KR51BL017 | 1Grv CI Sheave; 1 3/16" | Carrier Valve Size_4" - 2 Way **Key Features:** * NPT connection 381-330-020 Brand_Safe Signal Sprinkler With advanced electronic circuitry

KR51BL017 1Grv CI Sheave; 1 3 16" Carrier Valve Size_4" 2 Way **Key Features:** * NPT connection 381 330 020 Brand_Safe Signal Sprinkler With advanced electronic circuitry **Key Features:** * NPT connection for compatibility with standard piping * Lead free brass construction for durability and corrosion resistance * Precision machined threads for a secure connection **Benefits:** * Ensures a reliable connection for boiler feed pump and autofill systems * Provides a lead free water source for boilers * Reduces the risk of leaks and improves system efficiency **Applications:** * Boiler feed pump systems * Autofill systems * Commercial and industrial plumbing applications Shop our HVAC supply store for the best prices and fast shipping on your Caleffi products Control Module Two Stage Firing