New Heater for SW pool

[jbate]

OK so its time to replace my 15 year old heater. A few years back we converted to SW. Should we get a heater with a cupro-nickel heat exchanger, or is standard copper OK from a corrosion/longevity perspective?

16x36 IG vinyl, Watermaid SW system running at 4000-5000 ppm

[PoolDoc]

The current consensus here is that the Hayward Universal is the best choice -- not perfect, but the best alternative.

Natural gas models:

• Hayward H400FDN Universal H-Series Low Nox 400,000-BTU Natural Gas Pool Heater
• Hayward H350FDN Universal H-Series Low Nox 350,000-BTU Natural Gas Pool Heater
• Hayward H300FDN Universal H-Series Low Nox 300,000-BTU Natural Gas Pool Heater
• Hayward H250FDN Universal H-Series Low Nox 250,000-BTU Natural Gas Pool Heater
• Hayward H200FDN Universal H-Series Low Nox 200,000-BTU Natural Gas Pool Heater
• Hayward H150FDN Universal H-Series Low Nox 150,000-BTU Natural Gas Pool Heater

Propane models:

• Hayward H400FDP Universal H-Series Low Nox 400,000-BTU Propane Pool Heater
• Hayward H350FDP Universal H-Series Low Nox 350,000-BTU Propane Pool Heater
• Hayward H300FDP Universal H-Series Low Nox 300,000-BTU Propane Pool Heater
• Hayward H250FDP Universal H-Series Low Nox 250,000-BTU Propane Pool Heater
• Hayward H200FDP Universal H-Series Low Nox 200,000-BTU Propane Pool Heater
• Hayward H150FDP Universal H-Series Low Nox 150,000-BTU Propane Pool Heater

Hayward Universal product page