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8 - sanitary engineering, two-wheel engineering, other fuel oil hold-back system
8 - sanitary engineering, two-wheel engineering, other fuel oil hold-back system
fuel oil hold-back system
ordernumber 424
- Function of the float on ingress of waste water or the ingress of heating oil
- Function of the backpressure flap and the backpressure seal
- The inflow of the waste water can be demonstrated by three movable slide bars