Steamist SM-900 240-Volt Auto Drain

Steamist SM-900 Auto Drain - Model-SM-900 Product Information Normally Open Inlet & Outlet - 1/2" NPT Brass Female Thread Not to be used with any InstaMist Steam Generators. The Steamist Auto Drain is Recommended for SM-11 Through System 30 in Hard Water Areas. Although Not Required, The Auto Drain Option can be Ordered on Dual Kilowatt and Fixed Kilowatt Systems as Well. This Option Automatically Purges the Generator After Each Steambath Allowing New Water to Enter the Stainless Steel Reservoir for the Next Bath.