Should PVC schedule 40 pipe and fittings continue to be permitted for combustion exhaust venting? You and I have come across PVC that has gone from white to many colored shades: from light yellow to ...

Resistance to Corrosion: Corrosion can be an issue in any setting, but more so in a commercial building where fumes, gases, or exhaust can put a HVAC system at risk of becoming damaged over time. PVC ...

Since the internal combustion engine is nothing more than an air pump the exhaust system is a very important part of the system. You know the story, air in, air out. In the world of street rodding ...