Hayward Pool Heater Universal H-Series Natural Gas Low NOx | 200,000 BTU

SKU: H200FDN

$3,849.00


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The Hayward Universal H-Series Low NOx Natural Gas Pool Heater (W3H200FDN) is a 200,000 BTU residential pool and spa heater engineered for reliable, efficient heating in inground swimming pools and spas. Manufactured by Hayward, a trusted leader in pool heating technology, this model delivers consistent performance while meeting modern emissions requirements.

With a 200K BTU output, this heater is well suited for small to medium inground pools, offering faster heat-up times than lower-BTU units without the fuel demand of larger heaters. The electronic ignition system provides dependable, pilot-free operation for improved efficiency and reliability. A cupro-nickel heat exchanger enhances resistance to corrosion and scale, making this heater suitable for both traditional chlorine and saltwater pool systems.

Designed to comply with Low NOx emissions standards, the Universal H-Series balances environmental responsibility with proven Hayward durability. Its compact footprint and service-friendly design make the W3H200FDN a popular choice among pool professionals for residential heating applications.

Key Heater Specifications

Specification Details
BTU Output 200,000 BTU
Fuel Type Natural Gas
Ignition Type Electronic Ignition
Heat Exchanger Material Cupro-Nickel
Emissions Rating Low NOx Compliant
Pool Type Inground Pool & Spa
Application Residential

Alternate Part Numbers

  • H200FDN

  • W3H200FDN


Frequently Asked Questions (FAQs)

What size pools is the W3H200FDN best for?

This 200,000 BTU heater is ideal for small to medium inground pools and spas, depending on climate and desired heat-up time.

What ignition system does this heater use?

It uses electronic ignition, eliminating the need for a standing pilot and improving overall efficiency.

Is this heater compatible with saltwater pools?

Yes. The cupro-nickel heat exchanger provides enhanced corrosion resistance, making it suitable for saltwater systems.

Does this heater meet Low NOx requirements?

Yes. The W3H200FDN is designed to comply with Low NOx emissions regulations, where required.

Is professional installation recommended?

Yes. Professional installation is strongly recommended to ensure proper gas supply, ventilation, and safe operation.