
Quick overview
- Genuine Jandy part Factory part number R0524300.
- Rated 240 C The link is specified at 240 C, so match the rating exactly and do not substitute a different one.
- Wide fitment Listed for Model 200, 260 and 400 JXi, Legacy LRZE and LRZM, and LXi Low NOx heaters.
- A safety device The link is designed to open on excess vent temperature and shut the heater down.
- One time part A fusible link that has operated is spent and has to be replaced, not reset.
- Find the cause too A link that opens is reporting a problem. Look for blocked venting or poor combustion before you put a new one in and walk away.
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Product details
The Jandy R0524300 is the vent fusible link rated at 240 C, used across Model 200, 260 and 400 JXi heaters, the Legacy LRZE and LRZM, and the LXi Low NOx heaters. It is the genuine Jandy part.
What it does
The fusible link is a deliberate weak point in the vent path. If the temperature there climbs past where it should be, the link melts, the circuit opens, and the heater shuts down. It is a one shot device: there is nothing to reset, and a link that has operated has to come out and be replaced.
Do not stop at the part
A blown link is a symptom, not the fault. Something made the vent hot enough to melt it: a blocked or restricted flue, a downdraft, a bad draft hood installation, or a combustion problem inside the heater. Fitting a new link without finding that cause simply means the next one goes as well.
Match the rating
Fusible links come in different temperature ratings and they are not interchangeable. This one is specified at 240 C for these heaters. Fit the rating the manufacturer calls for.
| Brand | Jandy |
|---|---|
| Manufacturer part number | R0524300 |
| UPC | 052337053877 |
| Type | Vent fusible link |
| Rating | 240 C |
| Fits | Jandy Model 200, 260 and 400 JXi, Legacy LRZE, Legacy LRZM, LXi Low NOx heaters |
| Shipping weight | 0.05 lb |
| Ships | Parcel |
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