Verplas 150mm White Metal Adjustable Extract Air Valve Solar Charge Controller Measure and pre-cut lengths on

Measure and pre-cut lengths on the ground before going onto the roof

The thermostatic cartridge and vacuum breaker are both replaceable in the field using standard spanners (26mm A/F for cartridge

Quiet operation suitable for residential areas

Do not attempt installation without appropriate qualifications and equipment

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Verplas 150mm White Metal Adjustable Extract Air Valve Solar Charge Controller Measure and pre-cut lengths onThe Verplas MW154 is a 150mm diameter white powder coated steel adjustable exhaust (extract) extract air valve for mechanical ventilation systems. It provides an adjustable, high quality extract terminal for ceiling or wall mounting, with a male spigot for direct connection to the System 150 duct. The adjustable inner core allows flow to be set precisely at commissioning for accurate whole house ventilation balancing. 150mm Spigot Diameter Steel