47
Description&Part #’s
Ref. No. Description
Part Number
Model #
25 1917 05
12V
20 1789 05
12V
25 1920 05
12V
20 1791 05
12V
25 2096 05
12V
25 2147 05
24V
25 2098 05
12V
1 Casing
25 1917 01 01 01
• • •
25 1920 01 01 01
• • •
25 1920 01 01 01
•
2 Combustion air blower with cover
25 1917 99 16 00
•
20 1759 99 15 00
•
25 1922 99 16 00
• •
25 2013 99 16 00
•
20 1774 99 15 00
•
25 2146 99 17 00
•
3 Cover
25 1917 01 00 02
• • • • • •
25 2137 01 00 02
•
4 Burner
20 1752 10 00 00
•
20 1818 10 00 00
•
5 Burner
25 1917 19 00 00
• •
25 1920 10 00 00
• •
25 2146 10 00 00
•
6 Heat exchanger
25 1864 06 00 01
• • •
25 1922 06 00 01
• • • •
7 Control unit
25 1917 51 00 04
•
25 1917 55 00 01
•
22 5201 00 20 01
•
22 5201 00 20 04
•
22 5201 00 10 01
•
22 5201 00 30 01
•
22 5202 00 10 03
•
8 Cover
20 1752 99 01 03
• • • • • • •
9 Pump
25 1917 99 25 00
•
25 1920 25 00 00
• • •
25 2096 25 00 00
•
•
25 2118 25 00 00
•
10 Fuel metering pump
25 1917 45 00 00
• •
25 1920 45 00 00
• •
11 Integrated fuel filter
20 1312 00 01 00
• •
• •
12 Holder Fuel metering pump
25 1917 01 00 07
• •
• •
13 Seal
20 1820 99 00 01
• • • • • • •
14 O-Ring 74 x 33mm
320 75 104
• • • • • • •
15 Glow pin
25 1864 01 10 00
• •
• •
25 2107 01 10 00
•
25 2106 01 10 00
•
•
16 Plug connection
20 1752 01 10 00
•
•
17 Lining and 2O-rings
20 1752 99 01 02
•
•
18 Plug connection compl.
25 2147 01 13 00
•
19 Holder
20 1752 01 00 04
•
•
•
20 Sleeve
20 1752 01 00 02
•
•
•
Heater Components
Early “SC” Heaters
HydronicB4 / B5 / D4 / D5 - 12& 24 volt - Diesel &Gasoline versions
