Title: TFP510_06_2015.pdf
For wet pipe system installations of the 1 inch NPT Series DS-1 Dry-Type Sprinklers connected to CPVC piping, use only the following TYCO CPVC fittings:1" x 1" NPT Female Adapter (P/N 80145)1" x 1" NPT Female Adapter (P/N 80145)1" x 1" x 1" NPT Sprinkler Head Adapter Tee (P/N 80249)1" x 1" x 1" NPT Sprinkler Head Adapter Tee (P/N 80249)For wet pipe system installations of the the 3/4 inch NPT Series DS-1 Sprin- klers connected to CPVC piping, use in the 3/4" x 3/4" NPT Female Adapter (P/N 80142).For dry pipe system installations, use only the side outlet of maximum 2-1/2- inch reducing tee when locating the Series DS-1 Sprinklers directly below the branch line. Otherwise, use the configuration shown in Figure 13 to assure complete water drainage from above the Series DS-1 Dry-Type Sprin- klers and the branch line. Failure to do so may result in pipe freezing and water damage.