Microbox - Extraction & Ventilation

Supply and install an MBOX125/2 two speed whole house ventilation unit as supplied by Vectaire Ltd, Lincoln Road, Cressex Business Park, High Wycombe, Bucks, HP12 3RH. The fan must be capable of extracting from more than one room within a dwelling of no more than 200m3, and be for installation into the ceiling void using 5'/12cm ducting to and from the fan spigots. It should be two speed with a choice of four lower speeds on installation (the option switch to be on outside of casing), and run continuously and silently at its lower speed. The boost speed should have the possibility of being triggered by either a PIR, a remote humidistat, a thermostat, a remote switch (or by a combination of these devices), and be capable of being controlled with an overrun timer. The fan should be no more than 122mm deep, have a Steel cabinet lined with 10mm thick acoustic insulation to ensure quiet running and should have an easily accessible service and maintenance panel and be protected to IPX4. The trickle speed selection switch should be easily accessible on the outside of the casing and it should be pre-wired for easy electrical connection. It should have backward curved blades dynamically balanced on external rotor motor provided with thermal cut-out. The fan should comply with all current IEE, EC and Building Regulations requirements and also be BRE Digest 398 compliant.