Ul 1738 Listed Vent Pipe
For use in u s.
Ul 1738 listed vent pipe. Look for the system 1738 label and the mark of a recognized certification agency as assurance that the venting system being used is certified. For canadian installations a ul 1738 listed vent. In short it is a us standard for gas venting systems required in category iii applications. Vent systems listed to ul 1738can be plastic or mantellic flexible or rigid and can be single wall or concentric vent systems.
Using products listed to ul 1738 provides the highest possible chance of success for flue gas venting applications. October 04 2010 ansi. Markings on pipe and fittings are required by ul 1738 and clearly distinguish a certified gas venting system from every day non certified plumbing pipe and fittings. Selkirk models ps ips g with special gas vent listing are positioned to complement heatfab saf t vent product by broadening the applications on commercial and industrial projects requiring large diameters above 32 id specifications calling for.
It covers both metallic and non metallic materials and includes over 50 material and system performance tests. What is ul 1738. Corr guard 6 36 single wall double wall special gas vent corr guard is tested and listed to ul 1738 for positive pressures up to 15 w g featuring a durable al29 4c superferritic stainless steel flue designed for extreme resistance to chloride ion pitting crevice corrosion stress corrosion cracking and corrosion in moderately reducing environments. The ul 1738 standard does not permit the mixing of components from different manufacturers.
Ul 1738 ulc s636 listing special gas vent. Only pipe and fittings supplied by ipex usa llc should be used in an installation. A belling machine helps to mold the sockets on centrotherm s ul 1738 listed polypropylene vent lengths at the company s manufacturing facility in albany n y. Stainless steel special applications sizes selkirk high efficiency appliance venting.
Category iii refers to positive vent. Innoflue is tested by intertek and listed to ul 1738. Ul 1738 ul 1738 is a standard for venting systems for gas burning appliances categories ii iii and iv. In 2017 national fire protection agency nfpa added language to the 2018 national fuel gas code in support of utilizing ul 1738 listed flue gas vent systems for category ii and iv appliances.
All pipes and components are engineered with smooth clean welds located 90 from mechanical locking bands. Ul standard ul 1738 edition 3 standard for venting systems for gas burning appliances categories ii iii and iv edition date. System 1738 pipe fittings terminations and cement shall be third party listed to ul 1738.