Pentair 475998 ETI 400 thermal fuse replacement kitPentair ETI 400 Thermal Fuse Replacement Kit In stock$7456
Pentair 475998 ETI 400 thermal fuse replacement kit

Pentair ETI 400 Thermal Fuse Replacement Kit

Ask a questionAPS # PUR-151-0305
In stock
$7456

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Quick overview

  • Genuine Pentair Factory kit 475998, the thermal fuse replacement Pentair lists for the ETI 400.
  • ETI 400 specific Made for the Pentair ETI 400 heater, not a universal fuse.
  • Supplied as a kit Comes as a replacement kit rather than a loose fuse.
  • A safety device The thermal fuse opens if the heater runs too hot, which shuts the heater down.
  • One time part A thermal fuse does not reset. Once it has opened it has to be replaced.
  • Fix the cause too An opened fuse is a symptom, so find out why the heater overheated before you fire it again.
Full description and specifications ↓

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Product details

The Pentair 475998 is the thermal fuse replacement kit for the ETI 400 pool heater. It is the genuine Pentair part, supplied as a kit rather than as a bare fuse.

What a thermal fuse does

A thermal fuse is a last line safety device. If the heater exceeds its safe temperature, the fuse opens and the heater stops. It protects the equipment and everything around it, and it is deliberately built so it cannot be reset. Once it has done its job it is replaced.

Do not stop at the fuse

Because the fuse only opens when something else has gone wrong, fitting a new one is half the repair. Look at water flow through the heater, the condition of the filter, and the exhaust path before returning the heater to service, or the replacement will open in turn.

Specifications
Brand Pentair
Manufacturer part number 475998
UPC 788379878108
Type Thermal fuse replacement kit
Fits Pentair ETI 400 heater
Shipping weight 0.2 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 this a genuine Pentair part?
Yes. It is Pentair OEM kit 475998.
Can the old fuse be reset?
No. A thermal fuse is a one time device. Once it opens, the only fix is a new one.
My fuse blew again after replacing it. Why?
The fuse opens because something made the heater overheat, so a second failure points at the underlying fault rather than the part. Check flow, the exhaust path and the high limit circuit before fitting another one.
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