Technical Specification

Elements (storage) - mineral insulated stainless steel sheathed
Insulation - opacified silicaceous aerogel and mineral fibre mat
Storage core - high density iron oxide compound
Fan unit - crossflow
Controls - hydraulic head temperature compensated, room and storage core temperature sensitive, auto-set charge control
Protection - two level thermal safety overheat
Supply - 230/240V AC single phase

Model	Rating Storage (kW)	Direct Acting (kW)	Charge Acceptance (7 hrs) (kWh)	Number of Elements	Number of Core Bricks	Remaining Useful Heat After 17hrs (Static) Discharge (Fan off) (%)
SFHA18AW	2.5	1.5	17.6	3	12	40
SFHA24AW	3.4	1.5	23.5	4	16	40