Sterling Water Treatment Scale Inhibitor Filter for S500SS - S501 - 1
by Sterling Water Treatment · Filter
HardwarePlumbingWater Dispensing & Filtration
| Manufacturer part number | S501 |
|---|---|
| Plumbing Deals SKU | STWS501 |
| UPC / GTIN | 0813310023344 |
| Availability | In stock at Plumbing Deals, as of 18 Oct 2026 |
Affiliate link: you pay on Plumbing Deals' site, under its shipping and returns. We may earn a commission. Delivery time is shown on Plumbing Deals' site.
Plumbing Deals prices are from its product feed as of 18 Oct 2026, not live; a 'Pack of' price is for the whole pack. The current price and stock are on Plumbing Deals' own page.
Description
From Plumbing Deals' product listing.
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.
All 4 listings for S501 at Plumbing Deals
| Listing | Price | Availability | |
|---|---|---|---|
| Each · UPC 0813310023344 | $50.66 as of 18 Oct 2026 |
In stock | See current price at Plumbing Deals |
| Sterling Water Treatment Scale Inhibitor Filter for S500SS - S501 - 5 Pack of 5 · UPC 0813310023344 |
$203.76 as of 18 Oct 2026 |
In stock | See current price at Plumbing Deals |
| Sterling Water Treatment Scale Inhibitor Filter for S500SS - S501 - 10 Pack of 10 · UPC 0813310023344 |
$378.57 as of 18 Oct 2026 |
In stock | See current price at Plumbing Deals |
| Sterling Water Treatment Scale Inhibitor Filter for S500SS - S501 - 2 Pack of 2 · UPC 0813310023344 |
$86.76 as of 18 Oct 2026 |
In stock | See current price at Plumbing Deals |
Affiliate links: you pay on Plumbing Deals' site, under its shipping and returns. We may earn a commission. Delivery time is shown on Plumbing Deals' site.