Whitlam - FLOW AIDE System Descaler (1 Gallon) Transformers and Timers plug-and-play design for fast setup

plug-and-play design for fast setup in emergency situations

Featuring a rugged electric water pump with a cast iron housing

Anti-float collar & molded torque-stops – keep the pump stable and properly positioned

Houzer also lists it for model 1515-6BS

Whitlam - FLOW AIDE System Descaler (1 Gallon) Transformers and Timers plug-and-play design for fast setupInstall Manual FLOW AIDE System Descaler quickly dissolves water scale, lime, rust, and other water formed deposits, restoring efficiency to most all appliances. FLOW AIDE has the ability to dissolve approximately two pounds (0. 91 kg) of calcium carbonate scale per U. S. gallon while at 70F (21C) in concentrated form. If the FLOW AIDE is diluted, it will still dissolve two pounds per U. S. gallon, but will require additional circulating time. FLOW