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The WELLER 9400PKS is a dual-wattage soldering gun rated at 100 to 140 watts and designed for heavy-duty electrical, HVAC, and general trade applications. It operates on 120 volts and features a co-molded pistol grip handle that fits the hand securely during extended use. Three built-in LEDs illuminate the work area, and the gun reaches operating temperature in approximately 6 seconds, minimizing downtime on the job. Two trigger positions allow the technician to switch between the lower and higher wattage settings depending on the task. A minimum operating temperature of 900 degrees F makes this tool suitable for high-mass solder joints.
The 9400PKS is well suited for residential and light commercial electrical work, HVAC field repairs, plumbing applications involving soft solder, and general-purpose wire termination. The pistol-grip form factor is standard for this class of soldering gun and is preferred by technicians who need one-handed control in tight spaces or overhead work. On-board wrench storage built into the handle keeps the tip-change tool accessible without requiring a separate pouch or tray.
Designed as an OEM-style replacement or direct-purchase soldering gun for trade professionals requiring a dual-wattage pistol-grip tool in the 100 to 140 watt class.
This tool is installed by plugging into a standard 120-volt grounded outlet; no hardwiring or special circuit is required. Allow the gun to cool completely before changing tips or performing maintenance, and use the on-board wrench to avoid contact with heated components. Follow applicable electrical safety guidelines and local codes when using soldering equipment in occupied or energized work areas. Do not use this gun on electronics or circuit boards where lower-wattage pencil-type irons are specified.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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