
Quick overview
- Genuine Pentair Factory part number 476081Z, not an aftermarket substitute.
- For the ETi gas system Pentair lists this kit for the gas engine spark electrodes on the ETi.
- Sold as a kit The electrodes are replaced as a set, which is how they wear.
- The ignition side of the heater Spark electrodes create the arc that lights the gas at the burner.
- A common no light cause Fouled, corroded or cracked electrodes are one of the first things a tech checks when a heater will not fire.
- Cheap next to the alternative Electrodes are a wear item, and replacing them costs far less than chasing the fault through larger assemblies.
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Product details
The Pentair 476081Z is the spark electrodes repair kit for the ETi gas system. It is the genuine Pentair part and it arrives as a kit, so the electrodes go in as a set the way they wear.
What the electrodes do
Spark electrodes sit at the burner and produce the arc that lights the gas. They spend their working life in heat and combustion byproducts, so with time they foul, corrode or crack their ceramic. When that happens the heater still calls for heat and still tries, but the spark no longer reaches the gas cleanly.
When to reach for this kit
A heater that clicks and cycles without lighting, or that lights late and lights rough, is often asking for electrodes rather than a control board or a valve. Electrodes are the cheapest thing in that chain, so they are worth ruling out first.
Before you order
Confirm 476081Z against your unit. While the electrodes are out it is worth inspecting the burner and the surrounding ignition components, since anything that fouled the old electrodes will foul the new ones.
| Brand | Pentair |
|---|---|
| Manufacturer part number | 476081Z |
| UPC | 788379884406 |
| Type | Spark electrodes repair kit |
| Fits | Pentair ETi gas system |
| Shipping weight | 0.25 lb |
| Ships | Parcel |
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