Searching for Pella wood threshold

A quick learner says:

You can raise and lower these thresholds up and down with the screws. But now the screws are now starting to strip through the wood and you can't adjust the wood threshold.can these be replaced? The wood strip with the screw adjuster's

Thank you Tom 

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Casey from SWISCO responded:


You may be able to replace your threshold but, unfortunately, that is not something that we are able to supply. I'd recommend reaching out to Pella directly to discuss your options. Thanks for posting and good luck with your repair. 

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