27
N.B. FOR AIR RETURN, RESPECT THE OPENING SURFACE OF THE RETURN AIR PLENUM OF THE FURNACE.
WALL
24''
2"
CEILING
72"
6''
HOT AIR PLENUM
STATIC PRESSURE CHECK
POINT MIN. 0.20 " W.C.
9''
WALL
24''
OIL UNIT
SMOKE
PIPE
CEILING
18''
18''
WALL
45° ELBOW
29"
8'' MIN.
SEE
FIGURE
PAGE 7
N.B. These appliances must be installed in conformity with the instructions on the
name plate.