R0454000 | Jandy Coupling Nut with O-Ring for LXi and Legacy Heaters | 3 Inch | 2 Pack

OEM Jandy Coupling Nut with O-Ring R0454000 is a 3-inch replacement kit designed for Jandy LXi and Legacy LRZE/LRZM pool and spa heaters. This kit includes two coupling nuts and O-rings, ensuring secure, leak-free plumbing connections between heater components. Engineered to Jandy’s exact specifications, this OEM part helps maintain reliable system performance and protects against pressure loss or water leakage. It is an essential item for routine maintenance or repair and plays a key role in preserving long-term heater safety, efficiency, and functionality.

Highlights

• Seals Heater Connections Securely: Creates tight, leak-resistant joints between components in LXi and Legacy systems

• Includes Two Nuts and O-Rings: Complete replacement kit designed to restore proper sealing and system pressure

• Compatible with Jandy 3-Inch Plumbing: Designed specifically for 3-inch Jandy LXi and LRZE/LRZM heater configurations

• OEM-Certified Fit and Function: Matches factory requirements for durability, strength, and long-term performance

• Supports Reliable Heater Operation: Prevents leaks and pressure drops, preserving overall system efficiency and safety

Includes

• (2) Coupling Nuts
• (2) O-Rings

Compatibility

• Jandy LXi Heaters
• Jandy Legacy LRZE Heaters
• Jandy Legacy LRZM Heaters

Additional Info

R0454000 Coupling Nut Kit – For Jandy LXi and Legacy LRZE/LRZM Heaters

R0454000 3-inch coupling nut and O-ring set for Jandy LXi heaters

includes 2 coupling nuts and 2 O-rings for leak-free connections

heater leaking at union? Replace fittings with part R0454000

R0454000 connects plumbing securely to LRZE or LRZM heater ports

OEM R0454000 ensures tight seal and efficient water flow control

Jandy Heater Union Kit R0454000 – For 3" Plumbing Applications

R0454000 fits Jandy Legacy and LXi pool/spa heater connections

fix cracked or leaking heater unions with kit R0454000

includes O-rings and couplings to prevent water loss at fittings

install R0454000 to restore secure union connections in heaters

part R0454000 designed for 3-inch inlet/outlet ports

Pool Heater Coupling Kit R0454000 – OEM Fittings for LXi & LRZ Models

Jandy R0454000 coupling kit for Legacy LRZM and LRZE heater models

coupling nuts R0454000 ensure safe heater-to-plumbing connections

3-inch nut and O-ring combo keeps heater plumbing leak-free

heater service calls often include part R0454000 for worn unions

trusted replacement for high-temp heater fittings – part R0454000

Diagram