Hayward® Universal HC-Series 400K BTU Dual Fuel Natural Gas Propane Pool Spa Heater HDF400
EXPERT LINE products are only available through your local pool professional.
The industry’s smallest footprint heater allows replacement of almost any heater in an existing pad with the efficient reliability of the new Universal HC Series dual-fuel technology heater from Hayward®.
Built to fit effortlessly with Hayward® plumbing adapters, every detail has been thoughtfully engineered with easy drop-in capability in mind—its dual-fuel technology, its adaptive plumbing, its zero wall-clearance design, and more. And it all adds up to a durable, ultra-powerful heater with the industry’s smallest footprint.
- Compact design: The industry’s smallest footprint heater and lightweight design makes installation easy in any environment
- Easy-out mixing orifice: Allows for easy in-field conversion between natural gas and propane
- Cupro nickel heat exchanger: Protects against water corrosion and natural wear
- Patented Butterfly bypass: Enables flow rates up to 125 GPM without extra accessories
- Exclusive plumbing adapters: Allow for simple drop-in replacement with no pipe cutting required
- Zero wall clearance: Fits seamlessly into smaller pads and tight spaces
- Quick-access reversible top: easily swaps plumbing from right to left while providing access to gas shutoff, voltage selection and more, all via a single fastener
- Low NOx emissions: Meet clean air quality standards while providing premium heating performance.
Warranty Disclaimer
Please be advised that certain manufacturers - including Pentair® (with their TradeGrade® products), Jandy®/Fluidra® (with their Trade Series Exclusive™ products), and Hayward® (with their Expert Line® products) - do not honor manufacturer warranties on specific product lines purchased online.
These policies are intentionally enforced by the manufacturers to prevent customers from purchasing the same products at lower prices online.
Warranty coverage for these products is generally only available when purchased in person from an authorized local dealer.
While we strive to take care of our customers by offering the lowest possible prices on brand new, genuine products, we do not provide warranty coverage ourselves, nor can we guarantee that the manufacturer will honor the warranty on products purchased from our online store.
It is the buyer’s responsibility to confirm warranty eligibility directly with the manufacturer before making a purchase.
If you are a local customer, you may be able to purchase these items in-store and obtain manufacturer warranty coverage. However, for many of our customers across the country, paying significantly more locally just to access a manufacturer warranty often doesn’t make financial sense, especially when some local suppliers charge considerably higher prices.
By completing your purchase, you acknowledge and agree that we are not responsible for warranty support or claims denied by the manufacturer due to their online sales restrictions.
Please be advised that certain manufacturers - including Pentair® (with their TradeGrade® products), Jandy®/Fluidra® (with their Trade Series Exclusive™ products), and Hayward® (with their Expert Line® products) - do not honor manufacturer warranties on specific product lines purchased online.
These policies are intentionally enforced by the manufacturers to prevent customers from purchasing the same products at lower prices online.
Warranty coverage for these products is generally only available when purchased in person from an authorized local dealer.
While we strive to take care of our customers by offering the lowest possible prices on brand new, genuine products, we do not provide warranty coverage ourselves, nor can we guarantee that the manufacturer will honor the warranty on products purchased from our online store.
It is the buyer’s responsibility to confirm warranty eligibility directly with the manufacturer before making a purchase.
If you are a local customer, you may be able to purchase these items in-store and obtain manufacturer warranty coverage. However, for many of our customers across the country, paying significantly more locally just to access a manufacturer warranty often doesn’t make financial sense, especially when some local suppliers charge considerably higher prices.
By completing your purchase, you acknowledge and agree that we are not responsible for warranty support or claims denied by the manufacturer due to their online sales restrictions.
Jonathan H. –
Purchased Hayward Universal HC-Series 400K BTU Pool Spa Heater HDF400
Debra F. –
Nice job!
Ethan C. –
Nice job!
Sophia E. –
Quality product
Jack B. –
Pleased with the transaction
Ethan C. –
Fast delivery
Diana A. –
Nice job!
Philip Y. –
Very pleased with the transaction
Ruby Scott –
Best Pool Shop has the friendliest and most helpful team.