
A21825-1 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $16.50 | Condition is New, Armstrong A21825-1 Armstrong Model 811 Series Body Gasket, FREE SHIPPING | 99.5% |
![]() | $17.00 | Condition is New, Armstrong A21825-1 Gasket, fits 800/880 811/881 bucket trap OEM FACTORY NEW, FREE SHIPPING | 100.0% |
![]() | $11.10 | Condition is New, Armstrong A21825-1 Gasket, fits 800/880 811/881 bucket trap OEM FACTORY NEW, shipping cost = $7.48 | 100.0% |
![]() | $20.00 | Condition is New, A21825-1 Armstrong Gasket F/800,880,811,881 Trap OEM A21825-1, FREE SHIPPING | 99.9% |
![]() | $16.99 | Condition is New, A21825-1 Armstrong Gasket F/800,880,811,881 Trap OEM A21825-1, shipping cost = $5.89 | 97.8% |
![]() | $21.31 | Top Pick! Condition is New, Armstrong A21825-1 Body Gasket For 811 Inverted Bucket Steam Trap, FREE SHIPPING | ![]() |
![]() | $22.00 | Condition is New, ARMSTRONG A21825-1 GASKET REPAIR KIT NSMP, FREE SHIPPING | 99.8% |
![]() | $19.95 | Top Pick! Condition is New, A21825-1 Armstrong Gasket F/800,880,811,881 Trap OEM A21825-1, shipping cost = $7.96 | 99.7% |
![]() | $20.55 | Condition is New, ARMSTRONG A21825-1 / A218251 (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $36.26 | Condition is New, Armstrong A21825-1 "GASKET F/800 "GASKET F/800, FREE SHIPPING | 98.7% |
![]() | $54.00 | Condition is New, ARMSTRONG A21825-1 GASKET LOT OF 3 NSMP, FREE SHIPPING | 99.8% |
![]() | $63.80 | Condition is New, Armstrong gasket lot of 8 A21825-1 new, shipping cost = $16.68 | 100.0% |
![]() | $108.00 | Condition is New, ARMSTRONG A21825-1 GASKET LOT OF 6 NSMP, FREE SHIPPING | 99.8% |
![]() | $100.00 | Top Pick! Condition is New, 5 NEW ARMSTRONG A21825-1 / A218251 GKT REPAIR FLAT GHN 800 KITS, shipping cost = $15.79 | 100.0% |
![]() | $138.00 | Condition is New, ARMSTRONG A21825-1 GASKET LOT OF 7 NSMP, FREE SHIPPING | 99.8% |
![]() | $138.00 | Condition is New, ARMSTRONG A21825-1 GASKET LOT OF 7 NSMP, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $15.95 | Condition is New – Open box, ARMSTRONG A21825-1 NSNBC01, shipping cost = $5.00 | 99.6% |

The Armstrong International A21825-1 gasket is a crucial component designed for use in various sizes of Armstrong's 800, 880, and 811 series traps. This gasket plays a vital role in creating a sealed connection between the trap body and the connecting piping, ensuring the efficient and effective operation of the water or wastewater system.
The A21825-1 gasket is engineered using high-quality, durable materials that can withstand the rigors of continuous use in demanding applications. It is specifically formulated to provide a reliable, leak-free seal while accommodating reasonable thermal expansion and contraction in the system.
The gasket is designed with a tapered edge, ensuring a perfect seal even when installed in slightly misaligned or irregularly shaped surfaces. The tapered edge allows for easy installation and great adaptability. Moreover, its circular cross-section offers excellent pressure distribution, promoting even stress distribution and long-term durability.
The A21825-1 gasket is intended to provide a watertight seal for Armstrong's 800, 880, and 811 series traps, ranging in sizes from 1-1/2" to 8". This universal applicability enhances its versatility, making it an ideal choice for projects requiring multiple trap sizes.
Armstrong International manufactures this gasket with precision, adhering to the highest industry standards to ensure a reliable and long-lasting component. This commitment to quality is reflected in the gasket's superior performance, offering significant cost savings through improved system efficiency and reduced maintenance requirements.
In summary, the Armstrong International A21825-1 gasket is an essential purchase for anyone managing or installing water or wastewater systems. Its reliable sealing capabilities, durability, ease of installation, and versatile compatibility with various sizes of Armstrong's 800, 880, and 811 series traps make it a valuable addition to your plumbing projects.
Pros and Cons of buying a Armstrong International A21825-1 Gasket for 800, 880, 811, and 881 Traps
The Armstrong International A21825-1 gasket is a critical component for 800, 880, 811, and 881 traps. This gasket is known for its durability, sealing performance, and versatility. In this analysis, we will discuss both the advantages and disadvantages of investing in the Armstrong International A21825-1 gasket.
Pros:1. Superior Sealing: The primary advantage of the A21825-1 gasket is its sealing capacity. This gasket forms a tight seal between the trap and the wall or floor, preventing leaks and minimizing water loss. This superior sealing ensures that your plumbing system remains efficient and effective.
2. Durability: The Armstrong International A21825-1 gasket is made of high-quality materials, making it resistant to corrosion and wear. This durability ensures that the gasket lasts for a long time, reducing the need for frequent replacements.
3. Versatility: The A21825-1 gasket can be used for various trap models, including 800, 880, 811, and 881. This versatility saves time and effort as you won't have to purchase multiple gaskets for different traps.
4. Easy Installation: The Armstrong International A21825-1 gasket is designed for easy installation. It comes with a preformed shape that conforms to the contours of the trap and the pipe connections, making it a straightforward process to install it.
Cons:1. Cost: Although the Armstrong International A21825-1 gasket offers several advantages, it is more expensive than some other gasket options. However, the long-term savings from reduced water loss and fewer replacement needs can offset the initial investment.
2. Limited Compatibility: While the A21825-1 gasket can be used with the specified trap models, it may not be compatible with other trap brands or models. This limited compatibility may require you to purchase multiple gasket types for your plumbing system.
Conclusion:The Armstrong International A21825-1 gasket is a valuable investment for those requiring a high-performing, long-lasting gasket for their 800, 880, 811, and 881 traps. It offers superior sealing, durability, versatility, and easy installation while maintaining an airtight seal to prevent leaks. However, the high cost and limited compatibility might deter some users. Considering the long-lasting benefits, the Armstrong International A21825-1 gasket can prove to be an economical solution in the long run, making it an excellent option for maintaining an efficient and functional plumbing system.
Recommendation:If you're in the market for a new gasket for your Armstrong International 800, 880, 811, or 881 trap, the A21825-1 gasket is worth the investment. Its advantages, such as superior sealing, durability, ease of installation, and versatility, outweigh the downsides of limited compatibility and higher cost. Overall, this gasket will contribute to a more efficient and maintenance-free plumbing system.
Details:
Cover gasket to fit series 8 880, 811, 881 inverted bucket steam traps.
specifications maxohvac:
- brand: Armstrong International
- mpn: A21825-1
- part type: Gasket Trap
- country/region of manufacture: United States
payments maxohvac:
- wallet: google-pay
- other
- credit card: mastercard
seller maxohvac:
- rating: 100.0%
- # reviews: 7765
- city: frankfort, illinois
offer maxohvac:
- sold #: 23
- options: ship-to-home
- prices: $11.10–$138.00
- item condition:
- New
- New – Open box
- in stock #: 5
- started: february 5, 2025
- availability: in stock
shipping maxohvac:
- service: usps ground advantage
- class: standard
- type: calculated
- carrier: usps
- transit: 5-13 days
returns maxohvac:
- policy: no returns
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
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