The EPA approval letters have arrived for the Vedolux 30, 37, 55, 350 and 450.

The 650 approvals will be some more weeks in coming because those test results followed the first batch of submitted reports.
Wherever EPA approved boilers are approved for use we are ready to sell.  See the actual test results at this link.

Here is a sample of one of the approval letters.epa v450 approval