Zero Clearance Special Gas Vent!
Page 5, in new GOV Instructions online.
We posted new instructions online that showcase the latest round of UL Testing. Jeremias DWKL, under the UL-1738 Listing and at 400°F, has zero clearance to combustibles in vertical installations.
Both SWKL and DWKL UL Label carry zero clearance to combustibles when used for plastic applications (PVC, CPVC, and PPS) up to 230°F flue gas temperatures.
This is an industry first, but you know others will follow.