draft limiter z4 130 x 190 mm Ausdehnungsgefäß or overcast skies

or overcast skies

This effectively prevents boiler corrosion and extends the boiler's service life

0 kW Energy consumption (A7/W35) 0

thus ensuring a continuous and on-demand hot water supply

Energy efficiency class: A+

draft limiter z4 130 x 190 mm Ausdehnungsgefäß or overcast skiesTrain 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