Alde wall flue terminal suitable for Alde Compact 3000, 3010, 3020 and 3030 water heaters. This wall flue is designed for side mounting and features a white plastic fascia and a low profile (23mm protrusion). The flue is supplied complete with hose clips to secure your exhaust outlet and air inlet hose, for a quick and simple installation. Flue wall cut out hole diameter: 83mm.