Ferroli Falcon 80 Gas Valve VK4105G – Pre-Owned | Part No. 39808000

Ignition failure, an unstable flame, or inconsistent heat output in a Ferroli Falcon, Domina, Modena, Optima, or F Series boiler is frequently caused by a failing gas valve. The Ferroli Falcon 80 Gas Valve VK4105G (Part No. 39808000) is a professionally tested pre-owned replacement that restores precise gas flow regulation, ensuring safe, reliable combustion and stable heating performance.

This is a pre-owned Honeywell VK4105G gas control valve, tested and inspected by qualified engineers before dispatch. It provides accurate gas pressure regulation and correct burner operation — at a fraction of the cost of a new part. With only 2 units remaining in stock, availability is limited. The part provides a direct like-for-like fit across a broad range of Ferroli boiler series from the F, Domina, Falcon, Modena, and Optima ranges.

Compatible Boiler Models

Key Features

• Ferroli part number 39808000 / Honeywell VK4105G — direct OEM replacement
• Pre-owned: tested and inspected for safe gas flow control and pressure regulation
• Covers Ferroli F, Domina, Falcon, Modena, and Optima boiler series
• Resolves ignition faults, unstable flame, and inconsistent heating output
• Limited stock — only 2 units remaining
• 6-month warranty included

Delivery & Returns

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

Important: Gas valve replacement must always be carried out by a Gas Safe registered engineer.