475604 | Pentair Air Orifice For ETI 400 Heaters

The Pentair 475604 Air Orifice is an OEM replacement part designed for the ETI 400 High-Efficiency Pool and Spa Gas Heater. This component is responsible for regulating the mixture of air and gas to achieve the correct air-to-fuel ratio, ensuring safe and efficient combustion. By maintaining proper combustion balance, it helps preserve heater performance, efficiency, and reliability under varying operating conditions. Constructed from durable materials, the OEM air orifice is built to withstand the continuous demands of heater operation, making it an essential part of routine maintenance and long-term system care.

Highlights

• OEM Heater Component: The Pentair 475604 air orifice is specifically engineered for ETI 400 High-Efficiency Heaters, ensuring precise fit and seamless compatibility.

• Regulates Air-to-Fuel Ratio: Maintains the correct balance of air and gas during combustion, allowing the heater to perform at peak efficiency.

• Supports Safe Combustion: Plays a critical role in ensuring the heater operates safely by preventing improper combustion conditions.

• Durable OEM Construction: Built from high-quality materials to withstand ongoing use, ensuring dependable performance over the life of the heater.

• Maintains Heating Reliability: Helps protect overall system performance, contributing to consistent water heating and reduced system wear.

• Critical Maintenance Part: Replacing a worn orifice restores heater efficiency and prevents disruptions to safe operation.

• Designed to Pentair Standards: Manufactured to OEM specifications, guaranteeing quality performance and long-lasting durability.

Includes

• (1) Air Orifices

Compatibility

• Pentair ETI 400 Heaters

Additional Info

Need details on the OEM Pentair Air Orifice 475604 for ETI 400 High-Efficiency Heaters? This section explains installation, compatibility, and troubleshooting questions, especially for customers shopping in store.

Installing the Pentair 475604 Air Orifice

The air orifice regulates the air-gas mixture inside ETI 400 heaters. Correct installation ensures efficient combustion and reliable heating performance.

How do I install the Pentair 475604 air orifice in my ETI 400 heater?

Can I buy the 475604 air orifice in store at Discount Pool Mart today?

Do I need special tools to replace the air orifice?

Is the 475604 a direct-fit replacement for Pentair ETI 400 models?

Troubleshooting Combustion Issues

Improper combustion often results from a worn or clogged air orifice. Replacing with the 475604 helps restore safe and efficient heater operation.

Why is my ETI 400 heater burning inefficiently or shutting down?

Can a bad air orifice cause low heating performance?

How do I know if the 475604 orifice needs replacement?

Does Discount Pool Mart stock the 475604 for urgent repairs?

Finding the Right Part In Store

The 475604 is a genuine Pentair replacement component. Carrying the SKU ensures quick identification and pickup at the store.

Where can I buy the Pentair 475604 air orifice near me?

Can I confirm store stock of the 475604 before visiting?

Does the in-store package include a complete air orifice assembly?

Is this part kept in stock year-round for ETI 400 heaters?

Diagram