 For a fast same-day or next-day service, go to bestplumbing.com. Bestplumbing.com. The sale at Master Wholesale is happening now. The largest selection of in-floor heating in stock from MasterHeat, Suntouch, Schluter, and NuHeat. Now stocking heated towel bar warmers. More than 90 colors of grout and caulk in stock. Almost all LVP on sale and ceramic tile starting at 49 cents a square foot. Plus a huge inventory of Schluter and Weddy shower systems.