29
28
Servicing
I
mportant
`
Servicing should only be carried by authorised engineers, agents or by installers competent in the installation and
maintenance of unvented water heating systems.
`
Any spare parts used MUST be authorised parts.
`
Disconnect the electrical supply before removing any electrical equipment covers.
`
NEVER bypass any thermal controls or operate system without the necessary safety valves.
`
Water contained in the cylinder unit may be very hot, especially following a thermal control failure. Caution must be
taken when drawing water from the unit.
Spares
Spare parts
A full range of spare parts are available for the Andrews Water Heaters STXL cylinder range. Refer to the technical data
label on the unit to identify the model installed and ensure the correct part is ordered.
KEY DESCRIPTION
SPARES NUMBER
1
IMMERSION HEATER GASKET
95611025
2
BLANKING PLATE KIT
95607396
4
EXPANSION VESSEL 60L 6 BAR
95607445
6
EXPANSION VESSEL 100L 6 BAR
95607458
7
EXPANSION VESSEL 150L 6 BAR
95607461
8
EXPANSION VESSEL 200L 6 BAR
95612723
9
EXPANSION VESSEL 300L 6 BAR
95612724
10
1” INTEGRATED INLET CONTROL VALVE 5-10BAR
95605176
11
ISOLATING BALL VALVE 1”
95605178
12
ISOLATING BALL VALVE 1 1/4”
95605179
13
ISOLATING BALL VALVE 1 1/2”
95605180
14
ISOLATING BALL VALVE 2”
95605181
15
ISOLATING DRAIN VALVE 1”
95605182
16
TUNDISH 1 1/4” x 1 1/2”
95607452
17
PRV 1 1/4” SET PRESSURE 1.5 TO 6 BAR MAX IP 16 BAR
95605183
18
PRV 1 1/4” SET PRESSURE 5 TO 10 BAR MAX IP 16 BAR
95605184
19
PRV 1 1/2” SET PRESSURE 1.5 TO 6 BAR MAX IP 16 BAR
95605185
20
PRV 1 1/2” SET PRESSURE 5 TO 10 BAR MAX IP 16 BAR
95605186
21
PRV 2” SET PRESSURE 1.5 TO 6 BAR MAX IP 16 BAR
95605187
22
PRV 2” SET PRESSURE 5 TO 10 BAR MAX IP 16 BAR
95605188
23
SINGLE CHECK VALVE 1 1/4”
95605189
24
SINGLE CHECK VALVE 1 1/2”
95605190
25
SINGLE CHECK VALVE 2”
95605191
26
EXPANSION RELIEF VALVE 1” x 1 1/4” SET 8 BAR
95605192
27
EXPANSION RELIEF VALVE 1” x 1 1/4” SET 13 BAR
95605193
28
EXPANSION RELIEF VALVE 1 1/4” x 1 1/2” SET 8 BAR
95605194
29
EXPANSION RELIEF VALVE 1 1/4” x 1 1/2” SET 13 BAR
95605195
30
TEMPERATURE AND PRESSURE RELIEF VALVE - 10 BAR
7033371
31
TEMPERATURE AND PRESSURE RELIEF VALVE - 15 BAR
95605197
32
DUAL CONTROL THERMOSTAT
95612650
Unvented Hot Water Cylinder