Wide Compatibility: Specifically designed to fit Halstead boilers using part numbers 988301 and 600513. Efficient Boiler Control: Manages key functions, ensuring consistent performance and optimal heating system efficiency. Reliable Performance: Addresses issues such as system errors, failure to ignite, or intermittent operation caused by a faulty PCB. Durable Construction: Built with premium components to ensure long-lasting and dependable functionality. Enhanced Diagnostics: Enables accurate fault detection and troubleshooting for improved boiler servicing. Simple Replacement: Designed for professional installation, ensuring a smooth and hassle-free process., Manufacturer: HTS