The side bricks for the Hi-Flame Precision Inset are vermiculite liners that protect the left and right walls of the firebox from direct contact with the flame. They also retain heat within the combustion chamber, which helps the stove reach and maintain its operating temperature more efficiently. This part number covers the side brick pair only; the rear brick is sold separately. ✅ Compatible with: Hi-Flame Precision Inset stove 🔧 Specifications Weight: 2.84 kg Material: Vermiculite Heat resistance: 1200°C Part type: Side fire bricks (pair) Cracked side bricks expose the stove body to direct radiant heat, which can cause warping or premature failure of the steel panels. Replacing damaged side bricks is a straightforward job that significantly extends the working life of the stove and keeps combustion temperatures consistent.