Hayward W3H400FDP Pool Heater | Universal H Series - 400K BTU, Propane, Low NOx
Hayward W3H400FDP Pool Heater | Universal H Series - 400K BTU, Propane, Low NOx
Elevate your pool heating experience with the Universal H-Series Propane Gas 400,000 BTU Low NOx heater. Shasta Pool Supply offers free shipping on all Hayward heaters. Specifically, the W3H400FDP energy-efficient heater offers in-ground pools exceptional reliability and adaptability.
Hayward W3H400FDP Pool Heater
The Universal H-Series combines cutting-edge technology and practical design. Additionally, its 400,000 BTU heating capacity ensures rapid pool warming and the energy-efficient operation keeps utility costs in check. Presently, the heater's low-profile design (24" x 34" x 29.5") allows for flexible installation options.



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Key Features
• Standard cupro nickel heat exchanger for excellent salt water and chemical corrosion resistance
• Exclusive "Totally Managed" cupro nickel heat exchanger water flow for faster heating
• Patented header by-pass design reduces pump run-time, resulting in significant cost savings
• 2in x 2 1/2in CPVC union plumbing connections for easy installation and service
• Low NOx emissions meet clean air quality standards
Technical Specifications
- Fuel Type: Propane
- Heating Capacity: 400,000 BTU/hr
- Electrical: 60 Hz, 5.5 Amps, 15 Amp max fuse size
- Water Flow Rate: 30-125 GPM
- Weight: 195 lbs
- Parts Warranty: 3 years
Specs
- Part Number: W3H400FDP
- Manufacturer: Hayward
- Length: 29.5
- Width: 34.0
- Height: 24.0
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What our customers are saying
Chuck was amazing as always. He provided me with the spa chemicals I needed at a great price!
Chuck was amazing as always. He provided me with the spa chemicals I needed at a great price!
Suzanne E
Great. Received order timely. Product was as expected.
Great. Received order timely. Product was as expected.
MALINDA R.
Great products and quick delivery
Great products and quick delivery
Craig M.
FAQ
Our expert staff answers customer's most asked questions.
How long will a 48000 BTU patio heater last?
As long as the unit is kept from high winds, maintenance yearly, and checked for leaks, they can last upwards between 5-10 years.
What shipping options do you offer?
We offer local pick-up at both our Phoenix and Mesa locations, along with Free Shipping on orders $150 or more. To learn more about our shipping options, click here.
How many BTUs does my heater need to heat a pool or spa?
The ideal BTU rating for your heater depends on your desired heating speed. A 200 BTU or 250 BTU heater is suitable for a spa or pool, while a 400 BTU heater will heat your pool and spa more rapidly.
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