Sterling Hvac Immersion Water Heaters

Overview

The STERLING HVAC 71311100-0 is a rectangle drop-in bathtub built from solid Vikrell, a reinforced composite material engineered for structural rigidity and long-term surface durability. The tub measures 72 inches in length and 42 inches in width, with an overall deck height of 20.3125 inches and a water depth of 15.25 inches. Total water capacity is 80 gallons, providing a full-depth bathing well suited for residential and light commercial installations. The unit ships in white with a high-gloss finish designed to resist staining and simplify routine cleaning. A contoured backrest with lumbar support and arched armrests are molded into the shell. Licensed plumbers and finish carpenters typically handle drop-in tub installations under applicable IPC and local plumbing code requirements. This tub is designed for drop-in installation into a field-built deck or surround, making it a common specification for custom bathroom remodels in both residential and commercial settings. The drain location is reversible, giving installers flexibility in drain rough-in positioning. The drain connection accepts a 2-inch drain fitting. An optional flange kit is available separately for conversion to alcove-style installation, providing continuous rim support and improved water containment compared to a non-flanged alcove setup. The large bathing well interior measures 50 inches x 25.625 inches at the bottom and 59 inches x 33 inches at the top, maximizing usable soaking area within the…