Jandy R0589403 copper heat exchanger for JXi 260 pool heaterJandy JXi 260 Copper Heat Exchanger, R0589403 In stock$1,04299
Jandy R0589403 copper heat exchanger for JXi 260 pool heater
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Jandy JXi 260 Copper Heat Exchanger, R0589403

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$1,04299
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Quick overview

  • Genuine Jandy Factory part R0589403, the OEM heat exchanger.
  • JXi 260 only Listed as the heat exchanger tube replacement for the Model 260 JXi heater.
  • Copper construction The copper tube bundle that carries pool water through the combustion chamber.
  • The core of the heater Everything else in a JXi exists to move gas, air and water past this component.
  • Chemistry kills exchangers Low pH and high sanitizer levels attack copper from the inside, so correct the water before the new one goes in.
  • Flow matters too Poor flow through the exchanger overheats the tubes, so check the filter and pump before refitting.
Full description and specifications ↓

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Product details

The Jandy R0589403 is the copper heat exchanger tube replacement for the Model 260 JXi pool heater. It is the genuine Jandy part.

What it is

The heat exchanger is the copper bundle that pool water passes through inside the heater. Combustion heat crosses the copper wall into the water. Every other part of the heater, the burner, the blower and the controls, exists to serve this one component.

Why it fails

Copper is attacked from the water side. Water carried below the correct pH, or with sanitizer levels held too high, eats the tubes from within, and a heater fed by a dirty filter or a weak pump runs the tubes hotter than they were designed for. A leaking exchanger is almost always the symptom of one of those two conditions.

Before you refit

Balance the water and confirm the pump and filter are delivering proper flow before the new exchanger goes in. A replacement fitted into the same conditions that destroyed the first one will not last any longer.

Specifications
Brand Jandy
Manufacturer part number R0589403
UPC 052337067133
Type Copper heat exchanger, tube replacement
Material Copper
Fits Jandy JXi Model 260 heater
Shipping weight 43 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 Jandy JXi Model 260. It is the heat exchanger tube replacement for that model.
What makes a heat exchanger fail?
Water chemistry and flow. Water held below the correct pH or carrying too much sanitizer attacks the copper from the inside, and poor flow lets the tubes run too hot. Both shorten the life of the exchanger.
Will fitting a new one fix the leak for good?
Only if the cause is dealt with. Correct the water chemistry and confirm the pump and filter are giving proper flow, or the replacement will fail the same way.
Is it a genuine Jandy part?
Yes. It is Jandy OEM part R0589403.
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