- Specifications
- Documents
- Description
- UL 1738 certified vent system for Categories II and IV gas burning appliances
- Rated for flue gas temperatures up to and including 149F (65C)
- Pipe, fittings, cement, and venting accessories, sizes include 2", 3", and 4"
System 1738 is the first engineered PVC venting system certified to UL 1738. It offers a complete certified system of pipe, fittings and cement meeting the stringent demands of the UL 1738 venting standard.