Jandy R0454200 rear header for the LXi Low NOx pool heaterJandy Rear Header for LXi Low NOx Heater, R0454200 In stock$28499
Jandy R0454200 rear header for the LXi Low NOx pool heater

Jandy Rear Header for LXi Low NOx Heater, R0454200

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$28499
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Quick overview

  • Genuine Jandy Factory part number R0454200 for the LXi heater.
  • Hardware and gaskets included The header comes with the fasteners and gaskets for the job, not as a bare casting.
  • LXi Low NOx Listed for the Jandy LXi Low NOx pool heater.
  • Rear header This is the rear header. The front header is a separate part, so confirm which end is leaking.
  • For a cracked or corroded header Water under the back of the heater, or a header face that has corroded through, is what this part answers.
  • Fit the new gaskets Use the gaskets supplied. Old gaskets that have been crushed once will not seal a second time.
Full description and specifications ↓

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Product details

The Jandy R0454200 is the rear header for the LXi Low NOx pool heater, supplied with the hardware and gaskets needed to fit it. It is the genuine part.

What the header does

The headers close off each end of the heat exchanger and route pool water through it. They see every gallon that passes through the heater, at temperature, which is why they are the part that corrodes and cracks rather than the tubes themselves. Low pH water, high salt levels and a poorly bonded system all shorten their life.

Front or rear

This is the rear header. The front header is a separate part, so trace the leak before ordering rather than guessing from where the water reaches the pad. Water travels along the base of a heater and can appear a long way from the actual crack.

Fitting

Use the gaskets that come with it. A gasket that has been compressed once has taken its set and will not seal again, and a header joint that weeps after reassembly means the whole job comes apart a second time.

Specifications
Brand Jandy
Manufacturer part number R0454200
UPC 052337023030
Type Rear header
Included Hardware and gaskets
Fits Jandy LXi Low NOx heater
Part type Pool heater part
Shipping weight 3 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 LXi Low NOx heater. It is Jandy part R0454200.
Does it come with gaskets?
Yes. The header is supplied with hardware and gaskets.
Is this the front or the rear header?
The rear. The front header is a different part, so work out which end of the heat exchanger is leaking before you order.
Why do headers fail?
They carry pool water at temperature, so they take the brunt of aggressive chemistry and any galvanic corrosion in the system. A header that is weeping or corroded through does not get repaired, it gets replaced.
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