air in water lines - maybe problem fixed

levbob · July 2025

Replaced filter next to water pump with new filter. Runs now with no air in water lines, pump pressurizes system then shuts off.
Unscrewing clear plastic cap on old filter shows distorted O-ring - probably where air came in. Will carry spare filter
now Shurfow 255-213

Image: https://us.v-cdn.net/5021717/uploads/editor/ot/pt7ot408ekwq.jpg

Sharon_is_SAM · July 2025

We also carry a spare.

vhollow · July 2025

Good advice! Thank you both.

levbob · July 2025

Reason why the O-ring could move out of groove and loose seal was deformed plastic casting in clear plastic cover of Shurflo 255-213. O-ring groove malformed.

Image: https://us.v-cdn.net/5021717/uploads/editor/rv/rnfruff0jraq.jpg

Bayliss · July 2025

Good to know, @levbob. Thanks for posting a photo. I have made a note of it!

air in water lines - maybe problem fixed

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