Pentair ETI-400 Indoor Air Intake Kit | 475971
The Pentair ETI-400 Indoor Air Intake Kit (475971) is an accessory designed specifically for the
Pentair ETI-400 Condensing Gas Heater. This kit allows the heater to safely draw combustion air from an
indoor mechanical room or equipment space when outdoor air access isnt ideal or available, helping ensure proper
combustion and efficient operation in enclosed installations.
What This Part Is For
This indoor air intake kit is intended for use with the Pentair ETI-400 Condensing Gas Heater when
installed inside utility rooms, garages, or other enclosed areas where direct outdoor air intake is not feasible.
It provides a dedicated pathway for combustion air from within the space while maintaining safe clearances and airflow
required by the heaters design.
Features & Benefits
- Designed for indoor installations of the Pentair ETI-400 condensing heater
- Allows combustion air to be drawn from a mechanical room or enclosed space
- Helps maintain optimal combustion performance when outdoor intake is restricted
- Includes components engineered to match OEM specifications for fit and function
Installation Notes
- Follow manufacturer instructions to maintain required clearances and proper airflow
- Seal all intake connections to prevent back-drafting and ensure safe combustion
- Verify that the heater has adequate air supply before operation
- Work with a qualified HVAC or gas professional for proper indoor combustion air setup
Maintenance Tips
- Periodically inspect intake ducting for obstruction or debris buildup
- Check seals and connections to prevent air leaks
- Keep surrounding areas clear of obstructions to support proper airflow
Related Products
-
Pentair ETI-400 Condensing Gas Heater
The main heater model that this indoor air intake kit is designed to work with.
-
Pentair ETI400 Condensate Neutralizer Replacement Kit
Replacement kit for treating acidic condensate before drain discharge.
-
Pentair ETI400 Stack Flue Sensor Replacement Kit (475601)
Replacement flue sensor part to help maintain safe combustion monitoring.
-
Pentair ETI400 Service Kit
General maintenance kit with common service parts for the ETI400 heater.
