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Author Topic: 450 Empyre Facelift  (Read 336 times)

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Offline J 5

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450 Empyre Facelift
« on: October 26, 2018, 05:54:43 AM »
        I picked up another 450 Empyre OWB this summer to have as a backup for my 2005  450. In the dead of February, is no time to go shopping for a furnace replacement, even tho I can't think of what could happen, short  of boiling dry and burning out. After  helping repair my neighbors tubes in his 1/2 stainless and regular steel outer water jacket 2001  empyre, I have new respect for the all stainless empyre's . They all have a tendency to crack at the tubes regardless , but the mild steel outer jacket on his , showed some heavy pitting.
       This 2001 that I bought is all stainless , like my current one. I replaced the tin on the front and left side , new inner door skin, door pins,

 

 

   light , thermometer , float ball, and a general spit shine. The ash pan was mint, so no current leaks from the tubes , although it looks like somebody with a mirror ( not easy ) welded one tube years ago.
            So wrapped it up , dumped in a couple gallons of RV prestone , and put it on standby. Hope I don't need it this winter, but I feel better having it.
                                           J 5
       

Offline curved-wood

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Re: 450 Empyre Facelift
« Reply #1 on: October 26, 2018, 06:22:47 AM »
Nice job

Offline maple flats

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Re: 450 Empyre Facelift
« Reply #2 on: October 26, 2018, 04:42:33 PM »
I was a dealer for OWB's before much SS was used. The biggest thing to realize is that electrolysis is a big issue, but it can be minimized if you ground the unit well. Just a ground back to the power source is not enough. You want 2 8' copper ground rods driven into the ground and#4 copper ground wire attaching the OWB to the rods. Grind the frame bare before you attach the bare ground, then paint it to keep the elements out.
These things will not completely stop electrolysis but they will reduce it significantly and help the OWB last longer.
My brother has one we installed in 1990 and we used the ground rods, he still uses it full time.
logging small time for years but just learning how,  2012 36 HP Mahindra tractor, 3point log arch, 8000# class excavator, lifts 2500# and sets logs on mill precisely where needed,  Peterson ATS upgraded to WPF mill, maple syrup a hobby that consumes my time. looking to learn blacksmithing.

Offline hedgerow

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Re: 450 Empyre Facelift
« Reply #3 on: October 26, 2018, 05:47:41 PM »
Looks like you got a nice back up plan. Mine is kick the propane furnace if the Garn has a major fail. I hoping this isn't the year for burning propane. It's been 10 years and no propane.  

Offline ButchC

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Re: 450 Empyre Facelift
« Reply #4 on: October 29, 2018, 08:16:21 AM »
Hi, Id like to find a back up unit myself as the wood master 4400 is entering season 13, looks like you found a good one. Nice looking fab work too ;)

Slightly off topic but back when I was OWB shopping I almost bought a 450 Empire, I thought they were made entirely of  304 SS?  Back then a Profab furnace could be had constructed of 304, 409  or mild steel and each had it's own name, 304 were called Empire, one of the others was called a Cozyburn, cant remember the other one.
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Offline J 5

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Re: 450 Empyre Facelift
« Reply #5 on: October 29, 2018, 07:47:05 PM »
      Somebody more knowledgeable can fill us in. As far as I know they started with mild steel ( I owned a 1998 one ), mild water jacket /stainless firebox ( my neighbor has a 2001 ) and then stainless ( my 2001 and 2005 ).
          Before they shut down over the gasifier furnace problems, the 250 and 450's were offered in both stainless or heavy mild steel.
             I believe a dealer in Picton Ontario  bought their remaining furnaces and parts, a 1/2 dozen 250's are all that's left, with bricks or grates.
     Sorry that there not produced anymore.
                                                       J 5

Offline iced1124

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Re: 450 Empyre Facelift
« Reply #6 on: November 15, 2018, 06:06:13 PM »
Well...My 2005 450 developed a leak between two tubes...PIA...after trying to weld where I thought was the leak three times, I'm saving it for the spring.
Found a replacement...hope this one treats me better!

Offline J 5

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Re: 450 Empyre Facelift
« Reply #7 on: November 15, 2018, 06:24:29 PM »
     Wait for spring or a warm garage , are the options, lucky you found another. Cutting both ends of the water jacket and sliding mild steel tube into the existing tubes, isn't a  job to be rushed .
                                               J 5


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