the unit incorporates an LED status indicator and accessible flame current test pins to verify microamp signals without breaking the circuit

If the actuator fails to hold pressure or reach its 3-inch stroke

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

inspect the bypass flame adjustment

maintaining the same 16 cubic inch desiccant volume while optimizing flow characteristics for modern refrigerants

Armstrong Fluid Technology 571110LF-344 Valve 326010-701 the unit incorporates an LEDThe 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