John Guest 1" Push Fit End Cap Plug with Quick Connect Plumbing Fitting for Water Lines – PSEI4636

John Guest PSEI4636 1" Push Fit End Cap Plug.
This high-quality push-to-connect fitting provides a fast, secure, and leak-free way to cap 1" tubing — no tools or clamps needed. Designed for plumbing, water filtration, and beverage systems, it’s trusted by professionals and DIY homeowners alike for its durability and ease of use.

Key Features

• Model: PSEI4636

• Connection Size: 1" OD (Outer Diameter)

• Type: Push Fit / Push-to-Connect End Cap

• Material: Acetal (Polyoxymethylene) – strong, food-grade plastic

• Working Pressure: Up to 150 PSI (at 70°F)

• Temperature Range: 33°F to 150°F

• Color: White

• Certification: NSF Certified for potable water and food contact

Applications

 Plumbing systems and water lines
 Reverse Osmosis (RO) water filter systems
 Beverage dispensers, coffee machines, and ice makers
 RVs, aquariums, and home water filtration setups
 Sealing unused or test lines during installation and maintenance