Why are Simplex tea kettles recommended by many tea drinkers? Simplex tea kettles are known for their durability, sturdiness and loud whistle. These tea kettles are also manufactured by Simplex, a company known for its rich British heritage. Simplex has been manufacturing copperware since 1903 and its products exceedingly surpassed consumers’ expectations. The company used copper because it is light weight and has excellent heat conductivity. Simplex boosts that its copper kettles are manufactured using a combination of old style design and modern and state of the art manufacturing technologies. Simplex tea kettles are also of high quality because every product is checked up to several times during production. The kettles also conform to safety standards in both the United States and United Kingdom. The No. 1 Simplex Copper Kettle is one of the favorites of tea drinkers. This product is a high gloss finished solid copper kettle. It has solid brass fixings and could be used for electric hot plate or gas. One downside of this product is that it will need regular polishing. The No. 2 Simplex Chrome Kettle has a mirror chrome finish while the No. 3 model features solid copper, high gloss finish. Regular polishing is also needed in the No. 3 Simplex Copper Kettle.