
Authorized Hayward Distributor
When you purchase from AquaDoc, you're guaranteed to receive an authentic Hayward device. Order with confidence, knowing you'll receive top quality pool equipment.
Hayward Universal H-Series W3H150FDP Liquid Propane Heater 150K BTU 120/240V
Hayward Universal H-Series W3H150FDP Liquid Propane Heater 150K BTU 120/240V
Reliable and energy-efficient, the Hayward Universal H-Series 150K BTU propane heater ensures fast and consistent pool heating with superior corrosion resistance and low NOx emissions.
Couldn't load pickup availability

Hayward Universal H-Series W3H150FDP Liquid Propane Gas Heater 150K BTU 120/240V delivers superior heating performance with energy-efficient operation, making it the ideal solution for in-ground pools.
Designed with a standard cupro-nickel heat exchanger, this heater offers excellent corrosion resistance, ensuring long-lasting durability even in saltwater and chemically treated pools.
The patented header bypass design optimizes water flow, maintaining uniform velocity through all tubes for rapid, consistent heating and reduced pump run time, translating to significant energy savings.
Installation is a breeze with 2" x 2.5" CPVC union plumbing connections and a common union design that easily adapts to larger plumbing setups for enhanced efficiency.
Low NOx emissions meet strict clean air quality standards, making this heater an environmentally friendly choice that complies with emission regulations.
Built for reliability and convenience, the Hayward Universal H-Series is the perfect upgrade or replacement for new constructions, renovations, and aftermarket pool heating solutions.

⭐⭐⭐⭐⭐
Customers love the Hayward Universal H-Series heater for its efficiency and fast heating capabilities, keeping pools warm even in cooler weather.
Pool owners appreciate its easy installation process, thanks to adaptable plumbing connections that simplify setup and servicing.
The durability of the cupro-nickel heat exchanger makes it a favorite for those with saltwater or chemically treated pools, ensuring long-lasting performance.
Many users highlight the heater’s energy savings, reducing pump run time while maintaining a comfortable water temperature.
Its low NOx emissions and environmentally friendly design make it a top choice for those looking for a high-performance yet eco-conscious heating solution.

- Heating Capacity: 150,000 BTU for fast and efficient pool heating
- Heat Exchanger: Standard cupro-nickel for enhanced durability and corrosion resistance
- Water Flow Management: Patented header bypass ensures even water velocity for optimal performance
- Energy Efficiency: Reduces pump run time, leading to significant cost savings
- Installation: 2" x 2.5" CPVC union plumbing connections for easy adaptability
- Low NOx Emissions: Meets clean air quality standards for eco-friendly operation
- Durability: Designed for saltwater and chemically treated pools
- Versatility: Suitable for new construction, renovations, and aftermarket installations
- Compact Design: Space-saving structure with side and rear clearance considerations
- Warranty: 1-year labor, 3-year parts warranty for peace of mind

- Fuel Type: Propane
- Voltage: 120/240V
- Hertz: 60 Hz
- Kilowatts: 44 kW
- Circuit Amps: 5.5A
- Maximum Fuse Breaker Size: 15A
- Phase: Single-phase
- Water Flow Rate: Min 20 GPM / Max 125 GPM
- Pool Type: In-ground
- Product Dimensions: 24" x 19" x 29.5"
- Product Weight: 135 lbs
- Shipping Dimensions: 30.6" x 32.8" x 33.3"
- Shipping Weight: 150 lbs


Q: How long does it take to heat a pool with this heater?
The heating time depends on pool size, starting temperature, and weather conditions, but on average, it can raise water temperature by 1-2 degrees per hour.
Q: Can this heater be used for saltwater pools?
Yes, the cupro-nickel heat exchanger is designed for excellent corrosion resistance, making it ideal for saltwater and chemically treated pools.
Q: What size propane tank is needed for this heater?
A 150K BTU heater typically requires a propane supply of at least a 100-gallon tank, but it's recommended to consult a professional to determine the appropriate size for your usage.


The price you see is the price you pay.
We don’t play pricing games.
That’s why all orders over $75 ship free—no tricks, no hidden costs.
Why choose AquaDoc?
- 🌟 Top-notch products designed by leading pool & spa brands.
- 📦 Proudly ship locally from the USA, ensuring faster delivery.
- 👷♂️ Every purchase supports American income and jobs.
Order With Confidence
Satisfaction guaranteed! We're here to help with any pool or spa related issues. Contact us anytime for assistance.
Free shipping on all orders over $75!
AquaDoc
Eagle Ray Digital Water Testing Kit
Share
Say goodbye to guesswork with our easy-to-use tester that provides fast and accurate readings for: Total Chlorine, Total Hardness, Free Chlorine, Cyanuric Acid, Total Alkalinity, Bromine, and pH Levels.
As seen on




You may also like
-
Example product title
Regular price $19.99Regular priceUnit price / per -
Example product title
Regular price $19.99Regular priceUnit price / per -
Example product title
Regular price $19.99Regular priceUnit price / per -
Example product title
Regular price $19.99Regular priceUnit price / per