Glow-Worm S900001 Thermocouple

This Glow-Worm thermocouple, model S900001, is a genuine replacement part designed to support reliable operation of compatible heating and hot water systems. It is specified to fit the Hideaway Range and Glow-worm back boiler units, contributing to efficient performance and long-term durability. As a manufacturer-approved component, it supports correct operation and system protection, helping maintain dependable performance across compatible boilers.

Designed to work within Glow-Worm and Vaillant Group spares ecosystems, this thermocouple is a two-metal device that generates a small electrical charge when heated on one side. That charge activates an electromagnet to open or regulate a valve, enabling proper gas or water flow as part of the boiler’s safety and control mechanisms. The S900001 part is a genuine Glow-Worm product, supplied with the manufacturer’s guarantee, and is intended to restore or maintain the performance of compatible heating and hot water systems.

In addition to its compatibility with the Hideaway Range, the thermocouple supports efficient operation and durability, helping to ensure correct boiler behaviour over time. Genuine replacement parts such as this are designed to maintain system protection and reliable performance within approved Glow-Worm and related Vaillant Group appliance lines.

Features

• S900001 Glow-Worm thermocouple
• Fits Hideaway Range and Glow-worm back boilers
• Two metals generate a small electrical charge
• Activates electromagnet to regulate valve
• Genuine Glow-Worm replacement part
• Manufacturer-approved for durable operation