The 16kW Harvia Virta Pro HL160E electric sauna heater provides ample heating power for saunas in health clubs, spas, hotels, and apartment buildings. The Virta Pro features robust construction, with heating elements that are divided into two groups for exceptionally easy maintenance making it ideal for sauna rooms with heavy use. This stylish sauna heater provides even the most demanding bathers with a professional sauna experience. Required Xenio Control and a minimum of 200lbs of stones, sold separately. For sauna rooms from 354 to 918 cu. ft. Requires a minimum of 200lbs of stones (5 boxes-AC3020)Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply). Please note that each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function (Additional freight charges will apply). Works with Xenio Control (sold separately) Work with Xenio Power Extension unit (sold separately) Direct rock-to-heating element contact Industrial grade, serviceable heating elements Designed, engineered, and made in Finland Dimensions: 31"W (787mm) x 13"D (330mm) x 33"H (838mm) Installation and operation manual