3, 21 - Polypropylene Venting, Comin' at Ya!

<p>There's an awful lot of PVC venting out there in high efficiency heating equipment, we know that.  But that comes with some controversy, and many municipalities are saying "Nope, use something else"! </p> <p>This week The Boys find out more from Matt and Mike at Centrotherm, makers of the cool PP venting systems, and what come next!</p>