You can edit the module_title template and change them to a h2 tag which you can have any number on a given page. HTML5 allows for multiple h1 tags but SEO doesn't like it. If you change them to h2, you will need to change the CSS to make the h2 tags appear larger. Then you will want to add an h1 tag toward the end of the header template after the div id="content" and set the CSS for h1 to display:none so they don't complain about not having one.
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