draft limiter z4 130 x 190 mm Lüfterrad Always follow the detailed instructions

Always follow the detailed instructions for use

4301 stainless steel

Defro Optima Ekopell 18 kW - Efficient and environmentally friendly pellet heating system

Ceramic surface coverings -> fully plastered with leveling compound and decoupling mat

white plastic housing not only underscores the modern design but also the robustness of the device

draft limiter z4 130 x 190 mm Lüfterrad Always follow the detailed instructionsTrain limiter Z4 130 x 190 mm The Upmann Z4 draft regulator is approved for use with oil, gas, and all solid fuels, whether in new installations, renovations, or all conventional systems. These systems require a specific and constant negative pressure for operation. If the chimney draft exceeds the value for optimal draft, the damper of the chimney draft regulator opens, reducing the negative pressure by allowing additional air to flow in. Once the