Response to For a Hayward H250FDN in-ground pool heater, inside heater application, negative venting with B type flue pipe through garage roof, is this DHI250 vent hood required or not? Installer says not.
Would there be a problem with installing the vent hood even if installed says it isn't needed? The ignition on the heater is electronic, not milli-volt, if that matters. Installer says it does, I'm not sure how the ignition effects venting??
Can't get a good answer either way. Thanks for any help.
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