Appliance Alliance™ by Petra Industries is your wholesale source for appliance installation parts and accessories tailored to retailers and installers. As the exclusive distributor of Certified Appliance Accessories, Petra delivers a trusted assortment of high quality products — from range cords, washer hoses, and water filters to gas connectors and dryer vents. Shop wholesale appliance parts from top brands like ERP, BrassCraft, Dormont, and more.