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Common Installation Errors

SENSUS Technology: Model 243-8, 243-12, 243-RPC (A/B)

Description: Regulator not holding downstream pressure or leaking from vent.


Most common cause of model 243 regular failure is the installation of the TetraSeal O-ring inside the regulator body. When installing the model 243 body O-ring place the O-ring in the cavity of the body as seen below. Do not install O-ring onto the regulator diaphragm as shown in the top picture.

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