Decrease quantity for Siemens 587-33-1-H-D Combi Valve & Bypass Manifold Unit (HHW) – Right 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 VPI46.25F3.6QF-53-1373 Quantity Increase quantity for Siemens 587-33-1-H-D Combi Valve & Bypass Manifold Unit (HHW) – Right 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 VPI46.25F3.6QF-53-1373 Add to cart