R0304300 | Jandy Gasket Header Kit for Hi-E2 Heaters

OEM Jandy Gasket Header Kit R0304300 is a high-performance sealing solution designed specifically for Jandy Hi-E2 pool and spa heaters, particularly models 220 and 350. This kit includes all the gaskets and sealing components required to form a leak-resistant connection between the header and adjacent parts. Engineered from durable, pool-grade materials, these gaskets are built to withstand heat, pressure, and moisture found in demanding aquatic environments. Proper gasket replacement helps maintain internal pressure, protect system components, and ensure heater efficiency. This OEM kit supports reliable heater performance and prevents long-term wear from leaks.

Highlights

• Seals Header Connections: Ensures secure, leak-free contact between heater header and adjacent components

• Complete Gasket Set: Includes all necessary sealing elements to maintain heater integrity and prevent moisture intrusion

• Made for Hi-E2 Models 220 & 350: Designed specifically for use in these models for perfect fit and reliable sealing

• Resists Harsh Pool Conditions: Constructed from tough materials that withstand temperature shifts and water exposure

• Supports System Performance: Helps protect internal components and maintain steady heater efficiency over time

Includes

• (1) Gasket
• (1) Bolt
• (1) O-Ring
• (2) Small Screws
• (3) Metal Brackets
• (6) Flat Washers
• (6) Large Screws

Compatibility

• Jandy Hi-E2 Heater Models: EHE220 and EHE350

Additional Info

R0304300 Header Gasket Kit – For Jandy Hi-E2 EHE220 & EHE350 Heaters

R0304300 gasket kit seals header on Jandy EHE220 and EHE350 models

Jandy R0304300 header gasket kit includes screws, O-ring, and brackets

fix leaking header connection on Hi-E2 heater with part R0304300

OEM Jandy R0304300 gasket and bolt set for Hi-E2 gas heaters

replace worn Hi-E2 heater gaskets using Jandy part R0304300

Jandy Heater Seal Kit R0304300 – Full Header Gasket Assembly

R0304300 includes washers, bolts, and gasket for heater header seal

pool heater leaking from header? Replace with kit R0304300

Jandy R0304300 header gasket set for high-heat pool environments

part R0304300 supports tight sealing in Hi-E2 gas heating systems

R0304300 used in repairs of Hi-E2 EHE220 and EHE350 heaters

Hi-E2 Heater Gasket R0304300 – For Leak Prevention & Longevity

R0304300 seals header to prevent water loss in Jandy Hi-E2 heater

complete Jandy gasket kit R0304300 improves system efficiency

order R0304300 to restore gasket integrity on pool/spa heater

Jandy header gasket replacement R0304300 for Hi-E2 models

R0304300 kit helps maintain heater pressure and flow balance

Diagram