Viking® VK638, Corridor Sprinkler, 8.0K, Extended Coverage, Horizontal Sidewall, QR, 3/4" NPT, Brass, 175 Degree 17375AD Fire Sprinkler Head VK4921 • Two SPDT contacts are

• Two SPDT contacts are enclosed in a durable terminal block for added strength

49-334-7-095

155 Degree 12285MB/W Fire Sprinkler Head

NiCad Battery - Must connect the battery after installation

51-895-4-135

Viking® VK638, Corridor Sprinkler, 8.0K, Extended Coverage, Horizontal Sidewall, QR, 3/4" NPT, Brass, 175 Degree 17375AD Fire Sprinkler Head VK4921 • Two SPDT contacts areViking VK638, Corridor Sprinkler, 8. 0K, Extended Coverage, Horizontal Sidewall, QR, 3 4" NPT, Brass, 175 Degree 17375AD Fire Sprinkler Head Horizontal Sidewall, Quick Response, 8. 0 K Factor, Large Orifice, Extended Coverage, Horizontal Sidewall, Corridor Sprinklers (wide throw), Sprinkler, Light Hazard Only, (General reference only Always refer to technical datasheet for accurate listings and approvals) Available In Multiple Colors and Temperatures.