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Pasco 4803 1 1/2″ Twist Tite Mechanical Test Plug

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Red plastic plug with thick black rubber seal and metal screw and wing nut.

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“Hey these guys are awesome! If you need a part for a fixture they have it send a picture and they can tell you what it is, they know their stuff, they have the weird obscure things you can't find unless you get a whole trim kit or whatever. Worth the trip and the money. They save you tons of time definitely visit ”
-Justin H.
06/05/2026

$7.87

 

The Pasco Specialty 4803 is a 1-1/2 inch expandable economy test plug made of synthetic rubber. It is designed for low-pressure water testing on plastic and cast iron drain, waste, and vent (DWV) plumbing systems.

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, noelsplumbingsupply@fuse.net, or via the text widget on this screen.

SKU: 10667 Categories: , Tag:

The PASCO Specialty 4803 Econo Test Plug (1-1/2″) is a premium, cost-effective expandable mechanical plug engineered for low-pressure water testing in residential and commercial plumbing systems. This high-performing mechanical pipe plug features an integrated synthetic rubber flange that securely grips the inner walls of PVC, ABS, and cast iron drain, waste, and vent (DWV) piping networks to effectively prevent slip-outs during testing phases.

 

  • Designed to be a temporary or permanent plug for pipe
  • Die cast wing nut and nylon washer provide for easy tightening
  • Built with a gripping flange on the end of the pipe to prevent slippage during tests

 

Common questions about this product

Is this item the original manufacturer's recommended replacement part? chevron-icon

Yes, this is the OEM recommended part.

Is this the correct item for my application? chevron-icon

If you’re not sure text us a picture 1-888-275-6635 or email us a picture at noelsplumbingsupply@fuse.net.

 

We will make sure you have the right part.

 

 

chat iconWHAT OUR CUSTOMERS SAY…

“Outstanding fast delivery on two pieces of an ancient Wolverine bath stem for Kohler - from the early 40s I think. The new one has a different body design, but it screwed directly into the old hot/cold tree and was the exact 6" length. Forty eight hours after installation now, and all remains fine. Also, kudos to the people who set up the website and ordering process. Great work - clear photos and info ! PS: I'm not an employee or family...lol. I retired from electrical wholesaling here outside Chicago and I appreciate a good job. ”
-JM C.
07/31/2026
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