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Propane Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXP400
Propane Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXP400
Propane Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXP400
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Propane Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXP400

Marsoni M251S
Sale price$44.80
Pay 4 payments of $11.20 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Propane Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXP400This propane fuel air mixer, MPN HDXFMXP400, is designed for Hayward HC Series heaters. It ensures optimal fuel and air mixture for efficient and safe operation.
Easy Shipping

Quick Dispatch:

Your Propane Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXP400 orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Propane Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXP400 ships.

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 203 reviews
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Product Reviews
J
Verified Purchase
Jean Therasse
West Palm Beach, US
★★★★★ 5
Excellent fit and great quality”
This filter fit perfectly and was very easy to install. The quality feels solid, and it made an immediate difference in air flow. It’s a reliable replacement at a much better price than the dealer. I’ll definitely be buying this brand again for future changes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 17, 2025
R
Verified Purchase
Robert Weiner
Lowell, US
★★★★★ 5
Super deal
This was a great replacement and much cheaper than most.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
G
Verified Purchase
Geff Chu
Pawtucket, US
★★★★★ 5
Nice replacement filter
Fits perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
J
Verified Purchase
Jim Condo
Carnegie, US
★★★★★ 5
Great purchase
Size: Accord 2018-22 1.5L Gas
Fit my 2018 Honda Accord as stated. Easy to install. Saved $50 doing it myself.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
C
Verified Purchase
cool
Cuba, US
★★★★★ 5
Top quality
Size: Accord 2018-22 1.5L Gas
Perfect replacement
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026

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