Click to expand Tap to zoom Cetetherm Micro STC - Spare Parts by Cetetherm SKU Heating and tap water unit for one-family housing All-in-one unique tap water & heating solution with modulating supply temperature. Only one device for both tap water & radiator OR floor heating. Maximum comfort with minimum energy usage Downloads Manuals Micro CM737 & Round 2021-03.pdfPdf, 6 MB, opens in new window. Micro CM737, Round & Wilo 2021-12.pdfPdf, 4.6 MB, opens in new window. Connect Round to internet via Gateway 2021-09.pdfPdf, 780.5 kB, opens in new window. Brochures Micro STC 2021-12.pdf Certificates Decl of Conf Art 4.3 AquaMicro & Micro 2021-09.pdfPdf, 104.3 kB, opens in new window. Accessories