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Pioneer X-4400005 Pressure Balance Spool

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Stainless spool body with bright brass threaded top with black rubber o-rings and stainless internal piston.
Pioneer X-4400005 Pressure Balance Spool - Image 2
Pioneer X-4400005 Pressure Balance Spool - Image 3

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“Hello, I was in the shop on Tuesday and was greeted and helped by a gentleman named Jackson. He was extremely helpful, friendly and it was really a pleasure to see a young man working in this industry with knowledge and kindness. I run my my own small business and was a first time customer at Noel’s, being greeted and cared for in that manner will definitely bring about my return. I want to send me sincerest gratitude to your team. Thanks again! ”
-Jimmy M.
10/21/2022

$48.27

 

The Pioneer X-4400005 is a pressure balance spool used as a replacement part for single-handle tub and shower valves. It is designed to maintain steady water temperature and prevent sudden fluctuations (scald protection) during use.

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: 20512 Categories: , Tag:

Restore your shower’s safety with the Pioneer X-4400005. This crucial internal spool, measuring 2 3/8 inches in length, balances hot and cold water pressure to prevent dangerous temperature spikes and scalding in single-handle shower systems.

 

X-4400005

 

  • It acts as a balancing mechanism within the valve to ensure safety and user comfort by stabilizing water temperature.
  • Fits 4010B 1910B & 4011B series valves
  • 2 3/8″ length

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…

“This place is amazing. I live in San Antonio, Texas and there are a few plumbing stores with vintage parts but they never have what I need and the ordering process takes them weeks. I found a rare part at Noels by reverse image search but they will do it for you. I've used them 3 times. Their agents are knowledgable and polite. They will find you the same part or the after market part and get you going on your way. They have 2-3 day shipping. My house was built in the 30's and they know exactly what the after market parts are that I need. I save money and time going to them. I sure wish they were in San Antonio! I will just go directly to Noel's next time - they are LEGENDS! ”
-BP W.
06/21/2026
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