High Force Output: Provides 337 lbf stroke force

Direct OEM replacement for Lochinvar RLY2402 and RLY2402K ensures seamless fit and electrical integration without field modifications

Manual Override: Includes a manual lift stem

ensuring zero-modification installation for contractors

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Armstrong Fluid Technology 570109-376 Valve 321142-301 High Force Output: Provides 337The Armstrong Fluid Technology 570109 376 (Model CBV 2 1 2FS) is a precision engineered circuit balancing valve designed to optimize hydronic performance in commercial HVAC systems. Featuring a 2 1 2" ANSI 125# flange connection and a robust cast iron body, this flanged balancing valve ensures accurate flow regulation within a 30 71 gpm flow rate range. The straight pattern design incorporates EPDM elastomers and two 1 4" pressure metering ports,