We also use these cookies to know how consumers use our solutions (for example, by measuring web-site visits) so we could make advancements. Hearth Alarm Bells We provide A selection of fireplace alarm bells made for use on hearth alarm techniques in common 24v variations and 230v run variations for https://www.firesense.co.uk/type/conventional-fire-system/conventional-sounders-vids-vads/