SHORT PARTS LIST
1
Fan
WORCESTER Part No.
8 717 204 453 0
GC No.
H26 536
2
Burner
WORCESTER Part No.
8 718 120 609 0
GC No.
H26 538
3
Gas valve
NG
WORCESTER Part No.
8 716 107 052 0
NG
GC No.
H26 540
LPG
WORCESTER Part No.
8 716 107 053 0
LPG
GC No.
H26 539
4
Control board
WORCESTER Part No.
8 716 109 540 0
GC No.
H31 408
5
Air pressure switch
WORCESTER Part No.
8 716 106 633 0
GC No.
H26 543
6
Temperature limit sensor
WORCESTER Part No.
8 722 963 858 0
GC No.
H08 291
7
Electrodes
WORCESTER Part No.
8 718 107 087 0
GC No.
H26 544
8
Gasket - burner/electrodes
WORCESTER Part No.
8 716 106 506 0
GC No.
H26 545
9
Seal - inner case/mantel
WORCESTER Part No.
8 716 106 635 0
GC No.
H26 546
10
Flow reg. Type E 9litre orange
WORCESTER Part No.
8 716 141 143 0
GC No.
324 823
11
Flow reg. Type E 11litre brown
WORCESTER Part No.
8 716 107 044 0
GC No.
H22 460
12
Pressure relief valve DHW
WORCESTER Part No.
8 717 401 029 0
GC No.
H02 526
13
Pump assembly 3 speed
WORCESTER Part No.
8 716 106 355 0
GC No.
H02 527
14
Pressure gauge
WORCESTER Part No.
8 717 208 107 0
GC No.
H02 528
15
Flow sensor
WORCESTER Part No.
8 716 107 223 0
GC No.
H02 529
16
DHW temperature sensor
WORCESTER Part No.
8 714 500 081 0
GC No.
H02 538
17
Heat exchanger 12 plate
WORCESTER Part No.
8 716 106 686 0
GC No.
H02 538
18
Heat exchanger 16 plate
WORCESTER Part No.
8 716 106 685 0
GC No.
H02 531
19
By-pass valve
WORCESTER Part No.
8 716 106 434 0
GC No.
H02 532
20
Diverter valve assembly
WORCESTER Part No.
8 716 106 845 0
GC No.
H02 533
21
Diverter valve motor
WORCESTER Part No.
8 716 106 847 0
GC No.
H02 534
22
Control sensor - primary
WORCESTER Part No.
8 716 106 688 0
GC No.
H26 542
23
High limit stat
WORCESTER Part No.
8 707 206 196 0
GC No.
H26 584
24
Expansion vessel
WORCESTER Part No.
8 716 105 545 0
GC No.
H05 206
25 Pressure relief valve
WORCESTER Part No.
8 716 106 431 0
GC No.
H09 750
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
SHORT PARTS LIST
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR 25Si/30Si
8 716 107 337b (11/05)
53
SER
V
IC
IN
G
&
SP
A
RES
24
25