ETi 400 Water Bypass Assembly

This water bypass assembly fits the Pentair ETi 400 High Efficiency Natural Gas Heater, including units listed under model 461113 and ETi400NAASME. It replaces the factory bypass valve when it fails or wears out.

Key Features

• Spring diverter mechanism
• Pentair logo embossed on lower side
• Opens bypass above 120 GPM

Compatibility

• Pentair ETi 400 High Efficiency Natural Gas Heater (400K BTU)
• Model 461113
• Model ETi400NAASME

The bypass is a safety device that opens a manual path for water flow once it exceeds the heater's 120 GPM maximum, protecting the heat exchanger from damage.