The Blowdown Attachment automates the cleaning procedure for your Auto-6 steamer. Drains the steamer tank every night, keeping it clean for maximum life and reliable performance day after day. Activates when steamer pressure drops to 15 PSI, opening the steamer valve and emptying the tank into your drain (steamer valve must be properly plumbed according to local plumbing codes). Refills the tank automatically when the steamer is turned on in the morning. Weighs 12 lbs. Manufacturers warranty 1-year. Made in USA. 

Fits Auto-6 Automatic Water-Feed Steamers only. See 8536088 for Auto-8 units.  Must be ordered with the steamer and installed at the factory.  Cannot be installed afterward.