Decrease quantity for Siemens 587-1C-1-H-A Combi Valve & Bypass Manifold Unit (HHW) – Left Handed DN15 manifold with 80mm pipe centres, Y-strainer with 1” P/T plugs, drain & hose connector, 1” P/T plugs on valve c/with VPI46.15L0.6QF-53-1364 Quantity Increase quantity for Siemens 587-1C-1-H-A Combi Valve & Bypass Manifold Unit (HHW) – Left Handed DN15 manifold with 80mm pipe centres, Y-strainer with 1” P/T plugs, drain & hose connector, 1” P/T plugs on valve c/with VPI46.15L0.6QF-53-1364 Add to cart