Hayward W3H135FDP Universal H-Series Propane Gas 135,000 BTU Low NOx

Hayward W3H135FDP Universal H-Series Propane Gas Pool Heater – 135,000 BTU Low NOx

The Hayward Universal H-Series W3H135FDP is a 135,000 BTU propane gas pool heater designed to deliver efficient heating for residential in-ground pools and spas. Built with advanced combustion technology and durable internal components, this heater provides fast heat-up performance while maintaining reliable operation.

The Universal H-Series heater features a Cupro-Nickel heat exchanger that resists corrosion and erosion, making it suitable for saltwater pools and demanding water chemistry environments. Its compact cabinet design allows flexible installation on residential pool equipment pads.

Reliable Propane Heating with Low NOx Emissions

This Low NOx heater is designed to meet strict environmental emissions standards while still delivering powerful heating performance. The fan-assisted combustion system maintains consistent airflow to support reliable heating regardless of weather conditions.

Key Features

• 135,000 BTU propane gas heating capacity
• Universal H-Series Low NOx emissions design
• Cupro-Nickel heat exchanger for corrosion resistance
• Electronic ignition system
• Fan-assisted combustion for consistent heating performance
• Digital LED temperature control and diagnostics
• Flexible plumbing and gas connections
• Designed for residential in-ground pools and spas