Boliler Accessories The external self protected multi pin plug allows easy connections; the simple disconnection of the plug permits to work safety on the burner. A locking device locates the cables of the valve unit in the most suitable seat preserving them from any accidental breakage The carrying structure is totally made in die cast aluminium while the combustion head and the deflecting disk are made in stainless steel. The quality of the high manufacture standard and the severe testes guarantee a greatreliability and an excellent duration