Use and Care Manual
7
Figure 2: Minimum Installation Clearances To Combustible Materials (Inches)
TABLE 1: DIMENSIONAL DATA (See Figures 1a and 1b)
TABLE 2: RATING DATA
NOTE 1: Listed clearances comply with American National
Standard NFPA 31, Standard for the Installation of Oil
Burning Equipment.
NOTE 2: RRO™ Series boilers can be installed in rooms
with clearances from combustible material as listed above.
Listed clearances cannot be reduced for alcove or closet
installations.
NOTE 3: For reduced clearances to combustible material,
protection must be provided as described in the ANSI/NFPA
31 standard.
C
A
Above
B
Front
Chimney
Connector
D
Rear
E
Sides
6 24 18 6 6
Boiler Model
Dimensions
Approx. Water Content
(Gallons)
Heat Transfer
Surface Area
(Sq. Ft.)
Approx. Shipping
Weight (LBS.)
"A" "B" "C"
RRO080, RRO092,
RRO120
17-3/8" 8-1/4" 5-7/8" 16 14.33 560
RRO111, RRO151,
RRO179
22-3/8" 10-7/8" 6-7/8" 20 20.90 680
Maximum Working Pressure - Water: 50 PSI
Boiler shipped from factory with a 30 PSI relief valve.
Boiler
Model
Burner Capacity
Heating
Capacity
(MBH)
NET AHRI
Water Ratings
(MBH)
AFUE
%
Minimum Chimney Requirements
GPH MBH
Round
In. Dia.
Rectangle
In. x In.
Height
Ft.
RRO080 0.65 91 80 70 86.1 6 8 x 8 15
RRO092 0.75 105 92 80 86.0 6 8 x 8 15
RRO120 1.00 140 120 104 84.3 6 8 x 8 15
RRO111 0.90 126 111 97 86.0 7 8 x 8 15
RRO151 1.25 175 151 131 85.1 7 8 x 8 15
RRO179 1.50 210 179 156 84.0 8 8 x 8 15