Boilers . Pressurisation . Hot Water Generation
Under the Mikroscope
View our September competition page and tell us which pair of pieces are missing from the Extreme jigsaw puzzle for a chance to win 1 of 3 Sony SRS-XB23 Extra Bass Waterproof Bluetooth Portable Speakers.
Compact, lightweight and easy to take with you, the Sony SRS-XB23 delivers powerful sound, with Extra Bass and vocal clarity. It is IP67-rated waterproof and dustproof, as well as shockproof up to 1.2 metres, boasting up to 12 hours' battery life. To make the party even bigger, you can connect up to 100 compatible wireless speakers with the Party Connect feature, or pair two together for super stereo sound.