
Teledyne Laars Coupling Nut Kit with Flange, R0327300
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Quick overview
- Genuine Laars part R0327300 is the factory coupling nut kit, supplied with its flange.
- Sold as a kit The nut and the flange come together, so you are not sourcing the two pieces separately.
- Laars LX and LT Listed under the Jandy Laars LX and LT heater parts group.
- Also a filter listing It appears in the Jandy DEL Series D.E. filter DEL48 and DEL60 parts group as well.
- Sits under system pressure Coupling nuts hold the union between equipment and pool plumbing, and a cracked one weeps every time the pump runs.
- Match the number first Plumbing hardware differs between series, so confirm R0327300 against the part you pulled off.
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Frequently bought together

Coupling Nut Kit with Flange, R0327300
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Product details
The Teledyne Laars R0327300 is the coupling nut kit with flange, the threaded connection hardware used on Laars equipment plumbing. It is supplied as a kit, so the nut and the flange arrive together.
Where it is used
Laars lists this kit under the LX and LT heater parts group, and it also appears in the Jandy DEL Series D.E. filter parts for the DEL48 and DEL60. A coupling nut holds the union between the equipment and the pool plumbing, and it carries system pressure every minute the pump runs.
When to replace it
A nut that is cracked, cross threaded or will not draw down evenly weeps at the joint no matter how hard you tighten it, and overtightening a damaged nut usually splits it further. Changing the nut and the flange as a pair puts fresh sealing faces on both sides of the connection.
Match the part number to what you removed before ordering. Heater and filter plumbing hardware changed across series, and a nut that is close but not identical will not seal.
| Brand | Teledyne Laars |
|---|---|
| Manufacturer part number | R0327300 |
| UPC | 052337015011 |
| Type | Coupling nut kit with flange |
| Part type | Pool heater part |
| Listed under | Jandy Laars LX/LT heater parts; Jandy DEL Series D.E. Filter DEL48, DEL60 parts |
| Shipping weight | 1.05 lb |
| Ships | Parcel |
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Questions and answers
What people ask about this product, answered by our pool techs.
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My connection still leaks after I tightened it. Why?
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