Best in 7 days
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Ships within 48 hours · Estimated delivery Jul 2 - Jul 7
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Description
Hayward W3H400FDP 400K BTU Low NOx Universal H-Series Propane Gas HeaterThe Hayward H Series W3H400FDP Propane Pool and Spa Heater is environmentally friendly and energy efficient. Boasting an industry leading 84 percent thermal efficiency the environmentally friendly H Series complies with all current California and Texas air quality emission standards. It is also the only pool heater to offer Cupro Nickel heat exchangers standard on all models. Cupro Nickel is designed to withstand the harshest pool environments like
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 77 reviews
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Product Reviews
★★★★★ 5
Good quality
Color: Red/Black, Size: 0AWG-25FT Each
Super flexible and good quality for running 2000w inverter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 10, 2026
★★★★★ 5
Quality
Color: Red/Black, Size: 0AWG-25FT Each
Great quality.Better than I was expected
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Reviewed in the United States on March 19, 2026
★★★★★ 5
0 Gauge wire 25 feet red,/25 feet black.
Color: Red/Black, Size: 0AWG-25FT Each
It is as advertised, Copper Clad Aluminum (CCA) but will work for very short runs and jumpers instead of eating my solid copper lines.
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Reviewed in the United States on March 5, 2026
★★★★★ 5
Great product
Color: Red/Black, Size: 0AWG-25FT Each
Just the amount you need
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Works great
Great product, good price and fast shipping.
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Reviewed in the United States on December 5, 2025
