
© 2021 Staheli West
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Test 1009: Boiler Water Level Sensor
1
3
4
2
Turn on the touch screen and navigate to the Inputs /
Outputs screen.
The boiler water level should be at 0 and the low water
should be open (shown above for sensor #2).
Move the float 1” at a time and check that the water
level reading matches the float position.
If the water level does not match, replace the water
level sensor.
0”
12”
Low Water Open
Low Water Closed
Remove the sensor.
Reconnect the sensor with the float at the bottom
With the power off:
Disconnect the sensor you want to test.
Remove the 6 bolts with a 7/16” wrench / socket.
Summary of Contents for DewPoint 331
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