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Weller SI175 T0051808799 175 W Soldering Iron1 / 2
Product guide

Weller SI175 T0051808799 175 W Soldering Iron

The Weller SI175 soldering iron (T0051808799) is a corded 175-watt tool described for heavy-duty and light-industrial work. Its high stated power and 500°C maximum temperature suit demanding tasks, though customer feedback reports mixed experiences with how quickly it heats up.

At a glance

  • Described for professional users, light industry and demanding tasks such as thicker sheet metal work.
  • Supplied with a straight, nickel-plated soldering tip according to the feature description.
  • The manufacturer lists a maximum temperature of 500°C.
Price
£80.55Save 15%

Reference price: £94.77

Price checked: 12 Nov 2026

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Often bought together

Pros and cons

Pros

  • The stated 175 W output is aimed at high-power jobs, including demanding sheet-metal work.
  • A corded power source avoids reliance on a battery during use.

Cons

  • Its heavy-duty, high-power positioning may be excessive for delicate low-power soldering tasks.

Technical specifications

12 specifications
Identity
BrandWeller
ModelT0051808799
Power and temperature
Power configurationCorded Electric
Wattage175 watts
Input voltage240 Volts (AC)
Maximum temperature500 Degrees Celsius
Heating elementNichrome
Design and use
StylePencil
Handle materialiron
Weight listed2.31 Pounds
Specific usesElectronics assembly, circuit board repair
Special featureHeavy Duty

What to know before buying

Listing details to confirm

The listing gives 240 Volts (AC) in the technical details but also describes the iron as 230 V in manufacturer feature text. It also names a straight tip as supplied while another feature mentions a curved tip. Confirm the exact voltage and tip configuration for the selected listing before buying.

What’s in the box

Included
  • Soldering iron with straight nickel-plated tip
  • Galvanised safety rest

Who is it for?

A good fit for

  • Professional users and light-industrial operators tackling demanding soldering work.
  • Buyers seeking a corded iron for higher-power tasks such as thicker sheet metal work.

Less suited to

  • Users who need a temperature-controlled soldering station. No adjustable temperature control is specified.
  • Buyers whose work requires a confirmed curved tip, since the supplied-tip description conflicts with another tip reference.
Weller SI175 T0051808799 175 W Soldering Iron · photo 2
Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 31 ratings
  • 5 stars75%75%
  • 4 stars12%12%
  • 3 stars0%0%
  • 2 stars9%9%
  • 1 star4%4%

Customer feedback highlights perceived good quality but gives mixed impressions of heat generation, including reports that the iron can take a while to get hot. That concern may matter during repeated or time-sensitive work, despite the listing's high 175-watt rating. Aggregate ratings lean positive overall but include lower-star ratings, so they do not establish consistent warm-up performance.

Positive themes

  • Customers describe the soldering iron's quality favourably.

Mixed feedback

  • Heat generation receives mixed feedback, with some customers reporting a slow warm-up.

Frequently asked questions

What is the SI175 rated at?

The listing states 175 watts and a maximum temperature of 500 Degrees Celsius. Its voltage details conflict, with 240 Volts (AC) in the technical section and 230 V in manufacturer feature text, so confirm the version before purchase.

Which tip is supplied?

The included-components detail and feature text specify a straight, nickel-plated tip. Another feature mentions a nickel-plated curved tip, so the exact configuration is unconfirmed in the listing.

Is this suitable for delicate circuit-board work?

Electronics assembly and circuit board repair are listed uses, but the iron is also positioned for heavy-duty work at 175 watts. The supplied information does not specify adjustable temperature control, so it may not suit tasks requiring precise temperature setting.

What do customers say about heating?

Customer feedback describes heat generation as mixed, with some customers saying the iron takes a while to get hot. This is a reported perception, not a guaranteed warm-up time.

Alternative options

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