Click to expand Tap to zoom Viessmann Connection set heating circuit without pump 49 - 60 kW - Z008912 by VIESSMANN SKU Z008912 Please call to check availability before ordering Live Chat / 01985 850982Connection set for heating circuit without circulation pump - comprising: Tee with ball valve / Fill and drain valve / Safety valve Straight-through gas valve with integral thermally activated safety shut off valve Plug for circulation pump Accessories