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The FERNOX 59900 is a central heating system protector supplied in a single express can format. Designed for hydronic heating system treatment, it delivers corrosion and scale inhibition to closed-loop heating circuits. The express can format allows direct injection into the system without additional equipment, making it practical for service technicians performing routine maintenance or commissioning new installations. This type of protector helps extend system component life by reducing the buildup of scale and corrosion byproducts in boilers, radiators, and pipework.
The FERNOX 59900 is suited for residential and light commercial central heating systems using closed-loop hydronic circuits. It is typically applied during system commissioning, after a powerflush, or as part of a routine maintenance program. Heating engineers and plumbers add protector treatments to comply with manufacturer warranty requirements and industry best practices for system water quality. The single express can format is intended for one-time dosing of a standard residential heating circuit.
Designed as an OEM-style treatment for closed-loop residential and light commercial central heating systems requiring corrosion and scale protection.
Application is typically performed by a licensed plumber or heating engineer. Before dosing, isolate and power down the boiler and allow the system to cool to a safe working temperature. Follow the system manufacturer and chemical supplier dosing instructions regarding the correct volume for the circuit size. Dispose of empty cans in accordance with local regulations.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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