Product Description

Header O-Ring Kit UHS (FDXLFOR1930)

Genuine Hayward® Replacement for Universal H-Series Heaters

✅ OEM Seal Kit for Hayward® Universal H-Series (Low NOx) Gas Heaters

The Hayward FDXLFOR1930 Header O-Ring Kit provides the essential O-rings needed to maintain a watertight seal between the header and heat exchanger in Hayward Universal H-Series Low NOx heaters. This genuine Hayward kit ensures proper fit and performance to prevent leaks and maintain heating efficiency.

Product Features

✅ OEM Part Number: FDXLFOR1930
➡️ Factory-original Hayward® components
➡️ Designed for UHS (Universal H-Series) heaters

✅ Complete Kit Includes:
➡️ Header O-rings for inlet and outlet sealing
➡️ Designed to withstand high heat and chemical exposure

✅ Maintains System Integrity
➡️ Prevents leaks at header/exchanger connection points
➡️ Helps extend heater lifespan and maintain efficiency

Compatibility

✔️ Fits Hayward® Universal H-Series Low NOx Models:
➡️ H150FDN / H150FDP
➡️ H200FDN / H200FDP
➡️ H250FDN / H250FDP
➡️ H300FDN / H300FDP
➡️ H350FDN / H350FDP
➡️ H400FDN / H400FDP

⚠️ Not for use with older ED2 or Millivolt H-Series models

Installation Notes

✅ Best Practice:
➡️ Replace O-rings when performing header or heat exchanger service
➡️ Apply silicone-based lubricant (not petroleum-based) to ensure proper sealing

⚠️ Turn off power and gas supply before servicing heater

Review Summary