This guide explains how to use the AB8 efficiency ring to reduce flame height, extend burn time, and improve flame stability, along with safe installation and removal instructions.
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The AB8 efficiency ring is a standard inclusion with the AB8 burner. It has been designed to reduce the flame height and heat output.
The AB8 efficiency ring will increase the burn time a well as further stabilise the flame.
Using the AB8 efficiency ring
Step 1: Simply place the AB8 efficiency ring over the burner vent when cold and not operating.

Removing the AB8 efficiency ring
Step 1: To remove, turn the burner off and wait until the burner is comletely cool before removing the AB8 efficiency ring.

EU and UK only: To comply with EN 16647 the AB8 efficiency ring must be installed before operating the burner.