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B&Q£40.23Visit shop B&Q - Manrose Peflvtt Transformer For Low Voltage Fans (Timer)Peflvtt
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The Manrose Primeline PEFLVTT is designed for professional installers and homeowners looking to safely operate 12V AC SELV (Safety Extra Low Voltage) extractor fans in moisture-rich environments. Its primary benefit is the inclusion of an adjustable run-on timer, which ensures effective humidity removal even after a bathroom light is switched off. A key caveat is that this package includes only the transformer unit; therefore, you must already have a compatible 100mm or 125mm 12V fan and the necessary electrical wiring infrastructure in place.
| Model Part Number | PEFLVTT |
|---|---|
| Brand | Primeline |
No, this is specifically designed for 12V AC SELV fans. It will not work with standard 230V mains-powered fans.
No, the Manrose PEFLVTT is the transformer unit only.
It is best mounted in a dry, accessible area such as a loft space, or high up on a ceiling away from direct water contact.
The timer is adjustable via a small potentiometer located on the internal circuit board of the transformer unit.
The unit supports 100mm and 125mm 12V AC fans, provided the total load does not exceed 25VA.
It is designed for use in bathroom environments, but it should not be subjected to direct water jets or submersion.
Verify that the permanent live and switched live connections are correctly wired and that the 230V supply is active.
Adjust the timer settings on the transformer board and ensure the switched live wire is receiving a signal from the light switch.
Ensure the unit is mounted securely to a flat, vibration-free surface.
Installation must be performed by a qualified electrician to ensure compliance with local building regulations. The unit requires three-core and earth wiring to accommodate the permanent live, switched live, and neutral connections. Once mounted using the integrated screw points, ensure the enclosure is clear of insulation material if mounted in a loft, as this can affect heat dissipation. For maintenance, periodically inspect the wiring connections to ensure they remain tight and free from corrosion in damp environments. Ensure no debris blocks the ventilation airflow to the transformer housing.
