Underfloor Heating Manifold Extension Coupling 1" Female. Technical Data: 1"F x 1"F BSP These couplings will allow you to join 2 manifolds together and will fit the following manifolds - Polypipe Polyplumb, Myson, Henco, Reliance, Watts, Prowarm, Soleflex and any manifold with a 1" MBSP thread. Please note: The design and colour may vary.
