LLA-L Low Liquid Level and LLA-H High Level Alarm Installation Instructions.

LLA-L Low Liquid Level and LLA-H High Level Alarm Installation Instructions.

LLA-L Low Liquid Level and LLA-H High Liquid Level Alarm Installation Instructions in English and French

Additional Resources:

https://support.boshart.com/should-i-install-a-sump-pump-check-valve

https://support.boshart.com/how-do-i-select-a-check-valve-for-my-sump-pump-application

https://support.boshart.com/what-can-i-do-to-reduce-the-risk-of-problems-with-my-sump-pump-system