Decrease quantity for Siemens 587-AC-1-L-D Combi Valve & Bypass Manifold Unit (HHW) – Left Handed DN25 manifold with 80mm pipe centres, Y-strainer with 1” P/T plugs, drain & hose connector, 1” P/T plugs on valve c/with VPI46.25F1.8QF-53-1339 Quantity Increase quantity for Siemens 587-AC-1-L-D Combi Valve & Bypass Manifold Unit (HHW) – Left Handed DN25 manifold with 80mm pipe centres, Y-strainer with 1” P/T plugs, drain & hose connector, 1” P/T plugs on valve c/with VPI46.25F1.8QF-53-1339 Add to cart