UPFLOW / HORIZONTAL,
DOWNFLOW / HORIZONTAL AND
LOWBOY FURNACES
80 AFUE
NATURAL GAS
58 - 188 MBH OUTPUT
R
DESCRIPTION
This is a high end product line for those in the dedicated oil
business or HVAC contractor who demands the best in an oil
furnace. These oil-fired furnaces are decorator-styled warm
air heating units designed for installation in basements, closets, recreation rooms or garages. The complete line consists
of three types of furnaces with 9 available models. Heating
capacities range from 58 through 188 MBH bonnet output.
All models are designed to accommodate add-on air conditioning. The capacities, cfm's and performance are matched
to meet year-round comfort requirements. After the installation of an oil-fired furnace, the air conditioner may be added
at any time by adding a compact cooling coil to the furnace,
and a small quiet condensing section outside the home.
WARRANTY
Lifetime limited warranty on heat exchangers to original
owner
10-year limited warranty on heat exchanger when used on
commercial applications
1-year limited warranty on all other parts
FEATURES
•Proven circular heat exchanger - 16 gauge all welded
construction on P*HMX and P*LBX
(except P4LBX20F19001)
•Hard cast ceramic combustion chamber for proper flame
control and long reliability
•Industry standard Beckett “AF” series flame retention
head burner
•Industry standard controls and components used
throughout the furnace for easy service and parts availability
•All models are equipped with fan relay for easy add-on
air conditioning (except P4LBX20F19001-heating only)
•All units are approved for multiple firing rates for easy
application
•Heavy 20 gauge cabinet for strength and quiet operation
•Quiet four speed direct drive blower motors on most
models
EFFICIENCY
RATING
CERTIFIED
FOR DISTRIBUTION USE ONLY - NOT TO BE USED AT POINT OF RETAIL SALE
FURNACE MODEL OUTPUT BTU/Hr. NOZZLE (Delavan) FURNACE MODEL OUTPUT BTU/Hr. NOZZLE (Delavan)
P4DHX12F08001
P4DHX16F12001
P2LBX16F14501
P4LBX20F19001
ALTERNATE FIRING RATES
BECKETT AF SERIES OIL BURNERSBECKETT AF SERIES OIL BURNERS
112,000
143,000
188,000
1.
Requires a low firing rate baffle.
2. Factory supplied nozzle.
1
55,000
2
75,000
85,6000.75 / 80°A
85,2000.75 / 80°A
96,0000.85 / 80°A 100,0000.85 / 70°W
2
123,0001.10 / 70°A
130,000 1.10 / 70°A
2
168,0001.50 / 70°B
2
0.50 / 80°A
0.65 / 80°A
P2HMX12F08001
58,000
73,000
79,000
P3HMX14F10001
87,000
P3HMX20F12001
1.00 / 60°A 118,0001.00 / 70°W
57,000
P3LBX12F08001
1.20 / 60°A
75,000
80,000
85,000
1.65 / 70°B 96,0000.85 / 70°W
P3LBX14F12001
113,000
1,2
1,2
1
1
0.50 / 70°W
0.65 / 70°W
0.70 / 70°W
1
1
1
0.75 / 70°W
0.50 / 70°W
0.65 / 70°W
0.70 / 70°W
1
2
0.75 / 70°W
1.00 / 70°W
TA BLE 3:
CLEARANCE
MINIMUM CLEARANCES TO COMBUSTIBLES
UPFLOW / HORIZONTALDOWNFLOW / HORIZONTAL
FROM
80 MBH120 MBH
TOP1 1 06033
FRONT24246***2416***2424
SIDES1 11111
REAR11111124
BOTTOM000****10****10**
S. A. PLENUM1111131
FLUE PIPE18*18*18*18*18*18*18*
NOTE: Adequate clearance should be provided over and above these clearances, as required for service access.
