No. Description Part number
1 Combustion head - LD2SX 18/25 8 718 682 170 0
2 Control box MO535 MRF 8 718 682 250 0
3Photocell 8 716 109 193 0
4 Ignition electrode 8 716 109 211 0
5Motor 8 716 110 522 0
6 Oil pump - Riello RDB 8 718 689 342 0
7 Flexible oil hose kit 8 716 115 310 0
8 Burner 'O' ring 8 716 109 341 0
9 Manual reset flue thermostat 8 716 107 624 0
10 Air damper disc 18 21.5-25 8 718 690 458 0
11 Cleaning brush 8 716 109 428 0
12 Manifold access cover seal 8 716 107 536 0
13 Secondary Heat Exchanger gasket 8 747 009 725 0
14 Flue sample point screw 8 718 682 081 0
15 Oil nozzle
0.50 80°ES (18kW output)
8 716 156 671 0
0.60 60°ES (21.5kW output) 8 716 156 680 0
0.75 80°ES (25kW output)
8 716 109 387 0
16 Flow turbine 8 717 002 132 0
17 Flow regulator 20 litre (Beige) 8 717 002 135 0
18 Pressure relief valve 8 718 681 163 0
19 18mm Pipe NTC 8 718 688 801 0
20 15mm Pipe NTC 8 716 010 809 0
21 Diverter valve assembly 8 716 106 845 0
22 Diverter valve motor 8 718 682 839 0
23 DHW Pressure relief valve 8 717 401 029 0
24 Auto air vent 8 718 684 401 0
25 Pressure gauge 8 718 686 357 0
26 Pump assembly 12/18 & 18/25 8 716 117 574
27 Manual reset tank thermostat 8 718 690 548 0
28 Wet sensor 8 718 684 323 0
29 Expansion vessel 8 716 107 660 0
30 Plate heat exchanger 8 716 108 212 0
31 Control box 8 718 689 480 0
Table 11 Short parts list 18/25