Pre-Purchase Inspections Did you know that a gas-burning stove requires power ventilation? This over the range microwave was not connected to a vent. Jetted tubs are required to be ground fault protected (GFCI). This could have led to a shocking experience. Uh oh…foundation crack! At a closer glance, it was only the parging and I was happy to tell the potential buyers that it’s not the foundation and that it’s merely cosmetic.