Protect your water heater and maintain efficiency with the Sterling Water Treatment S501 Replacement Scale Inhibitor Filter.

 Specially engineered for the Sterling S500SS Scale Inhibitor System, this replacement cartridge is your first line of defense against damaging limescale buildup in both tankless and conventional water heaters.

Protect from hard water scale build up by replacing your filter cartridge every 6 months, you ensure a continuous 10 GPM of flow, extending the lifespan of your plumbing fixtures and appliances.

Key Features & Benefits

Actively reduces scale buildup to keep conventional and high-efficiency tankless water heaters running at peak performance.

Easy Replacement: Designed for quick easy tool-free replacement.

Commercial-Grade Flow Rate: Supports 10 GPM flow rate.

Weight	2.0 lb
Height	9.50 in.
Length	2.75 in.
Room	Kitchen
Type	Replacement Cartridges
Width	2.75 in.
Inventory Number	STWS501
MPN	S501