Weller high performance soldering iron weller wps18mpuk the weller wps18mp high performance soldering iron heats up and recovers three times faster than a standard homehobbyist soldering iron the 18 watt iron heats from room temperature to 480degc in just 35 seconds and delivers performance equivalent to a typical 60 watt iron a red led power on indicator turns green when the iron is up to temperature another bright white led shines right on the work weller wps18mpuk high performance