Boiler Trim Kits (Expansion Tank Packages)
All kits include:
1) 1/8" Float Vent
2) 1/8" M x F Ball Valve
3) Air Eliminator (1" or 1-1/4")
4) Fill/Expansion Tank Valve with tee (Patent Pending)
5) Expansion Tank (15, 30 or 60 available)
Learn more from Raven Product's website