The OEM Pentair Water Bypass Assembly 475621 is a safety device where the water flow rate exceeds the maximum 120 GPM, a manual bypass should be installed. After installing the valve, adjust the valve to bring the flow rate within the acceptable range. This OEM Pentair Water Bypass Assembly 475621 is compatible specifically with the Pentair ETI 400 Gas Heater Model 461113.Ê

• Critical Safety Device:ÊDesigned to manage and regulate water flow rates, especially when exceeding 120 GPM, ensuring system safety.
• Manual Bypass Requirement:ÊRequires manual installation and adjustment to bring the flow rate within safe operational ranges.
• OEM Reliability:ÊThis genuine Pentair Water Bypass Assembly guarantees compatibility and reliability, tailored for the ETI 400 Gas Heater Model 461113.
• Optimal Performance Assurance:ÊBy maintaining proper flow rates, it ensures the heater operates efficiently and safely, prolonging the system's lifespan.

• Pentair ETI 400 Heaters