Biasi Activ A / Advance / Inovia Gas Valve – Pre-Owned & New | Part No. BI1313103

When a Biasi Activ A, Advance, Advance Plus ERP, or Inovia boiler fails to ignite, loses flame stability, or locks out, a faulty gas valve is a very common cause. The Biasi Activ A 12OV Gas Valve (Part No. BI1313103) is the direct replacement that restores accurate gas flow regulation, ensuring safe combustion and consistent heating output across the full range of compatible Biasi boiler models.

This part is available in both Pre-Owned and Brand New condition. The pre-owned unit is inspected and tested before dispatch. The brand-new variant comes directly from stock in factory condition, carrying a full 12-month warranty.

Compatible Boiler Models

Key Features

• Biasi part number BI1313103 — direct OEM replacement
• Available Pre-Owned (6-month warranty) or Brand New (12-month warranty)
• Controls gas flow and regulates flame size for safe, stable combustion
• Covers Biasi Activ A, Advance (all variants), Advance Plus ERP, and Inovia (including ERP variants)
• Resolves ignition faults, lockouts, and inconsistent heating output

Delivery & Returns

Orders placed before 1:00 PM are dispatched the same working day. Standard and next-day delivery available at checkout. Returns accepted within 30 days if unused and in original packaging.

Important: Always use a Gas Safe registered engineer for installation.