cafeteria and other outlets operated by Food Services.  Many of us had refrigerators in our closets, running the cord out to an adjacent outlet, and placing something large in front of the outlet so the RA couldn't see where the cord was going, as the RA's were not allowed to touch or move anything.

 

My roommate and I answered an ad for a small refrigerator and ended up with an absorption fridge that was nearly twice the size of the average "cube" fridge.  We had room in the freezer for a 1/2 gallon carton of ice cream, and there was no noise from a compressor running to tip off the RA. 

 

My other absorption story comes from a high-end (but old) RV my partner and I had.  The fridge wasn't the usual "Dometic" brand but some other make I can't recall, like "Elixir" or "Ex" something.  It needed a small part and I when I walked up to the counter at the RV parts store the guy knew what it was, but also told me sort of halfway laughing about it,  "And by the way, that fridge shouldn't even be running anymore!"  I don't think it saw a lot of use in its lifetime, but RV fridges seem to have a reputation for short life spans.

 

I never understood how an absorption fridge for an RV, which wasn't even half the capacity of a household fridge and had no mechanical parts, still cost as much as a TOL frost-free household compressor model to replace.  Is it just the manufacturer and retailer taking advantage of a captive market?
 
So how'd you guys power the absorption fridge in the dor

That's a funny story....how'd you power it? Did you just have a 20lb(5gal) propane tank in the door room with you?

The little cube ones like my camp trailer uses, will run for 30 days on a 5gal tank of propane, so that's about $18/mo to keep food cold.

RV fridges take a beating from being banged around during driving/towing, and then they sit, unused, surface rusting on the tubes and fins for umpteen months or years at a time. Usually, what kills them is being operated out of level. Not everyone knows that you can't do that, or understands that it permanently damages them. When they are out of level, the ammonia liquid can't circulate properly. It winds up puddling up, inside the tubing, and then creating ammonia crystals. These crystals wind up traveling around inside the tubes and then packing to the tiny orifaces in the tubing. Once this happens, the refrigerator either: a) won't work at all. b) works only marginally, producing worse cold the hotter it is outside c) working okay or marginally, and then suddenly stopping to make any cold until it's shut off, and/or towed/driven around/taken out and turned upside down for a while.....something that jars the crystals loose so they temporarily aren't blocking whatever passage they were blocking.

But the burner tubes are also a favorite nesting place for spiders who apparenly like the smell of propane. They'll pack a nest egg sack inside the burner tube, completely blocking the flow of propane. The burner tubes also rust out from heating and cooling cycles, and the thin burner slits just fall out.

All kinds of little failure points.

Absorption fridges can be rebuilt, for about $500ish for the big ones. It's just not cost effective to rebuild the smaller cube versions because you can buy a new one for less than having one rebuilt.

The people that gave me the Servel had just purchased a modern version, smaller and shorter, like what would be in a big travel trailer, and they paid $1,200 for it. Ouch. A place in the SF Bay Area rebuilds or sells the rebuilds at $650+ depending on model and size.
 
I think the Cal Poly fridge may have come out of an RV, although it had a coppertone/brown finished exterior on all sides so wasn't designed to be built-in, I guess.  It ran on electric or gas.  We just plugged it in and were in business.
 
Oh, that's right, some of them have 110v heaters. Ours is just propane or 12v, but many are 3-way, and also use 110v.

You guys scored big time on that fridge!!
 
The Cal Poly fridge cost $60, and we thought that was kind of steep, but it was a great size.  We sold it to another guy in our dorm at the end of the year, for $40.
 
This may have been addressed above and I over looked it.
But what happened to gas refridgerators? They seem so ecomonicial and with no moving parts. My house was built in 1924 and I suspect at one time there was a gas unit in the kitchen due to a gas line being capped off by were the fridge sits.
 
I'm not sure they're that economical due to the amount of gas they consume. The burner on this Servel I've been talking about was like a 6 star blow torch. I can't imagine how much propane it must use.......although that would dim down a bit once it got up to temperature. But still, if you look at what a 1 cubic foot camp trailer fridge consumes (a 5 gallon tank of propane in 30 days), that's about $18-$19 depending on where you buy propane.

I'm doing a power consumption test on my 1952 Philco refrigerator right now, and so far, it looks like it uses under $3/mo of electricity.

There was/is also the concern of carbon monoxide poisoning, since they don't vent to the outside. That's probably not so much a concern in most older homes from 50-80 years ago, but certainly today with our "sealed up tight" building methods, it could be a real issue.

On top of that, the put out a ton of heat from the chimney. That'd be nice in the winter, but if you live in a hot climate, that could be a real detriment during spring/summer/fall.

With these Servels, there was also a huge recall that still exists. It's mandated by the government, and you get paid $100 to turn them in.
 
Compare to these ebay new gas fridge specs

E-Z Freeze Propane Refrigerator 10 cu. ft. #1050W White

Burner BTU/hr 1500
Fuel consumption (24hrs): .25 gal/1.1 lb
Refrigerator Net Weight: 170 lbs.

E-Z Freeze Propane Refrigerator 21 cu. ft. #2150W

Burner BTU/hr 1700
Fuel consumption (24hrs): .35 gal/1.5 lb
Refrigerator Net Weight: 253 lbs.

A 20 lb propane tank is usually filled with 17 or 18 lbs of propane to allow for gas expansion. Some places the exchange tanks are only filled to 15 Lb.

As a swag I will assume that propane costs 1 buck per Lb.

That means that 10 cuft fridge costs 1.1 bucks per day; 33 per month per swagish swap meet math.

That means that 21 cuft fridge costs 1.5 bucks per day; 45 per month per swagish swap meet math.

