3
DESCRIPTION
Thermal reset high
limit thermostat
Manual reset high
limit thermostat
Primary safety valve
Low water
pressure switch
Control thermostat
Domestic cold water inlet
Combustion chamber
Top cover
Insulation
Features of HeatMaster 70 N / 100 N
Safety features of the HeatMaster 60 N
Domestic hot
water outlet
Burner chamber plate
Primary shunt pump
Primary expansion vessel
Heating circuit filling valve
with removable hose and
non-return valve
Automatic air vent
Heating return
Burner
Tank-in-Tank
heat exchanger
Flue pipes and
turbulators
Flue reduction collar
Central heating
flow pipe
Casing front panel
Primary circuit
Control panel HeatMaster 60 N
I
O
Manual reset high
limit thermostat
Burner
lockout
indicator
Combined temperature
and pressure gauge
Time clock
Control
thermostat
ON / OFF
switch
Primary circuit low
water pressure
indicator
High limit cutoff
indicator
Summer / Winter switch
