Friday, 9 April 2021

Hayward H400IDL pool heater rust on burn tubes, corrosion on heat exchanger

Hello
I just took apart my 16 year old Hayward natural gas pool heater to inspect the burners and heat exchanger. I'm wondering if someone more knowledge than I am could look at the attached pictures and advise me if they thought it was time to purchase a new heater?

I showed the pics to my local Leslie's Pool manager (someone I've known for years and trust) and he thought the heat exchanger corrosion was bad enough to require a replacement heater. He didn't advise just replacing the heat...

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