Lennox SL297UHNV Series - Page 55


Gray Coupling
2
Air Intake Coupling
3
4
5
6
7
8
Air Orifice and
Part Number
8
9
Air Orifice Replacement
FIGURE 47
Operating Signal Pressure Measurement
FIGURE 48
TABLE 27
Unit
  󰀩
    
-040     21U01
   21U02  
     