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M12 Mirror Demisters 12V


Mirror demister pads for steam-free bathroom mirrors.

Brand: Heat Mat



Self-adhesive backing secures the mirror heater in place. For larger mirrors 150W/m mats and loose 3mm cable can be used for demisting if they are encased in a tile adhesive and used with a thermostat.

Technical Data

Heating Element: Carbon with copper connections
Supply Voltage: 240V
Power Output: 200W/m2
Alternative voltages: 12V & 24V units are available
Housing: IP44
Insulation: Double insulated
Dimensions: Varies between products
Coldtail lead: 1m 0.75mm2 double insulated cable

Mirror demisters can be wired through the lighting circuit, or to a separate switch if preferred. The circuit must be protected by a 5 Amp fuse or circuit breaker, and the wiring circuit must contain an all pole disconnection. Mirror heaters are not suitable for use with power supplies controlled via a dimmer switch.


Heat Mat Mirror demisters are BEAB Approved and supplied with a 10 year warranty. We supply a range of standard sizes or can specify a bespoke solution depending on your requirements.

Product codes and sizes for SELV 12V units

Product Code Size Wattage demistaTM Code

M12-274-0150 280 x 150mm 6W 7505
M12-274-0265 280 x 275mm 15W 7510
M12-274-0574 275 x 580mm 25W 7520
M12-300-0800 305 x 805mm 48W 7533
M12-400-0450 427 x 467mm 36W 7525
M12-524-0520 530 x 525mm 50W 7530
M12-524-0810 524 x 810mm 80W 7535
M12-524-1040 524 x 1040mm 100W 7540
M12-524-1550 524 x 1560mm 150W 7550

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