See all products of Compact manifolds for central heating system DN 32 Manifold for heating and cooling systems. 2 outlets. Manifold for heating and cooling systems. 3 outlets. Manifold for heating and cooling systems. 4 outlets. Manifold for heating and cooling systems. 5 outlets. Hydraulic separator for heating and cooling systems. Pair of plugs with gaskets for unused outlets. Pair of fittings with gaskets.