Cewal 91934025 Limit Thermostat

Ensure the utmost safety of your domestic hot water system with the Cewal 91934025 Cylinder Thermostat. Specifically engineered for use with unvented hot water cylinders, this highly reliable probe thermostat acts as a critical high-limit safety cut-out. By utilising a precise 100mm sensor probe designed to sit securely within a standard pocket, it guarantees accurate water temperature monitoring directly from the source.

Key Features

• High-Limit Safety Cut-Out: Factory pre-set to a strict 110°C, this thermostat serves as a vital safety barrier, instantly cutting power to the heating element to prevent the cylinder water from reaching boiling point.
• 100mm Sensor Probe: Features a rigid 100mm (10cm) stem designed to slide seamlessly into standard unvented cylinder sensor pockets, ensuring highly responsive and accurate thermal readings.
• Robust Switching Capacity: Rated at 15A (2.5A inductive) at 240V, making it fully capable of safely handling the electrical load of standard domestic immersion heaters and boiler control circuits.
• SPDT Contacts: Equipped with a versatile Single Pole Double Throw (SPDT) microswitch, providing maximum wiring flexibility for complex central heating and hot water configurations.
• Unvented Cylinder Essential: An indispensable replacement part for maintaining compliance with unvented hot water storage regulations (G3 building regulations), guaranteeing your system remains safe and fully operational.

A Critical Safety Component

Unvented cylinders operate under high mains pressure, making reliable temperature control an absolute necessity. The Cewal 91934025 provides heating engineers with a dependable, direct-replacement safety thermostat. Its robust Italian-manufactured design guarantees years of maintenance-free protection against overheating and system failure.

Technical Specifications