Simpson Dura-Vent and Dura-Vent Pro

Is the Dura-vent Pro replacing the standard Dura-Vent for pellet stoves or are they two separate lines? I saw on a web site that the 3" Dura-vent Pro Tee (3PVP-T) is a replacment for the 3067 Tee. If this is true can I mix Dura-vent and Dura-vent Pro in the same venting system?

No they do not connect together. Nice they do that isn't it?

I heard that duravent was going to be sold through big boxes and that the new duravent pro was going to be specialty retailer pipe. Things could have changed as this was news from March or thereabout. At any rate they're not interchangable. The pro is nice with only 1" clearance to combustibles.

I read that you don't have to use silicone caulk with the Pro vent. Is that basically the only difference between the two?

The regular duravent has a 3" clearance to combustibles and the pro has 1".

They tell you you can not connect them but Was told (by A duravent Employee) we can untill we get rid of the old.
AND WE HAVE BEEN
Some of the small parts like Elbows are a tight fit but they work.

That's good news. Thanks Rod. I bought enough of the Dura-Vent at an excellent price on Ebay to direct vent the stove, but now I'd like to add a Tee and at least 5' of vertical vent and I'm finding the best deals, price wise, on Dura-Vent Pro.