* May be 9 inches in Canada
** Elevated on 2-1/2 inch bricks
*** Front clearance required for servicing
**** With floor base accessor
2Unitary Products Group
80 MBH120 MBH
DOWNFLOWHORZONTALDOWNFLOWHORZONTAL
LOWBOY
ALL MODELS
Side 1 = 6
Side 2 = 18
Page 3
DIMENSIONS
TA BLE 4:
P4DHX12F0800122
1
Add 8-1/2 inches to allow for burner, (30-3/4 inches total).
Add 8-3/4 inches to allow for add-on vestibule cabinet, (31 inches total). All dimensions in inches.
P4DHX12F08001
MODELS
CABINETPLENUM OPENINGSFLUE
WidthDepthHeightSupply Air
(A)(B)(C)(D x E)(K x L)(F x G)(H)TypeSize
1
22-1/8
55-1/419 x 1914 x 22 18 x 185Permanent16 x 25 x 1265 lb.
Return Air
SideBottom
Dia.
036-21475-003 Rev. A (0605)
FILTER
SHIPPING
WEIGHT
TA BLE 5:
WidthDepthHeightSupply AirReturn AirGapDia.Height
All dimensions in inches.
P2LBX16F14501
CABINETPLENUM OPENINGSFLUE
FILTER
(A)(B)(C)(D x E)(D x G)(F)(H)(J)
2251-1/24120-1/2 x 18-5/820-1/2 x 18-5/81-3/4634-3/820 x 25 x 1290 lb.
SHIPPING
WEIGHT
Unitary Products Group3
Page 4
036-21475-003 Rev. A (0605)
TA BLE 6:
P4LBX20F19001
CABINETPLENUM OPENINGSFLUE
WidthDepthHeightSupply AirReturn Air
(A)(B)(C)(D x E)(D x G)(J)
26
1
Add 8-½ inches to allow for oil burner, (54-½ inches total). All dimensions in inches.
TA BLE 7:
46
1
5624 x 2224 x 222- 5/8750-1/420 x 25 x 1390 lb.
P4DHX16F12001
Gap
Dia.
(H)
CABINETPLENUM OPENINGSFLUE
MODELS
WidthDepthHeightSupply Air
Return Air
SideBottom
Dia.
(A)(B)(C)(D x E)(K x L)(F x G)(H)TypeSize
P4DHX16F1200122-1/4
1
Add 8-1/2 inches to allow for burner, (30-3/4 inches total).
22-1/4
1
6220-1/2 x 20-1/2 18 x 1818 x 186Permanent20 x 20 x 1292 lb.
Add 8-3/4 inches to allow for add-on vestibule cabinet, (31 inches total). All dimensions in inches.
Height
FILTER
(2)
FILTER
SHIPPING
WEIGHT
SHIPPING
WEIGHT
4Unitary Products Group
Page 5
036-21475-003 Rev. A (0605)
TA BLE 8:
WidthDepthHeightSupply Air
P*HMX MODELS
CABINETPLENUM OPENINGSFLUE
Return Air
Side
ABCD x EF x GH
223149-1/220-1/2 x 2014 x 2214 x 2254216 x 25 x 1190
P*HMX14F10001 AND P*HMX20F12001
223158-1/820-1/2 x 2014 x 2214 x 22646-1/216 x 25 x 1270
Bottom
P*HMX12F08001
Diameter
Height
FILTER
(PERM.)
SHIP
WEIGHT
(LB.)
Unitary Products Group5
Page 6
036-21475-003 Rev. A (0605)
TA BLE 9:
WidthLengthHeightSupply AirReturn Air
P*LBX MODELS
CABINETPLENUM OPENINGSFLUE
ABCD x EF x GH
P*LBX12F08001
2251-1/23220-1/2 x 1820-1/2 x 1852620 x 20 x 1240
P*LBX14F12001
2251-1/24120-1/2 x 18-1/220-1/2 x 18-1/2634½20 x 25 x 1267