(2) 23 gallon tanks
---- System will supply a 250,000 BTU water heater or a limited amount of appliances
---- Above ground installation
---- Tanks can be exchanged and do not need to be filled onsite.
120 gallon tank
---- System will supply a 400,000 BTU water heater and other appliances.
---- Above ground installation
---- Tank is filled onsite
250/500/1000 GALLON
---- Systems will supply multiple appliances
---- High capacity and burial advantage
---- Tank is filled onsite