Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,478 pages of information and 233,901 images on early companies, their products and the people who designed and built them.

Sarco Thermostats

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October 1952.

Sarco Thermostats Ltd. of Cheltenham, Gloucestershire.

1888 Sanders, Rehders and Co in London imported Sarco thermostatic steam traps from Germany.

1908 Office established in New York, began trading as the Sarco Fuel Saving and Engineering Company.

WWI manufacture of steam traps began under licence in USA

1932 a new business was established in London to manufacture Sarco steam traps but under a different brand name: Spirax (derived from the helical spiral tubing which formed an integral part of the steam traps).

1935 Sarco set up its own factory in Pennsylvania, and the company became known as the Sarco Manufacturing Corporation. Sarco-branded steam traps and apparatus were exported to Europe; Sanders, Rehders & Co. had become a selling agent for Sarco products and changed its name to Sarco Thermostats

1937 Spirax Manufacturing Co, after acquiring Sarco Thermostats, moved to Cheltenham. The acquisition gave Spirax the right to use the Sarco brand name as well.

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