set of major consumables and spare parts for multi EA 4000 systems with HT 1500 furnace average consumption for 1000 analysis resp. 1 year (moderate sample throughput) Attention, the replacement of heating rods requires an authorized service engineer. Please contact your nearest service center to schedule replacement. set of major consumables and spare parts for multi EA 4000 systems with HT 1500 furnace average consumption for 1000 analysis resp. 1 year (moderate sample throughput) Attention, the replacement of heating rods requires an authorized service engineer. Please contact your nearest service center to schedule replacement.