Vacuum regulator Z6 (zugbegrenzer) for chimney mounting with wall sleeve for stoves and boilers for oil, gas or solid fuels, according to DIN 18160, W: ZWM 6001
Vacuum regulator Z9 (zugbegrenzer) for chimney mounting with sleeve and tensioning belt for furnaces and boilers for oil, gas or solid fuels, fi 200/220/250, according to DIN 18160, W: ZRM 9001