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DESCRIPTION
Thermal reset high
limit thermostat
Manual reset high
limit thermostat
Primary safety valve
Low water
pressure switch
Control thermostat
Thermal reset high
limit thermostat
Manual reset high
limit thermostat
Primary safety valve
Low water
pressure switch
Control thermostat
Safety features of the HeatMaster 70 N and 100 N
Safety features of the HeatMaster 150 Jumbo
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Manual reset high
limit thermostat
Burner
lockout
indicator
Combined temperature
and pressure gauge
Time clock
Servicing socket
(230 V ˜ 50 Hz)
Control
thermostat
ON / OFF
switch
Primary circuit low
water pressure
indicator
Fuse
Control thermostat
Relay base
Time clock
Combined temperature
and pressure gauge
Thermal reset high
limit thermostat
ON / OFF switch
Manual reset high
limit thermostat
Primary circuit low
water pressure indicator
Mains power
electrical connection
(multi-pin plug)
Summer / Winter switch
High limit cutoff
indicator
Control panel HeatMaster 150 Jumbo
Control panel HeatMaster 70 N and HeatMaster 100 N