®
D
A
H
U
I
O
S
M
UAL
IR
EATING AND COOLING
NITS
NSTALLATION
PERATION AND
ERVICE
ANUAL
16.5 Heater Pressure Switch
Pull off 3 way connector. Spring open plastic clips of
mounting cradle. Replace with correct type of
pressure switch for model. The pressure switches
are colour coded for each pressure setting.
Carry out a commission after working on or
changing a pressure switch.
See Page 21, Section 11.
Pressure Switch
75
90
100
115
RG P/N
90439811
90439807
90439811
90439807
Colour Code
grey
brown
grey
brown
40