Biasi Diverter Valve Repair Kit BI1141501

Biasi Diverter Valve Repair Kit (BI1141501) The Biasi Diverter Valve Repair Kit (Part No: BI1141501) is a targeted internal mechanical overhaul solution engineered for the high-performance brass hydraulic distribution blocks utilized across Biasi's flagship Garda, Parva, Riva, and M90 combination boiler series. This service kit contains the high-tolerance replacement cartridge assembly, central control stem, dynamic spring mechanisms, internal packing gland, and a complete layout of durable sealing gaskets. By renewing these critical, high-wear internal components, it eliminates mechanical sticking and internal tracking faults within the hydro-block, ensuring the boiler dynamically routes primary thermal energy cleanly between the space heating system and the domestic hot water plate heat exchanger. Internal Bleed Resolution: Repairs the classic cross-circuit failure where heated primary water leaks into the radiator network during summer tap operation, locking the thermal output exclusively to domestic hot water demands. Low-Friction Operation: Built with a precision-machined center stem and dynamic components that resist structural binding, ensuring smooth mechanical responses against the boiler's hydraulic pressure changes. Resilient Sealing Design: Packed with specialized rubber O-rings and packing seals engineered to withstand intense thermal cycling, system pressure fluctuations, and chemical central heating inhibitors. Cost-Efficient Overhaul: Provides a focused mechanical rebuild that restores factory-level hydraulic isolation without the high part cost and extended labor required to replace the entire heavy brass valve housing. Compatible Models: BIASI GARDA HE M96.28SM BIASI M90.24S BIASI M90.28S PARVA HE M96.24SM/P PARVA HE M96.28SM/P PARVA HE M96.32SM/P BIASI M90E.24S BIASI M90E.28S BIASI M90E.32S RIVA ADVANCE HE ISO M110B.24SM RIVA ADVANCE HE ISO M110B.32SM BIASI M90F 24S BIASI M90F 28S BIASI M90F 32S BIASI M96.24SM/C BIASI M96.28SM/C BIASI M96.24SM/B BIASI M96.28SM/B BIASI M96.24SM/D BIASI M96.28SM/D GARDA HE PLUS M110.24SM/E GARDA HE PLUS M110.28SE/E BIASI M90D.24S BIASI M90D.28S RIVA COMPACT HE M96.24SM/C2 RIVA COMPACT HE M96.28SM/C2 RIVA COMPACT HE M96.32SM/C2 BIASI M110.24SM/C BIASI M110.32SM/C Biasi Garda HE M96.24 SM/B — 47-970-25 Biasi Garda HE M96.24 SM/D — 47-970-27 Biasi Garda HE M96.28 SM/B — 47-970-26 Biasi Garda HE M96.28 SM/D — 47-970-28 Biasi Garda M90F 24S — 47-970-19 Biasi Garda M90F 24SR — 41-970-10 Biasi Garda M90F 28S — 47-970-20 Biasi Garda M90F 28SR — 41-970-11 Biasi Garda M90F 32S — 47-970-22 Biasi Parva M90 24S 2002 — 47-970-13 Biasi Parva M90 28S 2002 — 47-970-14 Biasi Riva Advance HE M110.24SM/C — 47-970-29 Biasi Riva Advance HE M110.32SM/C — 47-970-30 Biasi Riva Advance Iso M110B.24SM/C — 47-583-11 Biasi Riva Compact HE M96.24 SM/C — 47-970-23 Biasi Riva Compact HE M96.28SM/C — 47-970-24 Biasi Riva Compact M90E 24S — 47-970-17 Biasi Riva Compact M90E 28S — 47-970-18 Biasi Riva Compact M90E 32S — 47-970-21 Biasi Riva Plus M90D 24S — 47-970-15 Biasi Riva Plus M90D 24SR — 41-970-08 Biasi Riva Plus M90D 28S — 47-970-16 Biasi Riva Plus M90D 28SR — 41-970-09 Biasi A00295-01