Metex 2200D/P91 Dissolved Oxygen Controller/Analyzer - Manual (Page 7)

Model 2200D/P91 Page 5
3.5 Sensor Installation, Flotation Mounting
3.5.1 Refer to diagram below and proceed as follows:
a) Fasten elbow to 90-inch long pipe
NOTE: Thread sealant (Teflon tape) is recommended on all mounting hardware
and sensor threads to avoid leaks
b) Fasten adapter pipe with union to elbow
c) Insert adapter pipe with union into flotation ball and tighten union lock ring to
secure float assembly