Decrease quantity for Siemens 587-23-1-H-C Combi Valve & Bypass Manifold Unit (HHW) – Right Handed DN20 manifold with 80mm pipe centres, Y-strainer with 1” P/T plugs, drain & hose connector, 1” P/T plugs on valve c/with VPI46.20F1.4QF-53-1368 Quantity Increase quantity for Siemens 587-23-1-H-C Combi Valve & Bypass Manifold Unit (HHW) – Right Handed DN20 manifold with 80mm pipe centres, Y-strainer with 1” P/T plugs, drain & hose connector, 1” P/T plugs on valve c/with VPI46.20F1.4QF-53-1368 Add to cart