It is specifically designed to work with the Honeywell S8610U and related intermittent pilot controls

As an SPST (Single Pole Single Throw) configuration

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

inspect the bypass flame adjustment

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

Armstrong Fluid Technology 571110LF-344 Valve 326010-701 It is specifically designed toThe 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