lightening module needs clean up, or replacement. if your water heaters are older than 10 years, you may consider replacing them. that's the option I'd take since your heaters are in the attic. leaking is hell to deal with.
【在 m*******p 的大作中提到】 : lightening module needs clean up, or replacement. : if your water heaters are older than 10 years, you may consider replacing : them. that's the option I'd take since your heaters are in the attic. : leaking is hell to deal with.