Locally some folks have an emergency hurricane fridge or one for a rural hunters site/cabin that runs on propane; when/where there is no elecricity.
 
Bigger unit uses less gas per volume of fridge than smaller

Note how the one fridge is 2.10 times larger (21/10) but only uses 1.36 more gas (1.5/1.1)

This is typical since surface area (heat loss) grows as the square, and the volume grows as the cube.

ie a 1 ft cube has 1 cubic feet of volume and 6 cubic feet of surface area

ie a 2 ft cube has 8 cubic feet of volume and 24 cubic feet of surface area

smaller objects have a higher surface area to volume ratio than big objects.
 
That's what this Servel was being used for. The people that I got it from had a very rural cabin that they go to for vacation, and so do the people who bought it from me. It's an expensive way for them to have refrigeration, but at least they have it, and in a full size fridge.
 
Had no idea about the recall....Wild.

NEWS from CPSC
U.S. Consumer Product Safety Commission
Office of Information and Public Affairs Washington, DC 20207
FOR IMMEDIATE RELEASE
July 22, 1998
Release # 98-145 Company Phone Number: (800) 782-7431
CPSC Consumer Hotline: (800) 638-2772
CPSC Media Contact: Ken Giles, (301) 504-7052
CPSC, Warns That Old Servel Gas Refrigerators Still In Use Can Be Deadly
WASHINGTON, D.C. - Government safety experts continue to warn consumers to stop using Servel gas refrigerators manufactured between 1933 and 1957 due to the risk of carbon monoxide leakage in deadly quantities.

The U.S. Consumer Product Safety Commission (CPSC) reports there have been at least 39 incidents in the U.S. involving these old Servel gas refrigerators, causing 22 carbon monoxide-related deaths and 55 injuries nationwide. There also have been incidents reported in Ontario, Canada, causing 60 deaths.

Because historical sales and distribution records of these early Servel models are unavailable, it is not possible to determine who still owns and uses these refrigerators. The Servels continue to be used in hunting cabins, vacation cottages and remote areas of the nation where there is no electricity, or where gas is the preferred energy source.

Over a period of time, especially if the refrigerator has not been used recently, the gas burner can be fouled by dust, dirt, rust or other obstructions. Any gas refrigerator with an improperly adjusted or partially plugged burner can produce substantial amounts of carbon monoxide.

Consumers can call the Servel Corrective Action Committee (SCAC) toll free at (800) 782-7431 anytime to receive a rebate package that includes instructions for disposing of their Servel gas refrigerator. Consumers who properly dispose of their old Servels will receive a $100 rebate plus reimbursement for reasonable disposal costs.

Since this recall program was launched in 1990, more than 22,000 refrigerators have been destroyed. On average, 100 new requests for rebates are mailed to SCAC monthly, demonstrating that there are still many more in use.

Consumers who insist on keeping their old Servel refrigerators should move them to an outdoor shelter, shed or garage not connected to the house or cottage. CPSC urges owners to secure or restrict access to refrigerators kept outside and, when discarding any refrigerator, to remove its door. This will prevent children from playing in the refrigerator and possibly getting trapped and suffocating inside.

CPSC advises that all gas refrigerators be serviced regularly by licensed technicians in order to assure their safe operation. They also should be inspected after they are moved and before they are turned on after a seasonal shutdown. Special attention should be paid to blockages in burners and flues.

No longer in business, Servel manufactured gas refrigerators between 1933 and 1957. The Servel refrigerators in question are no longer being produced and are in no way associated with the Dometic Corp., the current manufacturer of Servel brand name products.

Servel Gas Refrigerator Servel Gas Refrigerator

Servel Gas Refrigerator

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The U.S. Consumer Product Safety Commission is charged with protecting the public from unreasonable risks of injury or death from thousands of types of consumer products under the agency's jurisdiction. The CPSC is committed to protecting consumers and families from products that pose a fire, electrical, chemical, or mechanical hazard. The CPSC's work to ensure the safety of consumer products - such as toys, cribs, power tools, cigarette lighters, and household chemicals - contributed significantly to the decline in the rate of deaths and injuries associated with consumer products over the past 30 years.

To report a dangerous product or a product-related injury, call CPSC's Hotline at (800) 638-2772 or CPSC's teletypewriter at (301) 595-7054. To join a CPSC e-mail subscription list, please go to https://www.cpsc.gov/cpsclist.aspx. Consumers can obtain recall and gener
 
The gas friges we sell (Dometic)work well and can be either gas or a/c. They sell for $1399 and are 9 cu ft.The only issue we have is when the owner/user doesn't have two seperate tanks so that,once one is empty,they can switch the gas feed over to the other. When this happens and the gas is out,most of them have to be "burped" before they can be turned on again.
 
RISK; some folks have no issues and use them still today

There are several folks I know that own old gas refrigerators and purposely ignore the "crushing them".

Like any risk; one could took crush old cars without seatbelts; or crush non double insulated tools, or buy up all the old sonic blasters, yoyos, clackers and crush them.

One has gobs of folks one once had common sense and had no issues with many things today deemed as totally risky.

All one really has to do is keep the old gas device in good order; and use a CO alarm if really scared.

Government safety experts continue to warn consumers because folks are basically stupider, more assuming, have less common sense. Crushing units drops the liability.

We had a gas refrigerator when I grew up and I never heard of CO issues; but at time a local repair man maintained them and one had less of a doofus factor like today.
 
Personally I have heard of more deaths by folks using propane heaters inside; or electric portable heaters; or gas generators than old gas refrigerators; but their usage is probably 100,000 times more
 
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