Poly Guard Cartridge (Polyphosphate Crystals) - 1.5 lb Iron/Sulfur Removal *Please specify riser pipe opening:

*Please specify riser pipe opening:

so the drive motor only runs during

This motor can be found on Fleck 5600 & 5600 Econominder control vales

Shipping Weight: 350 lbs

Poly Guard Cartridge (Polyphosphate Crystals) - 1.5 lb Iron/Sulfur Removal *Please specify riser pipe opening:Extended Release Corrosion Control Poly Guard Cartridge Prevent Hard Water Rust Scale & Rust Preventer Looking for a solution to hard water rust? Pro Poly Guard slowly releases food grade (Crystals) into the water supply, protecting plumbing and water using appliances from corrosion and hard water rust and extending the life of plumbing and appliances by coating the interior walls. This coating of the plumbing also reduces the leaching of copper and