Pentair Combustion Blower Replacement Kit | ETi 250 / ETi 400 Heater | 476000
Pentair Combustion Blower Replacement Kit | ETi 250 / ETi 400 Heater | 476000
Pentair Combustion Blower Replacement Kit | ETi 250 / ETi 400 Heater | 476000
Pentair Combustion Blower Replacement Kit | ETi 250 / ETi 400 Heater | 476000

Pentair Combustion Blower Replacement Kit | ETi 250 / ETi 400 Heater | 476000

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SKU:
476000
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About This Item

OEM Combustion Blower Replacement Kit for Pentair ETi Series Heaters

The Pentair Combustion Blower Replacement Kit (476000) is the OEM replacement blower assembly for the ETi 250 and ETi 400 pool and spa heaters.

⚠️ IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED
Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high-voltage components without proper certification.

The combustion blower supplies the forced air required for proper fuel combustion within the ETi heater's burner assembly. When the blower fails or degrades, the heater may fail to ignite, produce incomplete combustion, or shut down on a safety fault. Replacing the blower with the OEM kit restores correct airflow and combustion performance to manufacturer specification.

Specifications

Pentair Part Number 476000
Part Name Combustion Blower Replacement Kit
Quantity Included Kit

Fits Into

Brand Equipment Line Model / Part Number Notes
Pentair ETi 250 — ETi Series Pool and Spa Heater ETi-250 1 required per unit
Pentair ETi 250 — ETi Series Pool and Spa Heater ETi250 1 required per unit
Pentair ETi® 400 Heater — ETi Series ETi400 1 required per unit

Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.

Pro Tip

Before ordering, confirm your heater's model number from the rating plate affixed to the unit — ETi 250 and ETi 400 are distinct models and share this blower kit. When the blower is replaced, have your technician verify that the combustion air inlet and exhaust flue are clear of obstructions before returning the heater to service. A restricted flue can cause the new blower to fail prematurely.

CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Pentair Pool Products and Parts

About Pentair Pool Products and Parts

Pentair is often considered the "gold standard" for pool professionals, and for good reason. Founded in 1966 (originally by five inventors making high-altitude balloons!), the company has evolved into the global leader in smart, sustainable water solutions. For the DIY homeowner, Pentair represents the intersection of rugged durability and silicon valley-tier technology. They pioneered the Variable Speed Pump revolution with the IntelliFlo®, saving American pool owners millions in energy costs. Today, their ecosystem focuses heavily on automation, allowing you to control your pump, heater, lights, and chemistry from a single app. While they are a favorite among professional builders, their "EC" (E-Commerce) line of equipment allows homeowners to access pro-grade technology with valid warranties for DIY installation.

Why We Trust Pentair Pool Products and Parts
Energy Efficiency Leaders: Recipient of the ENERGY STAR® Partner of the Year award for over a decade; their pumps are designed to pay for themselves in energy savings.

Smart Automation: The Pentair Home App and IntelliCenter systems offer best-in-class control over your pool ecosystem from anywhere in the world.

Professional Pedigree: The brand most often recommended and installed by pool builders for high-end residential pools.

Eco-Conscious: Dedicated to reducing water waste and energy consumption through "Green" technology innovations.

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