In a commercial kitchen, hotel, or laundromat, water heater scale is a direct hit to your operating cost. A commercial heater or boiler runs hot all day; a ¼ inch of scale means 25–40% more fuel to make the same hot water — plus downtime, service calls, and early replacement of expensive equipment.
Where scale costs you
- Booster heaters & dish machines (restaurants)
- High-demand tankless banks (hotels, gyms, multi-unit)
- Laundry hot-water systems and light-commercial boilers
Right-sized salt-free protection
For light-commercial flow the inline DU line works; for higher demand we size a larger salt-free system to your load. Tell us your equipment and peak flow and we'll spec it and quote it fast.
DU15 Salt-Free Scale Conditioner
Salt-free water-heater scale protection, up to 15 GPM
$754.68
✔ FREE U.S. shipping
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Fleck 5600SXT 48k Softener
Removes the hardness that scales your water heater
$799.00
✔ FREE U.S. shipping
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Classic Reverse Osmosis System
Bottle-quality drinking water at the tap
$882.40
✔ FREE U.S. shipping
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Salt-free conditioners reduce and help prevent new water-heater scale; they are not softeners and do not remove existing hardness. Free U.S. shipping. See our hard water guide.
The right way to buy a water system: sized to your water, backed for life, free U.S. shipping.
💳 Buy now, pay over time with Shop Pay Installments · 🇺🇸 Free U.S. Shipping
- ✓ 90-Day Money-BackNo restocking fees — return within 90 days.
- ✓ Manufacturer WarrantyGenuine Fleck · Pentair · VIQUA equipment.
- ✓ Free Expert SizingTalk to a specialist and buy the right system the first time.