how important is this step in winterizing?
my buddy, who's not good with computers, forgot this step when winterizing last week in NJ. He did not blow the lines and added antifreeze at the water pump bypass inside. Everything else was done...
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I would personally want that valve pressed eliminating any chance of water being left in the system. The check valve really needs antifreeze in it to ensure a proper job. Will antifreeze mix with the water left...maybe but finishing the job makes more sense than a spring repair replacing that check valve assembly
