Saunier Duval Gas Valve – New | Part No. S1071400 (Themaclassic F24E/F30E/F35E)

A Saunier Duval Themaclassic boiler that won't ignite reliably or shows gas-related fault codes often needs a new gas valve to restore safe, efficient combustion. The Saunier Duval Gas Valve, Part No. S1071400, is the genuine replacement designed for the Themaclassic range, regulating gas flow into the burner for consistent heating and hot water performance.

This is a brand-new component, supplied ready to install with no modification needed for the compatible Themaclassic models.

Compatible Boiler Models

Genuine New Part. Backed by Warranty.

The gas valve regulates the flow of gas into the boiler's burner, ensuring safe and efficient combustion and helping the boiler maintain optimal heating and hot water performance. Signs of a failing valve include the boiler not igniting, unusual noises, or error codes. Supplied brand new with a full 12-month warranty.

Delivery & Returns

Orders placed before 1:00 PM (Mon–Fri) are dispatched the same working day, with standard delivery and a Saturday delivery option available at checkout. Returns are accepted within 30 days under our standard return policy.

Important Safety Note: Please confirm that part number S1071400 matches your existing unit before ordering. Gas valves must always be installed by a Gas Safe registered engineer (or qualified heating engineer), with a full gas-tightness test before the appliance is returned to service.