Glow-worm Single Fuse Printed Circuit Board S900817

Glow-worm S900817 is a genuine single-fuse printed circuit board that acts as the boiler’s control panel. It manages operations via the switches, sensors and thermostats, and continuously monitors performance to ensure normal functioning. The board also enforces safety, shutting the boiler down if internal readings indicate a fault. As the boiler’s “brain,” it is programmed to maintain correct operation and protect the appliance. This part is compatible with Glow-worm Space saver ComplHeat, Ultimate FF and Economy Plus, and fits Glow-worm Ultimate 30 LPG, 40FF LPG, 50FF LPG, 60FF LPG, and 80FF LPG models. It is a brand-new Glow-worm product, covered by the manufacturer’s guarantee. The listing also references Vaillant Group Spares’ designation for the same part, highlighting its role in supporting dependable performance and system protection.

This component is designed to support reliable performance and correct operation of compatible heating and hot water systems, helping maintain efficient operation and long-term durability.

Features

• Single fuse printed circuit board S900817
• 5 wire - 1 fuse configuration
• Controls boiler via switches, sensors and thermostats
• Monitors performance to maintain correct operation
• Shuts boiler down if internal readings indicate a fault
• Compatible with Space saver ComplHeat, Ultimate FF, Economy Plus