718-436-4444

sprinklers@wnwsons.com

NYC LICENSE - MFSC #986B

Service & Repairs


WNW & Sons offers 24 hour service throughout the five boroughs of New York, servicing all commercial, institutional and residential buildings.


Our fire sprinkler system service work includes:


  • 24 hour emergency sprinkler system repairs and service
  • Correction of fire department violations
  • Retro-fitting of existing sprinkler systems


Testing


We also offer complete testing services for your fire sprinkler system, including:


  • 5-Year FDNY Hydrostatic Tests
  • Dry pipe valve trip tests
  • Residential flow tests
  • Flow tests for insurance company
  • Full flow tests of fire pumps