GE Hydran 201i Installation Manual page 25

7. Separate the adaptor and the heating plate.
8. Protect the adaptor's threads with the supplied plastic cap, see Figure 7.
CAUTION
9. Unscrew the sensor to separate it from the brass adapter.
CAUTION
10. Inspect the sensor's membrane by looking at it. Its surface must be flat,
without cuts or tears.
Page 26
Figure 15: Hydran 201Ti Assembly
Do not remove the protective plastic caps from the sensor
and/or brass adaptor's threaded extremity until ready to install
on the transformer valve.
Do not touch the H201 sensor's membrane for any reason.
Hydran* 201i Installation Guide
17996 Rev5, August 2013