50
Heater Components
Early “SC” Heaters
PartsDiagram - HydronicB4 / B5 / D4 / D5 - 12& 24 volt - Diesel &Gasoline versions
Model 20 1789 05
Model 25 1917 05
Model 25 2096 05
Model 20 1791 05
Model 25 1920 05
Model 25 2098 05
Model 25 2147 05
6
1
2
3
4
5
8
9
10
12
13/14
15
16
17
18
19
20 20a
22
4
4
4
3
3
9
10
16
32
11
11
33
31
12
13/14
23
26
27/28
24
21
25
29
30
12
13/14
13/14
12
11
