Viking® VK310, Model M, 5.6K, Standard, Conventional, QR, 1/2" NPT, White, 155 Degree 19391MB/W Fire Sprinkler Head Viking Fire Sprinkler Wrench 15209W/R the Series LFII (TY4334) should

the Series LFII (TY4334) should be the first choice

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Viking® VK310, Model M, 5.6K, Standard, Conventional, QR, 1/2" NPT, White, 155 Degree 19391MB/W Fire Sprinkler Head Viking Fire Sprinkler Wrench 15209W/R the Series LFII (TY4334) shouldViking VK310, Model M, 5. 6K, Standard, Conventional, QR, 1 2" NPT, White, 155 Degree 19391MB W Fire Sprinkler Head The Viking Microfast Quick Response Conventional Sprinkler VK310 is a small, thermosensitive, glass bulb spray sprinkler available in several different finishes, temperature ratings, and K factors to meet design requirements. The special Polyester and Electroless Nickel PTFE (ENT) coatings can be used in decorative applications where