
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.
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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.
| 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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