Invigoration Small Drain PanComplete your Invigoration steam generator shower installation with this durable stainless steel drain pan. It comes with a warranty of 3 years. It is made out of durable stainless steel. For use with K 5525, K 5526, K 5529, K 5531, K 5539 and K 5543 steam generators K 5539 and K 5543 require 2 drain pans 3 4 in. NPT outlet for drain connection Protects against water damage from leaks or pressure relief Tandem generators 18kW and 22kW require two