Heat Exchanger Insulation; Overheat Thermostat; Boiler Flow Temperature Control Sensor - gledhill GB35C Design, Installation And Servicing Instructions

rEPLAcEMENT OF PArTS
9.6

HEAT EXcHANGEr INSuLATION

For access refer to section 9.1 General and 9.4 Burner Sub-Assembly. After breaking
down the assembly as described in the above sections and removing the burner
remove the spark electrode by removing the  retaining screws using a pozi type
screw driver and lift off the insulation from the back of the combustion chamber
cover. Check the position of electrodes on re-assembly.
To remove the insulation to the rear of the combustion chamber release the
holding plate with a .5mm allen key turning anti clockwise and the pull out the
insulation.
Insulation
9.7

OvErHEAT THErMOSTAT

For access refer to section 9.1 General. Pull off the  no electrical spade connectors
from the thermostat and unscrew using a 17mm AF spanner.
Overheat
Thermostat
Boiler flow
temperature
sensor
9.8

BOILEr FLOW TEMPErATurE cONTrOL SENSOr

For access refer to section 9.1 General. Squeeze in the retaining clip on the side
of the electrical connector and pull out. Pull back the insulation and using one
hand on each side of the pipe push off with your thumbs the spring type D clip
on the pipe which is holding the sensor in position.
Holding Plate
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