1.
Pot burner
2.
Ring, top half
3.
Wick
4.
Tee
5.
Plug
6.
Plug
7.
Nipple
8.
Bushing
Figure 4-3. Burner assembly.
Section VIII. REGULATING THE DRAFT
4-21. General
Three draft faults that interfere with the natural draft through the heater and result in decreased efficiency, soot and
carbon, in the burner and combustion chamber are high, low and down drafts.
4-7
