DIAMOND™ Seal Technology

Diamonds are the hardest substance known to man, and DIAMOND™ Seal Technology takes full advantage of this property. Delta's exclusive DIAMOND™ Seal Technology uses a valve with a tough diamond coating to bring you a faucet built to last up to 5 million uses & plus it keeps water inside the faucet out of contact with potential metal contaminants.

With its durable components and simple construction, a DIAMOND™ Seal Technology faucet lasts 10 times longer than the industry standard (ASME 112.18.1 / CSA.B125.1, 500,000 cycles). One-piece InnoFlex® waterways with PEX-C tubing make DIAMOND™ Seal Technology faucets simple to install.

The handle limit stop on Delta’s DIAMOND™ Valve cartridge makes it easy to limit the range of the handle motion for hot water from full flow to a 50/50 mix. This feature is the smart choice to protect sensitive skin from scalding.

View kitchen products with DIAMOND™ Seal Technology

View bath products with DIAMOND™ Seal Technology

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