Glow-worm Xtrafast 96-120 - Manual (Page 40)

40 2000221595
When ordering spare parts, quote the part number and description, stating the appliance model number and serial number
from the data label.
Short parts list
No. ...... Description ......................................... Part No. .......... G. C. No.
1 .......... Domestic hot water thermistor ........ 57213 .............. ******
2 .......... Central heating thermistor ............... 57215 .............. ******
3 .......... Storage vessel thermistor ................. 57250
4 .......... Fan ...................................................... 57238
5 .......... Air pressure switch ............................. 57237
6 .......... Domestic water flow sensor ............. 57202
7 .......... Printed circuit board ......................... 57248
8 .......... Pump .................................................. 57207
9 .......... 3-way valve head ............................. 57206
10 ........ System pressure sensor ..................... 57205
11 ........ Gas valve module ............................ 57079
12 ........ Central heating safety valve ........... 57228
13 ........ Domestic safety valve ...................... 57229
14 ........ Overheat thermostat ........................ 57212
15 ........ Ignition electrode .............................. 57194
16 ........ Flame sense electrode ..................... 57195
16 ........ Clock-timer ........................................ 57245
19 Replacement of Parts
EXPANSION
VESSEL
➜
UNION NUT
RETAINING
NUT
Diagram 19.22
20 Spare Parts
Because of our constant endeavour for improvement details may vary slightly from those in the instructions.
19.33 Expansion vessel, refer to diagram
19.22.
For this operation the boiler must be removed from the wall.
Before starting refer to the front of Section 19 Important
information.
• Drain down central heating and domestic hot water circuit of
boiler only, refer to relevant parts of Sections 16.13 and 19.8.
Note: It is not necessary to drain down entire heating system to
carry out this work.
• Disconnect flue system.
• Remove the base panel, secured with four screws and hooked
in at the rear.
• Disconnect boiler pipes onto fixing jig.
• Remove the front panel, refer to Section 16.3.
• Lower the control panel, refer to Section 16.4.
• Gain access to rear of control panel.
• Unclip side clips and hinge up control panel cover, see
diagram 11.2.
• Disconnect mains cable and any external controls cables.
• Remove the sealed chamber cover, refer to Section 16.4.
Remove the two side panels, refer to Section 16.6. Using the
two lifting handles positioned bottom left of the controls and to
the center right of the combustion chamber lift the boiler off the
hanging bracket and away from the wall.
• Supporting expansion vessel unscrew and remove expansion
vessel retaining nut and screw.
• Remove expansion vessel.
• Fit replacement expansion vessel.
Note: Check that expansion vessel pressure is correct, see
‘Section 1 Technical Data’.