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Natural Gas Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXN400
Natural Gas Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXN400
Natural Gas Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXN400
Natural Gas Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXN400
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Natural Gas Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXN400

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
Natural Gas Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXN400This natural gas fuel air mixer, MPN HDXFMXN400, is specifically designed for Hayward HC Series heaters. It helps ensure efficient combustion and reliable heating performance.
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Quick Dispatch:

Your Natural Gas Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXN400 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 Natural Gas Fuel/Air Mixer, HC Series Heater, Hayward, HDXFMXN400 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
4.0 ★★★★★
Based on 885 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Chelsea, US
★★★★★ 5
Great OEM replacement at hlaf the cost
Looks exactly like the OEM filter a quality product. it is the same size fit and performance. Filter replacement is fast 10 min tops, it's crazy how much a dealer charges to replace it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2025
E
Verified Purchase
Elliot
Pawtucket, US
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
F
Verified Purchase
Fatman
Cuba, US
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
A
Verified Purchase
Amazon Customer
Draper, US
★★★★★ 5
East
Easy to replace and great fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
T
Verified Purchase
Tom
Phoenix, US
★★★★★ 5
Perfect fit
Nice quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2025

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