UL 448B

Standard for Residential Fire Pumps Intended for One- and Two-Family Dwellings and Manufactured Homes

This Standard includes requirements for fire pumps used in water-supply systems for one- and two-family dwellings and manufactured homes. The requirements help to ensure that, in the event of a fire, a pump will supply water to a fire sprinkler system under extreme conditions.

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More Fire Protection and Alarm Standards

Fire Protection
  • Window assemblies
  • Heat-responsive links in fire-protection systems
  • Residential fire sprinklers
  • Fire hydrants
  • Construction of fire extinguishers
  • Rating and testing for fire extinguishers
  • Surface burning of building materials
Fire Protection
  • Fire tests of roof coverings
  • Fire tests of interior finishes
  • Fire protection pipe and fittings
  • Circuit integrity of cables during fires
  • Fire-resistant coatings and materials
  • Fire test for plastic plumbing pipes
  • Residential fire pumps
Alarm Standards
  • Household burglar alarms
  • Gas detectors
  • Home healthcare signaling devices
  • General purpose signaling devices
  • Carbon monoxide alarms
  • Smoke alarms
  • Smoke detectors for fire alarms
  • Fire warning systems