oakwood61
Registered User
I need input on the slightly-flattened ABS "Limbo pipe" for use under PV (solar) arrays for residential use. According to the company's IAPMO report, it is not part of their Solar Roof Jack testing and listing. Besides this obvious issue of not being listed does anyone accept its use for diverting a plumbing vent under a PV array? And if so, why?