Emergency
Complaints of noise (6) on Chaffoteaux Flexiflame 140

Debris has likely entered your boiler's internal gas supply component, causing it to vibrate or whistle while the system is running.

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

Technical description

Dirt/swarfon gas valve facing.

Engineer required

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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