Identifying Old Reznor Heater, and Gas -> Propane
Bob Romanko
my garage. My dad bought if used for me up in Pennsylvania. I would
like to convert if from natural gas to propane, but the problem is I cannot
find ANY model # or serial # on it. I've looked EVERYWHERE. Without
the serial number, the folks down here in Charlottesville, VA don't even
want to look at it. Are there any "rules of thumb" when going from one
jet to another? All I know is it's about 26" tall, 22" wide, and about
22" deep. The blower's on the back, and the burner is cast iron. It was
advertised as 125,000 BTU, but I"ve got to take that with a grain of
salt. It has been painted an ugly bright green.
Does ANYONE know old Reznor heaters here?
Thanks for your help,
Bob Romanko
Charlottesville, VA
Airplane/Computer Guy, NOT an HVAC Guy
Bob Romanko
left index finger all the way up to the "t" from that "f"! (grin). Whew.
Bob
000000001
Bob Romanko
constitutes a burner? I mean, is each burner the actual cast iron vertical
member? If that's the case, gut feel tells me there are six of them. I'll post
an accurate answer once I get home around 4:00 EST today.
Are there any other things I can look for to help? One other thing; it
has adjustable louvers on the front, and above them is a panel that
is labeled something to the effect of "Electrical Controls". Behind the
panel is nothing. Interesting. The valve and control is located behind
the unit, next to the blower.
The kicker of this whole thing is I'm originally from MERCER, PA! My
dad's house is 1/4 mile from the old Reznor plant. It figures. Maybe
I should just drive back to Mercer and find an ol' retired guy to look at
it. This is going from HVAC to archeology real fast.
Thanks for your help, and please fire away with any other questions
you can think of. Sorry for my ignorance, this isn't any where NEAR
my area of expertise! I know the principle, but that's about as far as
it goes. I know how to run pipe, but the innards of the unit is unfamiliar
territory to me. Once I locate a jet, I'm hoping to find someone local
knowledgeable to inspect and test it. Yes, I need three permits: one
for the tank, one for the plumbing, and one for the heater. I don't mind,
I DON'T want to blow up my new garage.
Thanks again,
Bob
000000001 <1...@2.com> wrote in message <828mq9$j6m$1...@news3.infoave.net>...
>how many burners?
>
>
>
Bob Romanko
he knew a man about 75-years old who worked at Reznor
all his life. I was lucky to catch him on the phone. After about
thirty seconds on the line we had my heater identified as a
US50B. Not 125,000 BTU, but 50,000. Still, it should be able
to heat the garage just fine. It's 32x24x10, but well insulated.
I guess I'll just save that much on propane.
He talked me through removing the burners and the jets. I
also noticed a small crack on the bottom of my heat exchanger.
Not a problem, as he said "they all do that over time". A little
furnace putty if I want will take care of it. The jets are .095".
He recommended going to .052 or .053 for propane, and also
to remove my regulator.
Folks, up until about an hour ago I knew nothing about this
thing, and now I'm a lot more comfortable with it. Thanks
again for your help. I got it from here. Maybe I won't blow
up my garage after all!
Bob
Bob Romanko <rom...@nospam.virginia.edu> wrote in article
<828ntp$a28$1...@murdoch.acc.Virginia.EDU>...
ftwhd
orifice for LP. The pilot orifice for LP usually has a red dot on
them. You will also need to convert the gas valve by changing the
regulator spring from a NG type to a LP type and set the manifold
pressure to 10"wc. I think it would be in your best interest not to
attempt this conversion yourself.
Mike
UA local 370
Mike
UA Local 370
reply to <ft...@usol.com>
ftwhd
seen a orifice chart around here somewhere, if I happen to find it and
no one else says for sure what size they need to be then I'll post it.
M..
ftwhd
cast iron burners in any unit heater even Reznors.
Mike
UA local 370
On 03 Dec 1999 23:44:17 GMT, poppy...@aol.com (POPPYPLANK) wrote:
>In article <828ntp$a28$1...@murdoch.acc.Virginia.EDU>, "Bob Romanko"
><rom...@nospam.virginia.edu> writes:
>
>>I'll have to count them, as it's at home and I'm at my office. Exactly what
>>constitutes a burner? I mean, is each burner the actual cast iron vertical
>>member? If that's the case, gut feel tells me there are six of them. I'll
>>post
>>an accurate answer once I get home around 4:00 EST today.
>
>another indicator is the vent size of the unit heater.
>count the number of "sections" to the heat exhanger.
>each section of the heat exchanger should have a cast iron burner beneath it.
>each of the burners should have a brass orifice in the manifold.
>using number drill bits tell us the size and quantity of orifi and we can
>convert to btu and tell you what size lp orifi are needed
>
>Vic Plank
>Lancaster, PA
POPPYPLANK
>Hey Poppy, are you sure they have cast iron burners? I've never seen
>cast iron burners in any unit heater even Reznors.
>
>Mike
>UA local 370
when i worked for a wholesale distributor in the early 70 there was a really
old reznor unit unit in one of the outbuildings that did have cast iron burners
sorta like the old burnham boiler atmospheric burner assembly that i had to
clean every fall cause the damn spiders loved the smell of gas.
hows the weather in the great white north?
ftwhd
Well Poppy there must be something to the global warming thing because
it has been outstanding here. Its hard to believe putting up x-mas
lights in shirt sleeves in December. We should be up to our knees in
snow by now but not a flake yet.
