Glowworm Swiftflow Gas Valve – Pre-Owned | Part No. 800744 / 2000800744

Unsafe gas regulation or fuel delivery faults in a Glowworm Swiftflow 75E, 80E, or 100E boiler are a common sign of an aging gas valve. The Glowworm Swiftflow Gas Valve, Part No. 800744 / 2000800744, is the genuine replacement that regulates gas flow to your boiler, ensuring safe and efficient heating across this compatible range.

This is a pre-owned part, fully tested for performance and safety before dispatch.

Compatible Boiler Models

Tested for Performance & Safety. Backed by Warranty.

This 800744 / 2000800744 valve maintains optimal fuel delivery and prevents unsafe operation, improving fuel efficiency and helping prevent costly boiler breakdowns. Supplied with a 6-month warranty.

Delivery & Returns

Orders placed before 1:00 PM are dispatched the same day via reliable couriers, with standard or next-day delivery available. Returns are accepted within 30 days if the part is unused and in original packaging.

Important Safety Note: Please confirm that part number 800744 or 2000800744 matches your existing unit before ordering. Gas valves must always be installed by a Gas Safe registered engineer, with a full gas-tightness test before the boiler is returned to service.

Stock Notice: Only 1 unit remains in stock at the source at time of writing — please verify current availability before publishing live or set up a low-stock alert.