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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.

chat iconWHAT OUR CUSTOMERS SAY…

“These people were extremely helpful in taking me through replacing a 25 year old hard water frozen cartridge on my Philrich sink faucet. They were able to identify the correct part I needed from a photo I sent (I had it figured out wrong). I was pleasantly surprised they had an obscure part like this, but they also told me how to extract the old one when I couldn’t get it out. They said to unscrew it after I had concluded from YouTube the old cartridge was supposed to just slide out. It threaded out as they said and saved me buying a cartridge extractor and a hernia. The whole experience has been excellent. ”
-Pete L.
03/10/2026

$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, asknoel@noelsplumbingsupply.com, 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…

“I just wanted to say - you guys rock. I got my order one day after I placed it, and the part works great and let me get my guest shower back up and running. Thank you so much! ”
-Micah C.
05/31/2023
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