Hayward H-Series FD Heater Propane Gas Valve | FDXLGSV0002

Hayward Products SKU: HPPFDXLGSV0002
Hayward H - Series FD Heater Propane Gas Valve | FDXLGSV0002 - Heater Parts - img - 1

Hayward H-Series FD Heater Propane Gas Valve | FDXLGSV0002

Hayward Products SKU: HPPFDXLGSV0002
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Hayward FDXLGSV0002 Propane Gas Valve – Universal H-Series Pool & Spa Heater Replacement

Part # FDXLGSV0002 — a factory replacement propane gas valve designed for use with Hayward Universal H-Series Low-NOx pool and spa heaters. This valve regulates the flow of propane to the heater’s burner system to ensure safe, efficient ignition and combustion.

Key Features

  • OEM-spec gas valve compatible with propane-fired Hayward H-Series heater models (e.g. H150FDP, H200FDP, H250FDP, H300FDP, H350FDP, H400FDP).
  • Precisely regulates propane flow for stable flame, proper burner operation, and efficient heat output.
  • Durable construction designed to handle typical pool-heater gas pressures and environmental exposure.
  • Direct-replacement part — drops in place of the original valve without major modifications.
  • Compatible with all control and safety systems originally designed for the heater (pressure switch, ignition module, venting, etc.).

Typical Applications

Use this valve when the existing gas valve in a propane H-Series heater fails — for example if it leaks, fails to open or close properly, or causes ignition issues. It’s also commonly replaced during maintenance or refurbishing to ensure continued safe operation.

Installation & Compatibility Notes

Before servicing, shut off the propane supply, turn off all power to the heater, and allow the unit to cool. Remove the old gas valve carefully, noting orientation and gas line connections. Install the new FDXLGSV0002 valve, reconnect gas lines and electrical connections, and pressure-test the system per manufacturer instructions to confirm there are no leaks. After startup, monitor ignition, burn quality, and heater operation to verify correct installation.

Why Choose This Gas Valve?

Choosing the genuine FDXLGSV0002 ensures proper fit, flow characteristics, and safety compliance for your H-Series heater. Using the correct valve protects the heater’s performance, avoids potential leaks or ignition problems, and helps extend the life of the unit.

Maintenance Tips

  • Inspect gas valve and surrounding components yearly for signs of leaks, corrosion or wear.
  • Check gas pressure and regulator settings per heater manual to ensure safe operation.
  • When cleaning or servicing the heater, avoid disturbing valve seals — retorque fittings per spec if loosened.
  • If the heater will be out of service for an extended period, shut off propane at the supply valve and relieve line pressure to safeguard internal components.

Hours Of Operation: 

Monday - Friday: 8:00 am to 4:00 pm Phoenix Time

Saturday and Sunday: Closed

  • Orders costing more than  $300 WILL be required to have signature confirmation upon delivery.
  • Handling time is typically only 1 day.   
  • Any item ordered after 1pm Phoenix time, may not ship same-day.
  • Call us if you require expedited shipping and we can give you quotes based on your needs.

Return Policy:

  • All products, except as noted below, are eligible for return up to 30 days after receipt of item.
  • For returns, an RMA form must be filled out HERE or customers can call for additional help.
  • Shipping costs will be deducted from all returned items.
  • Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in. 
  • Items broken, damaged, or inoperable due to installer error will not be refunded.
  • Fill out the return form or give us a call to obtain an RMA and return shipping label.
  • There are no returns on the Pentair Colorsync 618031
  • No returns on pool cleaners.
  • No returns on opened seals and o-rings.
  • No returns on capacitors.
  • If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
  • All products denied upon arrival at customers house WILL be charged the cost to ship.
  • Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.