Philips PerfectCare Azur Steam iron GC4912/30 Steam 45g/min;180g steam boost T-ionicGlide soleplate Safety Auto off + Anti-calc Safe for all ironable garments with OptimalTemp technology and T-ionicGlide soleplate
Sometimes I hear a sizzling sound when I place the iron on heel. Is this normal?
This is normal. It is the sound of water coming into contact with the soleplate steam chamber walls.
The performance of the appliance is not affected at all.