# 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.

- [Original product page](https://bargainpostbox.co.uk/product/weller-si175-t0051808799-175w-soldering-iron)
- [View offer](https://bargainpostbox.co.uk/visit/weller-si175-t0051808799-175w-soldering-iron)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: Weller
- Model: T0051808799
- Price: 80.55 GBP
- Previous price: 94.77 GBP
- Discount: 15%
- Price checked: 2026-11-12T17:36:55.136Z
- Rating: 4.4 / 5
- Reviews: 31

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## 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.

## 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.

## Specifications

### Identity
- Brand: Weller
- Model: T0051808799
### Power and temperature
- Power configuration: Corded Electric
- Wattage: 175 watts
- Input voltage: 240 Volts \(AC\)
- Maximum temperature: 500 Degrees Celsius
- Heating element: Nichrome
### Design and use
- Style: Pencil
- Handle material: iron
- Weight listed: 2.31 Pounds
- Specific uses: Electronics assembly, circuit board repair
- Special feature: Heavy Duty

## Before you buy

- 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.

## In the box

- Soldering iron with straight nickel-plated tip (Included): The manufacturer components list names the iron and tip together.
- Galvanised safety rest (Included)

## 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.

## Customer feedback

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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- [Weller 6150 Spare Tip for 05/D \| Replacement tip designed for use with the Weller Robust 05/D heat gun.](https://bargainpostbox.co.uk/visit/weller-si175-t0051808799-175w-soldering-iron)

## Add-ons

- [AUSTOR 1.5mm Lead Free Solder Wire with Rosin Core, Sn 99% Ag 0.3% Cu 0.7% \| 50g](https://bargainpostbox.co.uk/visit/weller-si175-t0051808799-175w-soldering-iron)

## Images

![Weller SI175 T0051808799 175 W Soldering Iron — 1](https://bargainpostbox.co.uk/i/y0J7qKPfFq-ziW8VvpZEfiC_ZnaLsOc_mfMbVZBD4W4uZpmz9bBKdzAEfmpsTkWuafOX3Api9Gpqm3kUz3_W7NgiDxR4kPOVC-nZvEbJek0CZIlq1n4F.jpg)

![Weller SI175 T0051808799 175 W Soldering Iron — 2](https://bargainpostbox.co.uk/i/vviR9VaxHszTiTuz1BvQIN-lZkmeF1UOdVcMWaZ2P4wcpZz81f_mxVDpvC2d6-b-Hg3vdPflEltbjEtYkFauWR-8Mu71VSKYYBGOaSsgN1tWGXdz5BOS.jpg)