On stock Central Heating Manifolds - Underfloor Heating Manifold Ball valves SET 1" with thermometers for heat manifold - 2 pcs. ZKT DN25 manifold €42.99 Underfloor heating manifoldvalves - 2 pcs Size: DN 25 1 "The set includes 2 valves (blue and red) and 2 thermometersValve material: chrome plated brassThe undefloor heating manifold valves by Nordic Tec. Add to basket