HAXBPK1931 Pool Heater By-Pass Kit - Replacement for H-Series Millivolt ED1 Style Heaters H2001, H1501, H2501 - Pre-10/28/2000 Models

【Direct Replacement】: Specifically designed as a direct replacement for HAXBPK1931 by-pass kit; ensures compatibility with H-Series Millivolt Electronic ED1 Style Pool Heater models H2001, H1501, and H2501. 【Pre-2000 Compatibility】: Intended for use with heaters manufactured before October 28, 2000; verifying your heater’s manufacture date is crucial for proper fit and function; designed to restore optimal water flow and heating performance. 【Millivolt System Support】: Compatible with millivolt electronic pool heater systems; maintains consistent heating temperatures and efficient operation; essential component for maintaining your pool’s heating efficiency. 【Durable Construction】: Crafted from robust materials for long-lasting reliability and performance; designed to withstand typical pool environments; weighing 14.4 lbs, it's built for enduring use and minimal maintenance. 【Simplified Installation】: Designed for straightforward replacement; includes all necessary components for easy installation; professional installation is recommended if you lack experience with pool heater systems; ensures minimal downtime for your pool heating.