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Model #21714-0150

Store SKU #1005204775

3/4 in. Brass NCLX-A Temperature and Pressure Relief Valve

  • Designed to protect hot water heaters and storage tanks
  • Provides effective isolation from mineral deposits and corrosion
  • Lead free DZR brass construction for durability and reliability
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Product Overview

The 3/4 in. NCLX-A Tempeture and Pressure Relief Valve incorporates an inert thermal element coating that provides effective isolation from mineral deposits (liming). Cast bronze body with male inlet and female outlet, brass and stainless steel internal parts, silicone seat disc and stainless steel spring. Test lever standard. Temperature relief setting is 210°F (99°C).
  • Provides effective isolation from mineral deposits and galvanic corrosion
  • Completely automatic and reseats after temperature and pressure relief
  • Every valve is tested for performance prior to shipping
  • Listed by CSA and ASME
  • California residents

Info & Guides

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Product Depth (in.)
1.25 in
Product Height (in.)
6.5 in
Product Width (in.)
1.25 in


Finish Family
Bronze/Copper Metallic
Number in Package
Pack Size
Product Type
Temperature and Pressures Valve
Product Weight (lb.)

Warranty / Certifications

Manufacturer Warranty
For warranty information on this product, please call our Internet Customer Service Center at 1-877-700-4242

Questions & Answers

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Customer Reviews

  • 4.8
    out of 5 reviews
  • 100% recommend this product
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Showing 1-5 of 5 reviews
Easy to do and came on time....
Easy to do and came on time.
  • Verified Purchase
Perfect fit...
Perfect fit
by GusFring
  • Verified Purchase
Exact replacement and works as expected....
Exact replacement and works as expected.
by Robert
  • Verified Purchase
this part was exactly right ...
this part was exactly right
by HomeDepotCustomer
  • Verified Purchase
Temp and Pressure Relief Valve
Installed in a tankless water heater system. There is no way to know if it works until it is needed, and we hope it is never needed. It looks nice ....
by GamblersChoice
  • DIY
  • Verified Purchase
  • Recommended Product
Showing 1-5 of 5 reviews