{"product_id":"vk3503-k8-0-quick-response-upright","title":"VK3503 K8.0 QUICK RESPONSE UPRIGHT","description":"\u003cp\u003eThe Viking VK3503 is a high-performance, quick response upright fire sprinkler designed to provide superior protection in commercial and industrial environments. Featuring a K-factor of 8.0, this sprinkler is engineered to deliver effective water distribution for a wide range of hazard classifications.\u003c\/p\u003e\n\u003cp\u003eThis versatile sprinkler is suitable for both standard upright installations and specialized in-rack storage configurations. For in-rack applications, models are designed with an integrated guard and shield to safeguard the operating elements from mechanical damage while preventing water from higher-level sprinklers from interfering with the thermal response.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications: \u003ca href=\"https:\/\/www.vikinggroupinc.com\/sites\/default\/files\/2026-07\/F_032625.pdf\" title=\"VIKING VK3503 Quick Response Upright Sprinkler K8.0 (115)\"\u003ehttps:\/\/www.vikinggroupinc.com\/sites\/default\/files\/2026-07\/F_032625.pdf\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e VK3503\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eK-Factor:\u003c\/strong\u003e 8.0 (115 metric)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse Type:\u003c\/strong\u003e Quick Response\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Upright\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 1\" NPT (25 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEngineered for durability and reliability, the VK3503 is available in a variety of temperature ratings and finishes to meet specific system requirements and environmental conditions. Its robust construction and specialized design make it an ideal choice for high-demand areas, including warehouses, storage facilities, and industrial complexes.\u003c\/p\u003e","brand":"Viking","offers":[{"title":"Brass \/ 135 \/ In-Rack With Guard","offer_id":50064166355192,"sku":"27107AAG","price":33.69,"currency_code":"USD","in_stock":true},{"title":"Brass \/ 135 \/ Standard","offer_id":50064166387960,"sku":"27107AA","price":24.43,"currency_code":"USD","in_stock":true},{"title":"Brass \/ 155 \/ In-Rack With Guard","offer_id":50064166289656,"sku":"27107ABG","price":33.69,"currency_code":"USD","in_stock":true},{"title":"Brass \/ 155 \/ Standard","offer_id":50064166322424,"sku":"27107AB","price":24.43,"currency_code":"USD","in_stock":true},{"title":"Brass \/ 175 \/ In-Rack With Guard","offer_id":50064166224120,"sku":"27107ADG","price":33.69,"currency_code":"USD","in_stock":true},{"title":"Brass \/ 175 \/ 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