Hayward W3H135FDP 135,000 BTU Propane Gas Pool & Spa Heater – Reliable, Compact Heating Power

Hayward W3H135FDP 135,000 BTU Propane Gas Pool & Spa Heater

The Hayward W3H135FDP propane gas heater is the ideal solution for small to medium-sized pools and spas that demand powerful, energy-efficient performance. Designed with Hayward’s trusted technology, this 135,000 BTU unit delivers fast, consistent heating in a compact footprint—making it perfect for above-ground pools, spas, and smaller in-ground setups. With smart diagnostics, a durable design, and user-friendly controls, this heater keeps your water warm and swim-ready all season long.

• Precise Temperature Control – Digital LED control panel lets you set and maintain your desired water temperature with ease.
• Energy-Efficient Operation – Advanced combustion system maximizes fuel efficiency while minimizing emissions—perfect for eco-conscious pool owners.
• Durable, Corrosion-Resistant Build – Built with a stainless steel burner and a robust cupro-nickel heat exchanger for long-lasting performance in harsh pool environments.
• Smart System Diagnostics – Self-diagnostic technology ensures fast troubleshooting and minimal downtime.
• Low-Profile, Compact Design – Fits easily in tight equipment pads or smaller backyard spaces without sacrificing power.
• Plug-and-Play Compatibility – Easy installation with standard 120V or 240V electrical hookup—perfect for DIYers or professionals.
• Reliable in Cold Weather – Designed to operate efficiently in varying climates, including early spring and late fall conditions.
• Direct Replacement for H-Series Heaters – Ideal upgrade or replacement for older Hayward models, ensuring seamless compatibility.
• Certified Low NOx Emissions – Meets air quality standards for environmentally sensitive regions like California and Texas.