12 Maintenance and service
Installer reference guide
79
RVLQ05+08CAV4 + RHYHBH05AA + RHYHBH/X08AA +
RHYKOMB33AA
ROTEX HPU hybrid
4P355635-1 – 2013.05
12.3 To disassemble the gas boiler
1 Turn off the appliance.
2 Turn off the main power supply of the appliance.
3 Close the gas tap.
4 Remove the front panel.
5 Wait until the appliance has cooled down.
6 Unscrew the coupling nut at the base of the flue pipe by turning
counterclockwise.
7 Slide the flue pipe upwards by turning it clockwise until the
bottom of the pipe is above the condensate drain pan
connection.
8 Pull the bottom of the pipe forwards and remove the pipe
downwards by turning the pipe alternately clockwise and
counterclockwise.