The PAW K31 - 1" high temperature pump module is designed for use in closed loop hydronic designs for indirect water heaters, baseboards, fan coil units or as a module for injection mixing. Upper supply and return lines are 1" NPT female thread. Bottom supply return lines are 1-1/2" male flat faced union connections for use with PAW - MV series distribution manifolds.
Supplied as standard with a 2-bolt flanged 115 volt Wilo Star21FX 3-Speed circulator.
Models supplied without circulator are available as an option.