-Indirect fired combustion heaters -Horizontal versions on request -High air output and high pressure centrifugal fans -From 1 to 4 fans according to model -Delivered with or without 2 stage oil or gas burners (Riello supplied as standard) -Thermo regulator and sensor delivered as standard -Combustion chamber guaranteed 5 years with highly efficient output heat exchanger including stainless steel vanes -Double panel bodyshell in galvanised steel with thermal sound proof insulation -Double airstat control burner / ventilation -IP 44 electrical control panel with switches, thermal protection and relays -Kit to offer a separately located control panel up to 10m optional -Kit for an exterior installation optional -G4 pocket air filters optional -Regulating dampers for output and air pressure optional -Special models for inflated structural displays optional -Heaters delivered in 2 or 3 parts to be assembled on site