Pentair 475623 TitanTough heat exchanger for the ETI 400 pool heaterPentair TitanTough Heat Exchanger for ETI 400 Heater, 475623$3,75199
Pentair 475623 TitanTough heat exchanger for the ETI 400 pool heater

Pentair TitanTough Heat Exchanger for ETI 400 Heater, 475623

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$3,75199
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Quick overview

  • ETI 400 specific The TitanTough heat exchanger for the Pentair ETI 400 heater.
  • Genuine Pentair Factory part 475623.
  • TitanTough The Pentair TitanTough exchanger design used in the ETI series.
  • The core of the heater The exchanger is where combustion heat passes into the pool water, so a failed one takes the heater out of service.
  • Major component This is a heater rebuild level part, not a small consumable.
  • Confirm the model first The exchanger is model specific, so check the heater label reads ETI 400 before ordering.
Full description and specifications ↓

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Product details

The Pentair 475623 is the TitanTough heat exchanger for the ETI 400 pool heater. It is the genuine Pentair replacement part.

What it is

The heat exchanger is the part of the heater that pool water actually passes through. Combustion heat crosses into the water there, and every other component in the cabinet exists to feed, control or protect that exchange. When the exchanger fails, the heater is out of service until it is replaced.

Before you order

This exchanger is specific to the ETI 400, so check the heater label. Replacing an exchanger is a significant job, and it is worth having a service tech confirm the diagnosis before committing to the part.

Specifications
Brand Pentair
Manufacturer part number 475623
UPC 788379882754
Type Heat exchanger
Series TitanTough
Fits Pentair ETI 400 heater
Shipping weight 48 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which heater does this fit?
The Pentair ETI 400.
Is it the genuine Pentair part?
Yes. It is Pentair part 475623.
What does a heat exchanger do?
It is the component that carries pool water through the heater so combustion heat can pass into it. Everything else in the heater exists to feed and control that transfer.
How do I know the exchanger has failed?
Water where it should not be inside the heater cabinet, or a heater that will not hold pressure, points at the exchanger. A service tech should confirm before a part this significant is ordered.
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