Pentair ETi 250 Indoor Direct Air Intake Kit | 476371
The Pentair ETi 250 Indoor Direct Air Intake Kit (476371) is an accessory designed for thePentair ETi 250 Series Condensing Gas Heater. This kit allows your ETi 250 heater to safely draw combustionair directly from indoors when it’s installed in an enclosed or mechanical equipment room, rather than relying on outdoorair sources. It helps ensure proper combustion, efficient operation, and compliance with installation requirements forindoor applications.
What This Part Is For
This direct air intake kit is made for use with the Pentair ETi 250 Condensing Gas Heater when the heateris installed inside a utility room or enclosed space. It provides a dedicated pathway for combustion air from inside thebuilding, helping maintain proper airflow and efficient combustion without pulling conditioned space air throughunintended gaps.
Features & Benefits
- Designed for indoor installations of ETi 250 condensing heaters
- Provides a dedicated combustion air intake from inside the room
- Helps ensure efficient and stable heater performance
- Includes components engineered to match OEM specifications
Installation Notes
- Follow Pentair’s installation instructions to maintain safe airflow and clearances
- Ensure all ducting and intake connections are sealed to prevent back-drafting
- Verify proper air supply before operating the heater
- Work with a qualified technician for indoor HVAC combustion air installations
Maintenance Tips
- Inspect the intake ducting periodically for blockage or debris buildup
- Check seals and connections to prevent air leaks
- Keep the mechanical room clear of obstructions that could interfere with airflow
Related Products
- Pentair ETi 250 Condensing Gas Heater– The main heater model that this indoor direct air intake kit is designed to work with.
- Pentair ETi 250 Condensate Neutralizer Replacement Kit (476375Z)– Kit to replace spent neutralizer media for condensate treatment.
- Pentair ETi 250 Service Kit– Helpful maintenance and service components for the ETi 250 heater.
- Pentair Gas Heater Anode Kit– Replacement anode kit for corrosion protection in gas heater systems.