Bob Romanko
"US" heater is good for 25,000 BTU. So mine, having two burners,
is a 50,000 BTU model. My dad's friend told me he was building
this series (USB50) , in Mercer PA in the sixties.
Bob Romanko
ftwhd wrote in message <38515db3...@news.usol.com>...
>Hey Poppy, are you sure they have cast iron burners? I've never seen
>cast iron burners in any unit heater even Reznors.
>
>Mike
>UA local 370
>
Bob Romanko
is linear as the tank goes down, and a natural gas feed isn't. I'll put the
regulator back in, after setting it to the right pressure. I read another
post here that said it should regulate at 10". Is that right? I know
enough to know how to do this. Not a big deal for me. I was just
going to set up up with compressed air and a flow gage while off of
the unit on my bench. How do you experts set one up?
Thanks for all your help, folks. This is a very good newsgroup.
Bob Romanko
ftwhd wrote in message <384d54e5...@news.usol.com>...
>The old man is crazy on the remove the regulator part.
>
>
>
>On 3 Dec 1999 22:32:35 GMT, "Bob Romanko" <rom...@virginia.edu>
>wrote:
>
>>Well, it's good to have a dad in Mercer. I gave him a call, and
>>he knew a man about 75-years old who worked at Reznor
>>all his life. I was lucky to catch him on the phone. After about
>>thirty seconds on the line we had my heater identified as a
>>US50B. Not 125,000 BTU, but 50,000. Still, it should be able
>>to heat the garage just fine. It's 32x24x10, but well insulated.
>>I guess I'll just save that much on propane.
>>
>>He talked me through removing the burners and the jets. I
>>also noticed a small crack on the bottom of my heat exchanger.
>>Not a problem, as he said "they all do that over time". A little
>>furnace putty if I want will take care of it. The jets are .095".
>>He recommended going to .052 or .053 for propane, and also
>>to remove my regulator.
>>
>>Folks, up until about an hour ago I knew nothing about this
>>thing, and now I'm a lot more comfortable with it. Thanks
>>again for your help. I got it from here. Maybe I won't blow
>>up my garage after all!
>>
>>Bob
>>
>>Bob Romanko <rom...@nospam.virginia.edu> wrote in article
>><828ntp$a28$1...@murdoch.acc.Virginia.EDU>...
>>> I'll have to count them, as it's at home and I'm at my office. Exactly
>>what
>>> constitutes a burner? I mean, is each burner the actual cast iron
>>vertical
>>> member? If that's the case, gut feel tells me there are six of them.
>>I'll post
>>> an accurate answer once I get home around 4:00 EST today.
>>>
>>> Are there any other things I can look for to help? One other thing; it
>>> has adjustable louvers on the front, and above them is a panel that
>>> is labeled something to the effect of "Electrical Controls". Behind the
>>> panel is nothing. Interesting. The valve and control is located behind
>>> the unit, next to the blower.
>>>
>>> The kicker of this whole thing is I'm originally from MERCER, PA! My
>>> dad's house is 1/4 mile from the old Reznor plant. It figures. Maybe
>>> I should just drive back to Mercer and find an ol' retired guy to look at
>>> it. This is going from HVAC to archeology real fast.
>>>
>>> Thanks for your help, and please fire away with any other questions
>>> you can think of. Sorry for my ignorance, this isn't any where NEAR
>>> my area of expertise! I know the principle, but that's about as far as
>>> it goes. I know how to run pipe, but the innards of the unit is
>>unfamiliar
>>> territory to me. Once I locate a jet, I'm hoping to find someone local
>>> knowledgeable to inspect and test it. Yes, I need three permits: one
>>> for the tank, one for the plumbing, and one for the heater. I don't
>>mind,
>>> I DON'T want to blow up my new garage.
>>>
>>> Thanks again,
>>>
>>> Bob
>>>
>>>
>>> 000000001 <1...@2.com> wrote in message <828mq9$j6m$1...@news3.infoave.net>...
>>> >how many burners?
>>> >
>>> >
>>> >
>>>
>>>
>>>
>
>
Bob Romanko
Not a big deal to do that. Like I said, I'm new to gas, but I've done
just about everything else! (grin)
Thanks for your help,
Bob Romanko
ftwhd wrote in message <385055e3...@news.usol.com>...
>On 3 Dec 1999 22:32:35 GMT, "Bob Romanko" <rom...@virginia.edu>
>wrote:
>
>A better fix for the HX is to have a friend mig weld the crack instead
>of using furnace cement. That is if you have a friend with a mig
>welder :) If not take it down to your local welding shop they will
>probably do it for a few bucks. He's probably close on the *jets* as
>you call them.
bobschrec...@gmail.com
Congoleum Breckenridge
> I have an old Reznor industrial furnace, model XL300-3 natural gas that I want to convert to propane. It has eleven burner ports that need changed and then I'm only wanting to hook it up to my grill bottle light with an ignitor and turn on the fans. Any idea where I'm able to get the eleven burner jets??
>