Flavel Castelle Slimline Gas Fire

Hang-on-the-wall gas fire
High Efficiency
Flavel Guarantee
  • Flavel Castelle Slimline


The Castelle Slimline has been specifically designed to fit a standard Pre-cast flue without compromising style and performance. It features a striking curved black glass fascia, framing a beautifully realistic log fuel effect and a fully automatic remote control system.

 Please note* This product now benefits from a 7 Year Guarantee and is fully compliant with the Eco design directive Commission Regulation (EU)2015/1188. Videos published before 2018 may show lesser guarantee lengths and include previous net efficiency data values.


  • Full depth log fuel effect
  • 3.1kW heat output
  • Fully Remote Control
  • Stunning glass fascia


Fire Back Options
Plain Black
Fuel Types
Natural Gas
Flue Type
Brick Chimney
Pre-Cast Flue
Pre-Fabricated Flue
Control Options
Fully Automatic Remote


Safety Airwatch System Flame Supervision Device (FSD)
Direct Heat Output 3.1kW
Useful Energy Efficiency 67.9%

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