PriceCompass
Weller SI120D Marksman Heavy Duty Soldering Iron 120 Watts

Weller SI120D Marksman Heavy Duty Soldering Iron 120 Watts

Weller

Weller SI120D Marksman Heavy Duty Soldering Iron 120 Watts

Best price

£79.48atBlueperry agriculture (UK)Lowest we’ve seen
3 retailers comparedSave £6.47 vs the dearest

Where to buy

Retailers stocking this product, cheapest first
RetailerPriceAvailabilityVisit
Blueperry agriculture (UK)Cheapestchecked 23 hours ago£79.48In stockVisit Blueperry agriculture (UK) (opens in a new tab)
Blueperry Tool & Builders Merchants (UK)retailer's price from 16 Jul 2026£85.11In stockVisit Blueperry Tool & Builders Merchants (UK) (opens in a new tab)
Tooled Upchecked 23 hours ago£85.95£110.38In stockVisit Tooled Up (opens in a new tab)

Prices exclude delivery. We may earn a commission if you buy through these links, which never affects the ranking above — it is always cheapest first.

Price history

Full price history

This is the lowest price we have recorded. If you were waiting for a drop, this is it.

£79£82£8624 Aug 202616 Oct 2026
Cheapest price across all tracked retailers. Lowest recorded: £79 on 1 Sept 2026.

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About this product

The Weller SI120D Marksman is a heavy-duty soldering iron engineered for professional tradespeople and light industrial applications requiring robust performance. Delivering 120W of power with temperatures reaching up to 500°C, this corded soldering iron provides the thermal capacity needed for demanding electrical work and electronics assembly. Built for sustained use in workshop environments, the SI120D features a thermoplastic handle designed to deliver both comfort during extended soldering sessions and a secure, safe grip. All electrical and mechanical connections are engineered for reliability, ensuring consistent performance in daily professional use. This professional-grade soldering iron is supplied ready to use with a 3-pin UK plug and conforms to European safety standards. The unit comes fitted with a solid straight tip (12.5mm), providing excellent heat transfer for heavy-duty soldering tasks. At just 338g, the SI120D offers substantial power output whilst remaining lightweight enough for precise control.

Features and Benefits

  • :
  • 120W power output with 500°C maximum temperature for demanding industrial soldering
  • Thermoplastic handle engineered for comfort and secure grip during extended use
  • Mechanically and electrically secure connections for reliable performance
  • Supplied with 3-pin UK plug conforming to European standards
  • Lightweight 338g construction for reduced fatigue Specifications: Power Source: Corded 240V Input Power (W): 120 Max. Temperature (°C): 500 Voltage: 230/240V Tip: T0054310700, MT30 (43107) Solid Tip STR 12.5mm Weight: 338g

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