Glow-worm 23c - Manual (Page 40)

40 2000225000B
18 Replacement of Parts
18.24 Water flow sensor, refer to diagram
18.15.
Before starting refer to the front of Section 18 Important
information.
• Remove the front panel, refer to Section 15.3.
• Lower the control panel, refer to Section 15.4.
Drain down the boiler, refer to relevant part of Section 18.1.
• Undo the union on the cold water inlet isolating tap.
• Pull out slotted metal clip securing filling system tap into
housing, swing the tap forwards.
• Pull out the two slotted metal clips retaining the domestic water
inlet filter housing.
• Remove domestic water inlet filter housing.
• Remove electrical connections from water flow sensor.
• Pull off slotted metal clip and remove water flow sensor.
18.25 System water pressure sensor, refer to
diagram 18.16.
Before starting refer to the front of Section 18 Important
information.
• Remove the front panel, refer to Section 15.3.
• Lower the control panel, refer to Section 15.4.
Drain down the boiler, refer to relevant part of Section 18.1.
• Remove electrical connections from water pressure sensor.
• Pull off slotted metal clip and remove water pressure sensor.
18.26 Bypass valve, refer to diagram 18.17.
Before starting refer to the front of Section 18 Important
information.
• Remove the front panel, refer to Section 15.3.
• Lower the control panel, refer to Section 15.4.
Drain down the boiler, refer to relevant part of Section 18.1.
Pull out slotted metal clip and remove bypass valve.
➜
➜
10006
Diagram 18.16
SYSTEM
WATER
PRESSURE
SENSOR
Diagram 18.15
WATER
FLOW
SENSOR
➜
10008
➜
➜
9847
➜
Diagram 18.17 10009
➜
➜
9975
BYPASS
VALVE