Erby Posted September 7, 2008 Report Share Posted September 7, 2008 Got an oil burning furnace. (don't see many of them around here) Elderly lady seller ain't sure, buyer questioning age of furnace. It's in a fourteen year old house but the ANSI standard date on the tag is 1986 which makes me think it's about 20 years old. Milwaukee Thermaflow by Metzger Machine Works Serial #: 3920-2NX Model #: LBO-120R Can you help with an age? I'm thinking it was built around 86 to 89? Image Insert: 57.4 KB Image Insert: 48.62 KB Image Insert: 55.45 KB Image Insert: 70.37 KB More my curiousity than a real need. But buyer is asking. I told em: The filter was not properly in place to filter the air and the blower fan blades are covered with crud which impedes the operating efficiency of the unit. This has also usually allowed dust to come in contact with the wet air conditioning coils. Wet plus dust equals mud on the coils equals the coils being partially blocked (I can't see the coils to verify this though). Blocked coils further degrade the operating efficiency of the unit. For energy efficiency & lower operating costs, I recommend that you have the heating and cooling unit serviced and cleaned (to include removal and cleaning of both the fan and the coils) by a heating and air conditioning contractor (familiar with oil burning furnaces ) capable of fixing any other problems found while the unit is dismantled. Given it's age and condition, you may be better off just replacing it with a newer more energy efficienty system. Quote Link to comment Share on other sites More sharing options...
Bain Posted September 7, 2008 Report Share Posted September 7, 2008 That thing--especially with its retro color--looks pretty ancient, but Preston's says the LBO-120 was manufactured in '93 and '94. There wasn't a listing for that model with an "R" at the end. Sounds as if the little old lady's telling the truth. In exchange for this information, Erby, you now owe me $5.00. Quote Link to comment Share on other sites More sharing options...
Erby Posted September 7, 2008 Author Report Share Posted September 7, 2008 Board's busy tonight. 19 lookers in 36 minutes, but no takers. C'mon right one! Quote Link to comment Share on other sites More sharing options...
Erby Posted September 7, 2008 Author Report Share Posted September 7, 2008 Well, lookey there. Just a few seconds too early with my second post. Ya want cash or should I put a check in the mail? One of these days, I'll break down and buy a Prestons. Maybe next summer? Quote Link to comment Share on other sites More sharing options...
Bain Posted September 8, 2008 Report Share Posted September 8, 2008 You don't need a Preston's. Just give a call if you're ever unsure. Quote Link to comment Share on other sites More sharing options...
Erby Posted September 8, 2008 Author Report Share Posted September 8, 2008 I don't know. Seems you're pretty expensive at $5.00 a pop. Quote Link to comment Share on other sites More sharing options...
Rob Amaral Posted September 8, 2008 Report Share Posted September 8, 2008 Did you check inside the combustion chamber? Check the refractory liner? Looks like they've had positive pressure at the viewport in the past. Did you check the vent connection, chimney flue, etc? Quote Link to comment Share on other sites More sharing options...
Erby Posted September 8, 2008 Author Report Share Posted September 8, 2008 Yeah, Rob. I checked but I didn't see a date stamp in any of those areas either! Thanks to Bain, I know the answer but I'm $5.00 poorer!! Quote Link to comment Share on other sites More sharing options...
Rob Amaral Posted September 9, 2008 Report Share Posted September 9, 2008 OK Erby. I guess my post was more of the 'what's the point?' in nature (re-age). Your final comment about probably being best to replace it was kind of radical, no? Cleaning...yeah. Replace..? Why? Quote Link to comment Share on other sites More sharing options...
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