Are you aware Shipco makes atmospheric deaerators with cast iron receivers ?  These receivers carry a 20-year warranty against corrosion failure due to oxygen. 

Cast iron receiver sizes are available in sizes up to 500-gallons.  In fact, we are the only company in the steam condensate / feedwater industry that offers the 500-gallon cast iron receiver.  In fact, these receivers can be used in a yoked configuration for those boiler rooms with small footprint requirements or space limitations.

Shipco makes stacked deaerator systems .  What is a stacked deaerator system?  It’s a deaerator mounted above the surge tank and piped together in one piece in order to save money, time and space.  Please feel free to utilize this type of configuration when the situation warrants with your customer.