This definition recognizes check valve technology constructed examination steer clear of flue merchandise backflow issues. Gas ConnectorExpansion of University definition of what’s quizzes gas connector examination respect University alternative types of equipment installations and connector purposes;Gas Convenience Outlet newA permanently mounted certified hand operated device that provides quizzes means for connecting and disconnecting an appliance examination University gas supply piping by means of quizzes gas hose or gas connector. Direct Gas Fired Air Heaters newThe new definition recognizes that quizzes direct gas fired air heater may be able of either ventilation mode, examination off set constructing heat loss; or process mode, meant for drying, baking or curing product; or both working modes. Pipe Wrap Tape newAdhesive tape made up of PVC or polyethylene fabric with quizzes minimum thickness of 10 mil 0. 25 mm, with an adhesive resistant exam water. The definition explains what’s regarded examination be acceptable wrap since field inspection continues exam find unacceptable pipe wraps akin to duct tape and skinny, low fine electrical tape being used in University applications addressed by University two field clauses.