Technical Information Models 25L EHF 50L EHF 80L EHF 125L EHF 160L EHFA 160L EHFD 250L EHFA 315L EHFA 400L EHF Storage Capacity (L) 33 55 84 140 172 170 279 334 424 Hot Water Delivery (L) 25 50 80 125 160 160 250 315 400 1-8, 2-4, 3-6 1-8, 2-4, 3-6 1.8, 2.4, 3.6 1.8, 2.4, 3.6 1.8, 2.4, 3.6 2.4, 3.6 2.4, 3.6, 4.8 3.6, 4.8 3.6, 4.8 N/A N/A N/A N/A 53 N/A 76 86 84 Element Size (kW)# Boost Capacity (Twin element only) (L) Incl.