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Additional Information
Replacement Components
Fuse, Part No. 7815 580
Fixed high limit, Part No. 7819 411
20
(for qualified service personnel only)
F1: T 6.3 A / 250 V, slow blow
for control operation
H Electro-mechanical temperature limit
with liquid filled capillary
H Safety feature: if capillary is not
liquid tight (leaks), switch deactivates
IMPORTANT
Due to the expansion characteristics of
the liquid contained in the capillary, the
switch also deactivates (opens) at 14°F /
-10°C thereby shutting down the heating
system.
H Sets a maximum limit for boiler water
temperature whereafter the switch
deactivates and locks
(factory setting 230°F / 110°C)
H H H H Adjustable to 212°F / 100°C via slot
screw
on rear side (readjustment
to previous position is not possible)
WARNING
If adjusting to 212°F / 100°C, AHL
must not be set higher than 167°F /
75°C.
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