QUICKFITTING SS866R 1-1/2 in. Stainless Steel Push-to-Connect Push Cap (End Stop) Fitting

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About This Product

The QUICKFITTING Stainless Steel push-to-connect line delivers the same patented design and superior sealing performance as the brass series, while elevating durability with a 100% lead-free, corrosion-resistant 304 stainless steel body. These fittings are approved for behind-the-wall and direct-burial applications and are available in sizes from 1/2 in. to 2 in., making them suitable for projects and repairs of any scale. Large-diameter fittings provide reusable, durable, permanent plumbing connections and can be installed up to 90% faster than traditional methods such as soldering. The quick-connection technology offers a simple, safe, and cost-effective solution for joining Copper, PEX, and CPVC pipes in plumbing and heating systems. No open flames or sealants are required—clean the pipe end and push to connect. QUICKFITTING continues to advance push-connect technology through ongoing product development and testing to ensure top-tier performance. Easy disconnection is achieved using the patented Slip Clip release tool. QUICKFITTING is a U.S.-based company with a portfolio of more than 100 patents.

Highlights

• 100% lead-free professional-grade 304 stainless steel construction

• Tested and approved for behind-the-wall or direct-burial use (with or without silicone wrap)

• Ideal for corrosive environments and aggressive water conditions

• Patented design provides superior sealing performance with lower insertion force

• No glues, soldering, crimping, clamps, or special tools required

• Maximum operating pressure: 200 psi; maximum operating temperature: 200°F

• Fast, straightforward installation on Copper, PEX, or CPVC tubing

• Compatible with the patented Slip Clip release tool for quick disconnection (sold separately; QuickFitting model #PP781R)

• Certified by IAPMO to meet ASSE 1061-2015, NSF/ANSI/CAN 61-2019, and NSF/ANSI/CAN 372-2020

• Approved for potable water applications and compliant with safe drinking water standards

• Includes tube stiffeners for PEX connections (not required for Copper or CPVC)

• Can be installed on wet or dry lines (system should be depressurized before installation)

• Allows 360° pipe rotation when the system is not pressurized

• Useful for capping unused water lines or as a temporary cap during renovations; ideal for emergency repairs

• Suitable for indoor or outdoor plumbing, heating repairs, marine use, RV and mobile home repair, and irrigation

• 1-1/2 in. push-fitting end provides a 2-1/8 in. pipe insertion depth

• Includes 1 large-diameter fitting and 1 hi-flo tube stiffener