Use this HPC Replacement 24 VAC Transformer for your electronic ignition system. High quality in design and proudly made in the USA, this component is required to reduce the line voltage which allows your fire feature to operate successfully on the electronic ignition systems’ required voltage. PRODUCT FEATURES: 24 VAC Replacement Part For Use with HPC Electronic Ignition System (EI) Series Made in the USA HPC has partnered with BILT to provide you with an easy-to-use app that walks you through the installation process, and assists in troubleshooting of your new fire pit. You can download this app by searching for “BILT” in your app store (available for Android and iOS ).