For Boiler Load or Floating Heat Mode. Flow up to 2150 L/h (9.5 USgpm).
Use high temperature zone modules F31 in closed loop design to supply high temperature zones, such as indirect water heaters, baseboards or fan coil units, or as modules for injection mixing.
Supply and return lines are 1“ NPT. Up to 9 high temp modules could be installed on one manifold.