Ensure the sampling holes are oriented correctly into the airflow to maintain NFPA 72 compliance and system sensitivity

Always verify valve body pressure ratings before installation

inspect the bypass flame adjustment

How do I calibrate the 4-20mA signal

As an SPST (Single Pole Single Throw) configuration

Armstrong Fluid Technology 571110LF-344 Valve 326010-701 Ensure the sampling holes areThe Armstrong Fluid Technology 571110LF 344 is a high performance 1 1 2" NPT circuit balancing valve engineered for precise hydronic flow regulation in commercial HVACR systems. As a lead free (LF) CBV150VTCR model, it serves as the direct replacement for 571109 344 and 571110 344, ensuring compliance with modern potable water standards. This Y pattern globe style valve features a multi turn micrometer handle with a set point indicator, allowing for