© 2022 Staheli West
108
Sensors
Sensor
Function/
Range
Normal
Range
Trip/
Alarm
Options
Pin Out
Supply Water Level 0-1000
gallons
Below 200
gallons
Disable in Settings >
Alarm Status Screen
Fuel Supply Level
0-300 gallons
Below 30
gallons
Disable in Settings >
Alarm Status Screen
Ambient
Temperature
32°-212° F
Above 110° F
Disable in Settings >
Alarm Status Screen
Adjust in Settings >
Alarm Settings
Low Water 1
Annunciate
upon contact
with water
On/Off
Below 1 inch
in sight glass
Low Water 2
Annunciate
upon contact
with water
On/Off
Below 1 inch
in sight glass
Manual Steam
Pressure Gauge
0-30 psi
0-12 psi
High Pressure
Limit Switch
Set at 15 psi
Trips at ≥15
psi
Manual reset
required
Operating Pressure
Limit Switch
Set at 14.5 psi
Trips at
≥14.5 psi
Automatically resets
once pressure drops
Boiler Water Level 0-12-inches
4-8
inches
Below 4
inches
Above 10
inches
Level adjustable in
Settings > Water
System
2V without water
24v
1
2
3
4
4-20mA
24v
1
2
3
4
4-20mA
24v
1
2
3
4
4-20mA
24v
4-20mA
120 V
120 V
120 V
120 V
*Same fill color = interchangeable
