Addresses the design and installation of fuel gas systems and gas fired appliances through prescriptive and performance requirements
Key changes include:
-- A new Section was added to recognize arc-resistant CSST products
-- The code now allows Schedule 10 steel pipe to be used, whereas previously, Schedule 40 was the lightest steel pipe material allowed
-- Schedule 10 steel pipe joints are allowed to be welded, brazed, flanged or assembled with press-connect fittings
-- Schedule 10 pipe cannot be threaded
-- The code clarifies that appliance shutoff valves located behind movable appliances, such as ranges and clothes dryers, are considered to be provided with the required access
-- The code now calls for the plastic vent pipe material to be labeled as complying with the standards for the specific pipe material as called out by the manufacturer
-- As an alternative, the plastic pipe can always be listed to UL1738
-- The clearances between direct-vent appliance vent terminals and openings in the building exterior that could allow combustion products to enter the building have been revised