Install Instructions
6
EMP
Installation & Service Manual
109529-03 - 11/19
Table 1A: Dimensional Data (see Figure 1)
Table 1B: Rating Data
Boiler Model 
No.
Dimensions See Figure 1
Water Content 
- Gallons
Heat Transfer 
Surface Area - 
Sq. Ft.
Actual 
Shipping 
Weight (LB.)
“A” “B” “C”
EMP84E/115E 16-5/8” 24” 5” 7.70 13.29 430
EMP140E 22-5/8” 24” 6” 11.08 20.29 545
EMP182E 28-5/8" 30" 6" 14.46 27.29 658
EMP224E 34-5/8” 36” 7” 17.84 34.29 771
NOTE: 1. Maximum Working Pressure: Water: 30 PSI Shipped From Factory (Standard),
 40 PSI Optional, 50 PSI Optional
Boiler Model 
No.
Burner 
Capacity
DOE 
Heating 
Capacity 
(MBH) 
(2)
NET AHRI 
Ratings 
Water 
(MBH)
(3)
AFUE % 
Minimum Chimney 
Recommendations
Direct Vent System
GPH
MBH 
(1)
Round 
In. Dia.
Rectangle 
In. x In.
Height 
Ft.
Model
Vent 
Connector 
Dia. Inch
EMP84E 0.60 84 74 64 87 6 8 x 8 15 N/A N/A
EMP115E 0.80 115 101 87 87 6 8 x 8 15 N/A N/A
EMP140E 1.00 140 123 107 87 6 8 x 8 15 FDVS-56 5
EMP182E 1.30 182 160 139 87 7 8 x 8 15 FDVS-56 5
EMP224E 1.60 224 197 171 87 7 8 x 8 15 FDVS-56 6
(1) MBH refers to thousands of BTU per hour.
(2) Based on Standard Test prescribed by the United States Department of Energy at combustion conditions of 
 13.0% CO
2
.
(3) Net AHRI water ratings based on a piping and pickup allowance of 1.15. Consult with manufacturer before   
 selecting a boiler having unusual piping and pickup requirements, such as intermittent system operation,   
 extensive piping systems, etc.










