Patent ID: 8662191

Claim:
A sprinkler assembly comprising: a sprinkler including a thermally responsive element; an extension member having opposite first and second ends and an internal passageway extending therebetween, said first end of said extension member coupled to said sprinkler; and an attachment system operable to couple said sprinkler and said extension member to an access member of a piping system in a fluid-tight arrangement, said attachment system including: a first polymeric fitting attached to said extension member adjacent said second end, said first fitting including a first engaging surface; a second polymeric fitting including opposite second and third engaging surfaces with an internal passageway extending therebetween, said third engaging surface configured for solvent welding to said access member of said piping system; and a clamping member clamping said first and second fittings together with said first and second engaging surfaces facing one another, wherein said clamping member and said first and second fittings form a fluid-tight connection between said piping system and said extension member.