SUPPORTING CONSTRUCTION for fireplace insert HEAT U 3g L 50.52.70.21
• HEAT U 3g L 50.52.70.21 K1 is version that includes supporting construction (K1 mark). Order code: HU3LF 21 K1. Supporting construction cannot be ordered separately.
• HEAT U 3g L 50.52.70.21 K1 is version that includes supporting construction (K1 mark). Order code: HU3LF 21 K1. Supporting construction cannot be ordered separately.
