Viking® VK331, Model M, 4.2K, Standard, Pendent, QR, 1/2" NPT, White, 175 Degree 21271MD/W Fire Sprinkler Head 56-452-1-001 Must be painted by the

Must be painted by the manufacturer

Previously part numbers

Fire sprinkler escutcheon cover plate for use with Viking fire sprinkler model numbers:  VK404

Pendent - Obsolete See Replacement

Previous part number E31

Viking® VK331, Model M, 4.2K, Standard, Pendent, QR, 1/2" NPT, White, 175 Degree 21271MD/W Fire Sprinkler Head 56-452-1-001 Must be painted by theViking VK331, Model M, 4. 2K, Standard, Pendent, QR, 1 2" NPT, White, 175 Degree 21271MD W Fire Sprinkler Head The Viking Microfast Quick Response Pendent Sprinkler VK331 is a small thermosensitive glass bulb spray sprinkler available with various finishes and temperature ratings to meet design requirements. The special Polyester and Electroless Nickel PTFE (ENT) coatings can be used in decorative applications where colors are desired. In addition,