Factory Mutual (FM) and/or Underwriting Laboratories (UL) pumps are used within sprinkler installations to protect a wide range of properties from the effects of fire. There is a vast range of products available for individual property installation requirements. Units are available compliant to the latest National Fire Protection Association (NFPA20) requirements and annexes, with further approvals to either Factory Mutual (FM) Datasheets or listed in the Underwriting Laboratories (UL).