When to Replace Your Birchmeier Check Valve
Posted by Andrew Greess on Sep 15, 2015
If you're having trouble pumping up your Birchmeier backpack, it could be that the check valve. The check valve is this white spring assembly under the pump cylinder. If that gets full of debris, it will not work properly. It is one part that can be replaced frequently and all
pest control companies using these backpacks should keep extra che
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