Elkhart Supply BestPEX Crimp Adapter Fitting | Brass or Poly | 12 Opts

Transition from PEX to threaded fittings. BestPEX Adapters are crimp-style insert fittings — brass or high-impact plastic — that take a copper crimp ring or stainless clamp and thread into faucets, valves and water heaters.

Options

• 28842 — BestPEX adapter, plastic
• 28874 — BestPEX adapter, plastic
• 41128 — BestPEX brass insert adapter
• 51121 — BestPEX adapter
• 51122 — BestPEX adapter
• 51123 — BestPEX adapter
• 51128 — BestPEX adapter
• 51164 — BestPEX adapter
• 51176 — BestPEX adapter
• 51177 — BestPEX adapter
• 51181 — BestPEX adapter
• 51251 — BestPEX male threaded adapter

⚠️ Match the Part Number

Flair-It, BestPEX and EcoPoly numbers are size-specific (1/2" and 3/8" PEX are the common RV sizes), so match the number printed on your existing fitting, or send us a photo of the part and the tubing size and we'll confirm before you order.

Key Features

• Crimp / clamp PEX connection
• Brass or high-impact plastic
• ASTM F877, F1807, CSA B137.5 — brass
• Limited 5-year warranty

Specifications

• Brand: Elkhart Supply
• Type: PEX Crimp Adapter
• Line: BestPEX
• Options: 28842, 28874, 41128, 51121, 51122, 51123, 51128, 51164, 51176, 51177, 51181, 51251