Plumbing fittings as are included in this class, being fittings for gas supply, including press sleeve and pull-up sleeve fittings in the nature of straight connectors; elbows; equal tees; reducing tees; male and female adaptors; reducing elbows; end stops; swivel fittings; swivel adaptors; swivel elbows; manifolds including manifolds with branches; angle stops; straight stops; stop valve tee adaptors; stop valve connectors; faucet connectors; toilet connectors, toilet elbows; pipe connections and couplings; conversion tees; tap connectors; flexible water heater connectors; supports for piping; compression adaptors; press rings; crimp rings; compression sleeves; pipe clips; sleeves; valve connections and couplings; check valves; parts of and accessories for such goods as are included in this class; all of the aforesaid goods being made primarily from metal

Plumbing fittings as are included in this class, being fittings for gas supply, including press sleeve and pull-up sleeve pipe and fittings in the nature of pipes, straight connectors; elbows; equal tees; reducing tees; male and female adaptors; reducing elbows; end stops; swivel fittings; swivel adaptors; swivel elbows; manifolds including manifolds with branches; angle stops; straight stops; stop valve tee adaptors; stop valve connectors; faucet connectors; toilet connectors; toilet elbows; pipe connections and couplings; conversion tees; tap connectors; flexible water heater connectors; support for piping; compression adaptors; press rings; crimp rings; compression sleeves; pipe clips; sleeves; valve connections and couplings; check valves; parts of and accessories for such goods as are included in this class; all of the aforesaid goods being made primarily from non-metallic, including plastic materials

Pipe fittings made wholly or principally of metal, including but not limited to bends, clips, connectors, couplings, extensions, junctions, sections and unions; pipes made wholly or principally of metal, including but not limited to gas pipes; pipe parts made wholly or principally of metal, including but not limited to gas pipe parts; metal hardware

Non-metallic pipe fittings, including but not limited to bends, clips, connectors, couplings, extensions, junctions, sections and unions; pipes made of synthetic or flexible material, including but not limited to pipes made of plastics; pipe parts made of synthetic or flexible material, including but not limited to pipes made of plastics

Pipe fittings made wholly or principally of metal, including but not limited to bends, clips, connectors, couplings, extensions, junctions, sections and unions; pipes made wholly or principally of metal, including but not limited to gas pipes; pipe parts made wholly or principally of metal, including but not limited to gas pipe parts; metal hardware

Non-metallic pipe fittings, including but not limited to bends, clips, connectors, couplings, extensions, junctions, sections and unions; pipes made of synthetic or flexible material, including but not limited to pipes made of plastics; pipe parts made of synthetic or flexible material, including but not limited to pipes made of plastics

Attachment parts of metal for gas pipes; control valves (manual) for controlling the flow of gasses (other than parts of machines); metal gas pipe parts; metal tubes for gas; seals of metal for preventing leakage of gases; stop valves of metal (other than parts of machines, or being regulating or safety apparatus for water and gas)

Hoses in this class; flexible metal hose assemblies for conveying fuel gas, parts and fittings therefor