Vacuum regulator Z6 (zugbegrenzer) for chimney mounting with sleeve and tensioning strap for furnaces and boilers for oil, gas or solid fuels, fi 180, according to DIN 18160, W: ZRM 6101
Vacuum regulator Z6 (zugbegrenzer) for installation in a chimney with a sleeve for furnaces and boilers for oil, gas or solid fuels, fi 154, according to DIN 18160, W: ZKH 6001