1 year warranty

Hayward Universal H-Series™ Gas Heater



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  • Standard cupro nickel heat exchanger.
  • Excellent salt water and chemical corrosion resistance.
  • Exclusive “Totally Managed” cupro nickel heat exchanger water flow.
  • Same water velocity through all tubes for faster heating.
  • Patented header by-pass design.
  • Insulated Fire Tile Combustion Chamber.
  • Digital LED Control Panel.
  • Up to 18 per cent savings by reducing pump run-time.
  • 2in x 2 1/2in CPVC union plumbing connections.
  • Common union for installation or service, adapts to larger plumbing recommended for greater efficiencies.
  • Low NOx emissions – meets clean air quality standards.
P/No. Description BTU/hr Thermal Efficiency Width (in.) Depth (in.) Height (in.) Water Connections Heat Exchanger Heater Weight (lbs)
HNG150 Hayward H150 Heater – Nat/Gas 150,000 82.7% 21 29.5 24 2 x 2.5” Cupro Nickel 110
HNG250 Hayward H250 Heater – Nat/Gas 199,900 83% 25 29.5 24 2 x 2.5” Cupro Nickel 123
HNG400 Hayward H400 Heater – Nat/Gas 399,900 84% 36 29.5 24 2 x 2.5” Cupro Nickel 160

Hayward is always looking to make pool and spa ownership as simple and effortless as possible, and with the new Universal H-Series Low nitrous oxide (NOx) heater they have combined industry-leading hydraulic performance, environmentally responsible low NOx emissions, and a standard cupro nickel heat exchanger with a low profile appearance and light-weight design for the ultimate in pool heating solutions. It also comes with a reversible water connection plus 50-65mm CPVC union connections to provide unrivalled installation flexibility for new or existing equipment pads.

It also includes a forced draft system that constantly moves air through the combustion chamber at a precise flow rate. As a result, all outside weather variables that can affect the heating performance, such as wind conditions, are eliminated.

If you’re looking for the ultimate in pool gas heaters then look no further – the Hayward Universal H-Series Gas Heater is the one for you!

How our ordering process works.

Once you have added the products to your cart, initiated checkout and completed the order, it is sent to our sales team. We will place the order with our stockists and you will be contacted when your order is ready to be picked up locally, or delivered to your door.

When do I pay for the products?

Payment is made to our stockists. If you choose to pick up your order from the stockist, payment will be required upon receiving the order. For deliveries, you will enter your card details through a secure form and the order will be sent to your door.