R0304400 | Jandy Bypass Valve Assembly for Hi-E2 Heaters

OEM Jandy Bypass Valve Assembly R0304400 is a critical water flow control component designed for Jandy Hi-E2 pool and spa heaters, specifically models 220 and 350. This bypass valve ensures the proper routing of water through the heater, helping prevent overheating and maintain system stability. Engineered as a genuine OEM replacement, it meets Jandy’s specifications for durability, accuracy, and long-term performance. Replacing a worn or damaged valve with this assembly helps optimize heating efficiency, protect internal components, and extend the life of your Hi-E2 unit.

Highlights

• Regulates Flow Through Heater: Ensures correct water circulation to support even heating and prevent pressure issues

• Designed for Hi-E2 220 & 350 Models: Tailored fit for Jandy Hi-E2 systems, maintaining factory-level system compatibility

• Preserves Heater Efficiency: Helps keep system output consistent, supporting reliable and energy-efficient operation

• OEM-Grade Durability: Built to Jandy’s standards using robust materials for dependable long-term use

• Prevents Overheating Damage: Minimizes strain on heater internals by maintaining optimal water flow paths

Compatibility

• Jandy Hi-E2 Heater Models: EHE220, EHE350

Additional Info

R0304400 Bypass Valve – For Jandy Hi-E2 EHE220 and EHE350 Heaters

R0304400 bypass valve for Jandy Hi-E2 pool and spa heater models

Jandy heater not circulating properly? Replace valve R0304400

R0304400 helps control water flow and prevent EHE350 overheating

buy Jandy bypass assembly R0304400 for EHE220 heater repairs

OEM part R0304400 ensures proper flow balance in Hi-E2 systems

Jandy Heater Flow Valve R0304400 – Prevents Overheating

R0304400 bypass valve assembly used for regulating heater flow

fix erratic water temperatures with Jandy part R0304400

R0304400 maintains efficiency in Hi-E2 gas heater operation

part R0304400 fits Hi-E2 220 and 350 heater models

Jandy heater bypass valve R0304400 restores consistent heating

Pool & Spa Heater Bypass R0304400 – OEM Hi-E2 Flow Control Part

OEM Jandy R0304400 bypass valve for Hi-E2 EHE220 heater units

heater overheating? Replace bypass valve with R0304400 assembly

R0304400 used by techs to fix failed heater flow regulation

includes valve assembly for reliable water routing

Jandy bypass valve R0304400 supports long-term heater function

Diagram