this positioner spring is compatible with VG7000 series valves (1/2" to 2") when they are equipped with a V-3000-8011 or similar pneumatic actuator and the corresponding V-9502 pilot positioner

Featuring a 1/4 inch flare connection

which protects internal windings from debris and moisture while utilizing the system's airflow for optimal thermal management

preventing backdrafts and ensuring optimal thermal exchange

and light oil applications in HVACR and industrial fluid systems

Armstrong Fluid Technology 110108MF-677 Pump L99H008 this positioner spring is compatibleThe Armstrong Fluid Technology 110108MF 677 Pump is a heavy duty 1 2 HP boiler header pump specifically engineered for high performance circulation in Raypak and Laars boiler systems. As a primary HVAC circulator pump, this direct replacement for 110108 677 features a rugged steel body motor designed to withstand the rigors of commercial and industrial hydronic heating. Operating at a consistent 1750 RPM, it utilizes a multi voltage 115 208 230V