Single room twin impeller centrifugal heat recovery unit. - Ideal for domestic applications. - Suitable for wall & panel mounting. - Can be easily retrofitted into existing Ø100mm/120mm duct, it can also replace an existing axial fan without any additional building work. - Heat exchanger is manufactured from welded PVC plates, providing up to 70% energy recovery. - Polyurethane filters provide a high level of protection & longer life. - Supplied with a Ã˜63mm, 400mm long PVC duct for intake, to be fitted in the existing duct, (diameter Ø 100mm or Ø 120mm). - Base, Timer (T) & pre-heater for colder climates (PH), model options. - Base version: Working temperature between ‑5°C & 35°C. - Timer version: As base model, with adjustable timer between 2 - 25 minutes. - Pre-heater version: Ideal for colder climates with external temperatures as low as ‑25°C. Supplied complete with 350W coil with fitted thermostat in the inlet duct, the duct itself is manufactured from self-extinguishing material. - Case & internal components manufactured from white ABS. - Optional RG 5 (6202041) speed controller allows on/off & speed control on the base version only (6201142). - The optional RG E PH (6202042) speed controller as above & additionally regulates the power on the PH version (6201143). - Tried & tested design specified & accepted throughout Europe. - Intake & extracted airflows are separated & do not mix. - In accordance with EN 60335-2-80. IPX4 rated.