Cleans heater coils thoroughly. Restores pressure and circulation in minutes, with no strong odor. Calci-Free is a unique, economical, biodegradable cleaner containing a combination of organic, inorganic and corrosion inhibiting ingredients. It is easy to use and works twice as fast as other cleaners. Use it for routine cleaning to remove calcium and other solid deposits from heating coils.

• Calci-Free tankless water heater flush cleans heater coils thoroughly, restores pressure and circulation in minutes, with no strong odor, Calci-Free is a unique, economical, biodegradable cleaner containing a combination of organic, inorganic and corrosion inhibiting ingredients, it is easy to use and works twice as fast as other cleaners
• More effective than vinegar
• Easy to use no strong odor
• Cleans heat exchanger fast

• A complete cleaning system to clean and restore efficiency to tankless water heaters. All the equipment necessary to pump and circulate the Calci-Free flushing solution through tankless water heaters to eliminate lime scale and other contaminants which can build up on the walls of heat exchanger tubes over time. And block the flow of water.
• Rectorseal Calci-Free Tankless Water Heater Flush Kit
• Heavy-Duty Utility Pump (Submersible) With 3/4 In. Ght Connection
• 7 Ft. Feeder Hose With Swivel Fittings
• 7 Ft. Discharge Hose
• Elevated Pump Strainer
• 1.2 Lbs. Calci-Free Approved For Use With Navien Tankless Water Heaters
• Cleans In 20 Minutes
• Easy To Use
• Efficient
• No Mess
• Complete System Kit
• MFG# 68711