Pump Packs
Pump packs are the pumps for pumping water or antifreeze through the ground loop. The pump packs are the pump (1 or 2) themselves, in a housing with convenient connections and purge ports (for purging the loop of air) on them.
Pump packs are the pumps for pumping water or antifreeze through the ground loop. The pump packs are the pump (1 or 2) themselves, in a housing with convenient connections and purge ports (for purging the loop of air) on them.