<div> <h1>Heating and Plumbing Merchant - Product Description</h1> <h2>Auto Air Vent</h2> <ul> <li>Automatically removes air from heating systems, improving efficiency and reducing noise</li> <li>High quality brass construction for durability and longevity</li> <li>Available in different sizes to fit your specific needs</li> <li>Easy to install and maintain</li> </ul> <h2>Baxi Combi Instant 105HEA</h2> <ul> <li>High efficiency combi boiler for heating and hot water</li> <li>Compact design for easy installation and space-saving</li> <li>Advanced controls for precise temperature and energy management</li> <li>Compatible with a range of flues and accessories</li> <li>Built-in frost protection for reliability in cold weather</li> </ul> <h2>Main Eco</h2> <ul> <li>High efficiency system boiler for heating and hot water</li> <li>Low NOx emissions for reduced environmental impact</li> <li>Quiet operation for minimal disruption</li> <li>Robust construction for durability and reliability</li> <li>Quick and easy installation with pre-plumbed cylinder connections</li> </ul> <h2>Potterton Apollo</h2> <ul> <li>Compact and lightweight open vent boiler for heating and hot water</li> <li>Easy to install with pre-plumbing jig</li> <li>Optional rear flue kit for flexible installation in tight spaces</li> <li>Digital display for easy temperature and diagnostic information</li> <li>Built-in frost protection for reliable operation in cold weather</li> </ul> </div>