• Universal Series (4 Positions) - UML, UMLV

    Universal Series (4 Positions) - UML, UMLV

Universal Series (4 Positions) - UML, UMLV

This product has been archived and is no longer available.


The Universal Series is a multi-positional furnace that can replace highboy, lowboy, horizontal or downflow furnaces...versatility to  fit any application! Compared with oil furnaces of long ago, the compact design of the Universal Series will allow you to claim more usable area in your basement. Additionally you will be able to enjoy fuel cost savings and greater comfort for you and your family!


  • Up to 87.0% AFUE 
  • New Stainless Steel, High Efficiency Heat Exchanger:
    - Primary heat exchanger utilizes a high-grade 409 stainless steel drum to withstand extreme temperatures and corrosive conditions
    - Second pass is constructed of aluminized steel tubes with stainless steel turbulators, which can easily be removed as shown for easy cleaning 
    - Large heat transfer surface results in maximum efficiency levels and reduced operating costs
  • Upflow, downflow, horizontal left or right applications 
  • Select models meet  ENERGY STAR® requirements
  • Four Firing Rates: .55, .65, .75 and .85 gph
  • Models are shipped at .65 gph firing rate with all alternative nozzles supplied with furnace
  • Front access to heat exchanger. Easy to clean
  • Includes a 16" x 20" filter 
  • Barometric damper (Chimney Vent Only)
  • Listed for closet installations
  • Durable 22-gauge steel cabinet ensures strength while full fiber-reinforced foil faced insulation and “cool-to-touch” technology provide quiet operation
  • A/C Ready - Up to 4 Tons


Chimney Vent Burner Options:

  • Beckett AFG
  • Riello 40F3
  • Carlin EZ-LF

Direct Vent Burner Options:

  • Beckett NX
  • Riello BF3
  • Riello BF5

Blower Motor Options:

  • ECM Variable Speed High Efficiency
  • PSC Direct Drive

Downflow floor base kit 

Blocked Vent Safety Switch


Low Profile - 42.75” 
Easily accommodates larger, high efficiency “A” coils in all 
job sites. Jacket is 22 gauge with 1/2” fiber reinforced foil 
faced fiberglass insulation. Closet rated for 1” clearances. 

Electronic Fan Timer Control 
Located on full rail slide out blower deck for easy access 
for wiring, adjustment and service. Wiring is color coded, 
equipped with connections for easy air conditioning, 
humidifier and air cleaner installation. A terminal strip is 
also supplied for thermostat connections. 

Easy to Clean 
Remove flue collar for complete access to clean second 
pass tubes. Remove burner for complete access to clean 
first pass drum. Any oil drips are “evaporated” on the 
chamberless stainless steel drum. 

Blower Assembly 
Slides out on full rails for easy access and service. 
PSC 4 speed or ECM variable speed. 

Sight Glass and Sample Port 
Large sight glass for observing flame and separate 
sample port for measuring draft overfire.

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