OEM Jandy Iron Bypass Assembly Kit R0054900 is designed to support optimal water regulation in Jandy Lite, Lite2, and ESC series pool and spa heaters. This component plays a key role in maintaining the balance between water flow and heat output, helping the system deliver precise and efficient temperature control without overloading the heater. Built to handle high heat and pressure, the assembly is constructed from durable materials for long-term performance. Its reliable function prevents wear and overheating of internal parts, preserving the life and efficiency of your heating system across a wide range of applications.

• Regulates Internal Water Flow: Controls flow through the heater to ensure balanced temperature and consistent performance

• Protects from Overheating Damage: Prevents excess heat buildup that can harm internal components or reduce system efficiency

• Made for Jandy Heater Series: Compatible with Lite, Lite2, and ESC series heaters for broad application support

• High-Durability Materials: Built to withstand high-temperature, high-pressure environments found in heating systems

• Improves Heating Stability: Helps maintain smooth system function and prevents performance dips over time

• Pentair Lite Heaters
• Pentair Lite2 Heaters
• Pentair ESC Heaters

Note: This transformer may be compatible with your heater, please refer to your systems owners manual to ensure compatibility.

R0054900 Iron Bypass Kit Ð For Jandy Lite, Lite2, and ESC Heaters

R0054900 iron bypass assembly for Jandy Lite series heater repair

Jandy R0054900 regulates water flow in Lite2 pool and spa heaters

replace worn bypass valve with R0054900 for proper heater function

R0054900 helps maintain target water temperature in heater system

OEM Jandy R0054900 bypass kit for ESC and Lite2 models

Heater Flow Control R0054900 Ð Protects From Overheating

Jandy bypass kit R0054900 controls flow and prevents heater damage

R0054900 compatible with Lite2 and ESC series water heaters

order R0054900 to fix high-temp issues in Jandy heater internals

restore heater safety with Jandy R0054900 iron bypass assembly

includes durable materials to withstand pool heater pressures

Spa & Pool Heater Part R0054900 Ð Bypass Assembly With Longevity

upgrade old or stuck Jandy bypass system with kit R0054900

R0054900 iron bypass for Jandy heater circulation correction

fix inconsistent water temp with flow kit R0054900

R0054900 restores bypass function in ESC and Lite heaters

bypass assembly R0054900 used in pro-level Jandy service calls