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Richmond Building Products Ltd.
Dublin Offices:
Block 520, Greenogue Business Park, Rathcoole, Co. Dublin
Tel: (01) 412 4600 Fax: (01) 412 4601
Cork Offices:
Churchtown Industrial Estate, Midleton, Co.Cork
Tel: (021) 463 5454 | Fax: (021) 463 5458
Belfast Offices:
Richmond Building Products Ltd., 19 Sentry Lane
Newtownabbey BT36 4XY
Tel: 028 9084 6484 | Fax: 028 9084 2238
E Mail: sales@richmondbp.com
Web Site: www.richmondbp.com
Passivent Domestic Ventilation Systems
Passivent PSV provides simple automatic ventilation by means of non-electrical humidity-sensitive air inlets and extracts. These monitor the humidity level in each room and adjust accordingly to provide balanced ventilation room by room. This provides greater savings. Air movement depends on simple principles - the temperature difference inside and outside. There are no mechanical parts, no electrical connections or power consumption.
Systems are suitable for most types of dwellings: detached, semi-detached and terraced houses, bungalows and flats, comfort and energy and for both new build and refurbishment.
Ridge Terminals
Stale, moist air is removed from the house and exhausted through the ridge terminals. A ridge terminal must be provided for each duct rise, ie one for the kitchen, one for the bathroom etc. Ridge terminals are available to match most manufacturers' ridge tiles and so blend into the roofline, making them almost indistinguishable from ground level.
Ductwork
Ductwork within the heated envelope of the house (eg running through the first floor) is uninsulated. Ducts are normally sited in a fitted wardrobe or airing cupboard, or can be discreetly positioned in a corner. Flat Channel Ducting can be fitted within stud partition walls. Duct runs in the roof space are insulated to avoid the risk of condensation within the ductwork. All ducts must be as near vertical as possible with no sharp bends. Flexible ducts must be supported so as to be kept taut with no sagging.
Air Inlets
Fresh air is introduced into the house through unobtrusive wall or window inlets. The inlets are non-electrical and adjust automatically depending on the humidity level within each room, allowing the correct level of ventilation. The external airbrick grille blends into the surrounding brick area inconspicuously.
Air Extracts
Stale, moist air is extracted from 'wet' rooms (kitchen, bathroom, utility) by the non-electric passive extracts. The louvres automatically open and close depending on the humidity level within the room, allowing the correct level of ventilation
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