Pentair 475604 Air Orifice | ETI 400 Heaters

The Pentair Air Orifice 475604 is a genuine OEM part made for ETI 400 High-Efficiency Pool and Spa Gas Heaters. This air orifice is designed to regulate the blend of air and gas, ensuring the proper combustion process for safe and efficient heater operation. By maintaining the correct ratio, it supports energy efficiency and consistent heating output. Built with durable OEM-approved materials, this orifice withstands the stress of continuous use in pool environments. As a key safety and performance component, it is an essential replacement to keep Pentair ETI 400 heaters running reliably.

Highlights

• System-Specific Part: Designed for Pentair ETI 400 gas heaters, offering exact OEM compatibility and consistent functionality.

• Combustion Control: Ensures the air-to-gas mixture is properly balanced, maintaining safe and efficient combustion throughout heater operation.

• Boosts Heater Efficiency: Supports efficient energy use by enabling the heater to perform at maximum capacity under varying conditions.

• Durable OEM Build: Constructed with quality materials tested to Pentair standards, ensuring long-lasting reliability in demanding environments.

• Essential for Safety: Prevents improper combustion that could damage the system, enhancing the safety and reliability of the heater.

• Restores Proper Operation: A critical replacement part when maintaining or repairing the ETI 400, ensuring continued reliable heating performance.

• OEM Assurance: Built as a genuine Pentair part, ensuring trusted quality and long-term durability.

Includes

• (1) Air Orifices

Compatibility

• Pentair ETI 400 Heaters

Additional Info

Looking for the OEM Pentair Air Orifice 475604 for ETI 400 heaters? This section explains installation, maintenance, and troubleshooting while highlighting local shop pricing and stock.

Installing the Pentair 475604 Orifice

This OEM air orifice fits securely in Pentair ETI 400 heaters. Installation ensures the proper air-gas ratio for combustion and consistent heating performance.

How do I connect the Pentair 475604 orifice to my ETI 400 heater?

Can I check local price and availability before purchasing the 475604?

Does this air orifice require professional installation?

Is the 475604 compatible with all ETI 400 High-Efficiency models?

Solving Air-Gas Ratio Problems

If the heater fails to ignite or burns improperly, the air orifice may be at fault. Replacing with the 475604 restores balanced combustion and reliable heating.

Why does my Pentair ETI 400 heater keep shutting off mid-cycle?

Can a damaged orifice affect the safety of my heater?

How do I test the 475604 to confirm it is working correctly?

Do local shops diagnose combustion issues before recommending a replacement?

Local Shop Stock and Pricing

Wholesale Pool Mart provides the 475604 at competitive local prices, ensuring customers can secure replacements quickly when heaters fail.

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

Does Wholesale Pool Mart offer the lowest local price for this part?

How can I confirm local stock before heading over?

Are multiple orifices available locally for service professionals?

Diagram