Thermocouple 600Mm An402P Q309A

Thermocouple 600Mm An402P Q309A

The Thermocouple 600mm AN402P (Equivalent to 309A) is a high-performance flame supervision thermocouple suitable for use in a wide range of domestic and commercial gas appliances, including boilers, radiant heaters, and gas fires. This component acts as a vital safety device by detecting the presence of the pilot flame and automatically shutting off the gas supply if the flame goes out.

Manufactured from premium-grade copper with precision-engineered brass fittings, the AN402P thermocouple ensures excellent heat transfer, fast response, and long-term reliability. With a 600mm cable length, it’s ideal for compact installations and provides a direct-fit replacement for the 309A equivalent part.

Key Features

• Thermocouple 600mm – Model AN402P (Equivalent to 309A)

• Suitable for boilers, gas fires, and radiant heaters

• Provides safe flame detection and gas shut-off control

• Made from high-quality copper and brass materials

• 600mm length – perfect for standard-sized installations

• Offers reliable performance and fast flame response

• Direct replacement for the 309A thermocouple

• Easy to install – fits most standard pilot assemblies

Compatibility

• Equivalent to 309A thermocouple

• Suitable for use with a wide range of domestic and commercial gas appliances

• Compatible with boilers, water heaters, and gas fires using similar fitting types

When to Replace

• If the pilot light does not stay lit

• When the appliance shuts down unexpectedly

• During annual safety inspections or maintenance

Technical Specifications

• Manufacturer: Universal / AN Series

• Model: AN402P

• Equivalent Part: 309A

• Type: Flame supervision thermocouple

• Length: 600mm

• Material: Copper with brass connectors

• Function: Detects pilot flame and controls gas shut-off

• Application: Gas-fired heating and hot water appliances