1.25 inch trunk
4x 007 or equivalent pump
4 zone relay Tecmar or Taco
Automatic fill valve with backflow preventer
Air separator
Isolation valve with Drain for expansion tank
Approximately 110lbs
Expansion tank not included
4 zone panel Radiant or hydronic heating
1.25 inch trunk 3/4″ Supply and return with isolation valves and purge ports.