14 Spring, combustion air damper
1
Cover, chamber cleanout
2
Opening, lower discharge
return
3
Elbow, exhaust tube
15 Duct, inner combustion air
16 Duct, outer combustion air
4
Handle. discharge opening damper
17 Channel, air duct supporting
5
Rod, combustion air duct
18 Valve, overheat safety
damper pull
6
Chamber assembly combustion
19 Fan, air intake propeller
20 Hanger, burner triangle
7
Chamber, burner air
8
Port, burner access
21 Baffle, air
9
Union, burner overflow
22 Capillary tube, overheat
10
Baffle, air
safety valve
11
Valve, burner fuel metering
23 Tube, flexible exhaust
12
Valve, safety trip
24 Screw, chamber channel support
25 Bolt, chamber mounting
13
Valve, burner fuel line shutoff
