Thermomètre d.40mm retour bleu lg.25 De Dietrich 300000915

The Thermometer d.40mm return blue lg.25 measures the temperature of the return line in heating systems. Featuring a 40mm dial and blue indicator, it offers easy-to-read temperature data for boiler and burner applications. This component is essential for balancing and optimizing heating system performance, making it a useful part for maintenance and repair.