Search  for anything...

1/4 Flare Cap, Round Brass w/Neoprene o-Ring Seal, HVAC Valve Caps, Refrigerant Locking caps, HVAC Locking caps (10 PCS)

  • Based on 22 reviews
Condition: New
Checking for product changes
$9.99 Why this price?
Save $9.89 was $19.88

Buy Now, Pay Later


As low as $2 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, Jun 20
Order within 12 hours and 8 minutes
Available payment plans shown during checkout

Number of Items: 10


Features

  • Super Value Pack: This package contains 10 pieces of 1/4 flare caps in a single pack. Each cap comes equipped with a neoprene O-ring seal, making them ideal for valve caps in HVAC systems. These refrigerant locking caps and HVAC locking caps are the perfect choice to ensure system safety and prevent leaks. Whether it's for home repairs or commercial maintenance, these caps provide reliable sealing and protection.
  • Excellent Design: Crafted with precision, our brass flare caps are designed to fit 1/4 copper tubing and feature 7/16-20 UNF threads. These design elements ensure easy installation and removal, while eliminating any potential leak space. Whether it's complex HVAC system repairs or routine maintenance, our brass flare caps provide outstanding sealing and reliability, making every task effortless.
  • Premim Material: Our 1/4 flare caps are made of high-quality brass, ensuring excellent ductility and durability, even in harsh conditions. This robust brass material not only offers sturdy characteristics but also showcases the product's exquisite craftsmanship and high-quality standards. By choosing our brass flare caps for your projects, you're opting for superior resilience, providing a reliable guarantee for your endeavors and embracing the unique advantages of brass.
  • Seamless Sealing Experience: Experience the outstanding performance of chloroprene rubber O-ring seals in perfect sealing. Our 1/4 inch brass cap accessories incorporate special sealing ring technology, seamlessly integrating chloroprene rubber O-ring seals. This unique design ensures unparalleled sealing performance, allowing you to work conveniently in any work scenario.
  • Versatile Use: From home fixtures to critical industrial and manufacturing components, our 1/4 brass flare caps are everywhere. This wide applicability makes them an ideal choice for various sealing needs. No matter what your requirements are, these brass caps are sturdy and reliable, perfectly adapting to various work environments.

Brand: lizenoz


Fit Type: Universal Fit


Vehicle Service Type: Passenger Car


Item Diameter: 0.25 Inches


Number of Pieces: 10


Package Dimensions ‏ : ‎ 3.54 x 2.99 x 1.26 inches; 1.76 ounces


Item model number ‏ : ‎ MX-HT-001


Date First Available ‏ : ‎ June 2, 2024


Manufacturer ‏ : ‎ lizenoz


Best Sellers Rank: #11,744 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #10 in O-Rings


#10 in O-Rings:


Customer Reviews: 4.8 4.8 out of 5 stars 22 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jun 20

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • It is good
Number of Items: 10
Good quality
Reviewed in the United States on June 14, 2025 by Lori Jones

  • All same size. Be sure your fitting are the same size.
Number of Items: 10
Just as pictured!
Reviewed in the United States on March 26, 2025 by KV

  • perfect fit
Number of Items: 10
Fit perfectly- replaced the cheap plastic manufacturer caps on my irrigation backflow device that shot off into the atmosphere when i turned it back on after freezes. ONly had to hand tighten for them to seal properly
Reviewed in the United States on February 12, 2025 by Cranman

  • Cheap Insurance
Number of Items: 10
I never understood the cheap plastic flare caps HVAC manufacturers install on service valves. Although rare, Schrader valves can leak, and the plastic caps aren’t likely to do much, if anything, to prevent leakage. These brass caps are of good quality and value. And along with a dab of Nylog, they should keep the service ports clean and eliminate refrigerant loss due to valve core leakage. ... show more
Reviewed in the United States on August 22, 2024 by SteveV SteveV

  • One size does not fit all
Number of Items: 10
All the same size. Won’t fit low pressure side on my 2005 Sequoia.
Reviewed in the United States on January 29, 2025 by Lynette J.

Can't find a product?

Find it on Amazon first, then paste the link below.