Hayward | HDF400 | Hayward HDF400 Universal HC Series Dual-Fuel 400K BTU Pool & Spa Heater ā Compact, Energy-Efficient, Low NOx
Hayward | HDF400 | Hayward HDF400 Universal HC Series Dual-Fuel 400K BTU Pool & Spa Heater ā Compact, Energy-Efficient, Low NOx
Upgrade your pool or spa with the Hayward HDF400 Universal HC Series Heater. Offering 400,000 BTU heating capacity, dual-fuel compatibility (natural gas or propane), and a compact design, it ensures rapid heating and efficient operation.
Product Highlights:
-
Dual-Fuel Flexibility: Easily converts between natural gas and propane with a simple mixing orifice change.Ā
-
High Heating Capacity: Delivers 400,000 BTUs per hour, efficiently heating large pools and spas.Ā
-
Compact Design: Features the industry's smallest footprint and zero wall clearance design for tight equipment pads.
-
Durable Heat Exchanger: Standard cupro-nickel construction resists corrosion and wear for long-lasting reliability.Ā
-
Low NOx Emissions: Meets clean air quality standards, making it eco-friendly and regulatory compliant.Ā
-
User-Friendly Interface: Intuitive digital thermostat provides precise temperature control and diagnostics for easy operation.Ā
-
Installer-Friendly Features: Quick-access reversible top and exclusive plumbing adapters allow easy setup without cutting pipes.Ā
Specifications:
-
Model: Hayward Universal HC Series 400K BTU Heater (Dual-Fuel)
-
Fuel Options: Natural Gas or Propane
-
Heat Output: 400,000 BTU/hr
-
Thermal Efficiency: 83%
-
Voltage: 120V/240V (field-configurable dual voltage)
-
Amperage: 4A at 120V; 2A at 240V
-
Dimensions: 24" H x 18" W x 30" D
-
Weight: 170 lbs
-
UPC: 0610377402835
Ideal For:
-
Residential Pools & Spas: Efficiently heats in-ground pools and spas.
-
Replacement Installations: Compact design fits into existing equipment pads.
-
Eco-Conscious Users: Low NOx emissions meet air quality standards.
The Hayward HDF400 Universal HC Series Heater combines advanced technology, energy efficiency, and user-friendly features to provide reliable heating solutions for your pool or spa.
Original: $3,999.00
-65%$3,999.00
$1,399.65



Description
Upgrade your pool or spa with the Hayward HDF400 Universal HC Series Heater. Offering 400,000 BTU heating capacity, dual-fuel compatibility (natural gas or propane), and a compact design, it ensures rapid heating and efficient operation.
Product Highlights:
-
Dual-Fuel Flexibility: Easily converts between natural gas and propane with a simple mixing orifice change.Ā
-
High Heating Capacity: Delivers 400,000 BTUs per hour, efficiently heating large pools and spas.Ā
-
Compact Design: Features the industry's smallest footprint and zero wall clearance design for tight equipment pads.
-
Durable Heat Exchanger: Standard cupro-nickel construction resists corrosion and wear for long-lasting reliability.Ā
-
Low NOx Emissions: Meets clean air quality standards, making it eco-friendly and regulatory compliant.Ā
-
User-Friendly Interface: Intuitive digital thermostat provides precise temperature control and diagnostics for easy operation.Ā
-
Installer-Friendly Features: Quick-access reversible top and exclusive plumbing adapters allow easy setup without cutting pipes.Ā
Specifications:
-
Model: Hayward Universal HC Series 400K BTU Heater (Dual-Fuel)
-
Fuel Options: Natural Gas or Propane
-
Heat Output: 400,000 BTU/hr
-
Thermal Efficiency: 83%
-
Voltage: 120V/240V (field-configurable dual voltage)
-
Amperage: 4A at 120V; 2A at 240V
-
Dimensions: 24" H x 18" W x 30" D
-
Weight: 170 lbs
-
UPC: 0610377402835
Ideal For:
-
Residential Pools & Spas: Efficiently heats in-ground pools and spas.
-
Replacement Installations: Compact design fits into existing equipment pads.
-
Eco-Conscious Users: Low NOx emissions meet air quality standards.
The Hayward HDF400 Universal HC Series Heater combines advanced technology, energy efficiency, and user-friendly features to provide reliable heating solutions for your pool or spa.











