This high-performance 3 Cell OEM Heat Exchanger is a genuine factory-authorized replacement designed specifically for Goodman and Amana HVAC systems

High Force Output: Provides 337 lbf stroke force

Common Questions Is the P499ACS-404 compatible with ammonia systems

Manual Override: Includes a manual lift stem

This 1-stage limit bulb T-stat utilizes a specialized remote sensing bulb to monitor discharge air or return air temperatures

Armstrong Fluid Technology 570109-376 Valve 321142-301 This high-performance 3 Cell OEMThe 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,