
100327345 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $209.99 | Condition is New, A.O. Smith 100327345 Impeller 100133575 Lochinvar ARM1051 Armstrong -FREE SHIP, FREE SHIPPING | 100.0% |
![]() | $399.96 | Condition is New, A.O. Smith 100327345 Impeller 100133575 Lochinvar ARM1051 Armstrong, FREE SHIPPING | 98.9% |
![]() | $556.78 | Condition is New, Lochinvar & A.O. Smith 100327345 Impeller, FREE SHIPPING | 98.5% |
![]() | $561.75 | Top Pick! Condition is New, Lochinvar 100327345 Impeller Replacement Part for Pumps, FREE SHIPPING | ![]() |
![]() | $598.00 | Condition is New, Lochinvar 100327345 Lochinvar 100327345 K,IMPELLAR,PUMP, FREE SHIPPING | 100.0% |
![]() | $666.00 | Condition is New, LOCHINVAR 100327345 / 100327345 (BRAND NEW), shipping cost = $12.90 | 97.9% |

The Lochinvar A.O. Smith 100327345 impeller is a crucial component for heating systems that use the Armstrong YFG, YFA, and YFS series circulators. This impeller, specifically designed by Lochinvar in collaboration with A.O. Smith, is engineered to provide optimal circulation efficiency and reliability for your heating system.
The impeller features a modern, hydraulically balanced design, ensuring smooth and quiet operation. Its durable construction is made from corrosion-resistant materials, extending the impeller's lifespan and reducing the need for frequent replacements. The impeller's dimensions are 3.625 inches in diameter and 3.375 inches in width, making it a perfect fit for the Armstrong YFG, YFA, and YFS series circulators.
The Armstrong arm 1051 is designed to work seamlessly with the Lochinvar A.O. Smith 100327345 impeller. This arm is engineered to provide excellent support and stability to the impeller, ensuring proper alignment and circulation efficiency. The arm is also constructed from corrosion-resistant materials, ensuring its durability and longevity.
The Armstrong YFG, YFA, and YFS series circulators are known for their energy-efficient and reliable operation. The Lochinvar A.O. Smith 100327345 impeller and Armstrong arm 1051 are essential upgrades for these circulators, enhancing their performance and extending their lifespan.
Installing the Lochinvar A.O. Smith 100327345 impeller and Armstrong arm 1051 is a straightforward process. Simply remove the old impeller and arm, clean the circulator housing, and install the new components. It is recommended to follow the manufacturer's instructions carefully to ensure proper installation and to avoid any potential issues.
In conclusion, the Lochinvar A.O. Smith 100327345 impeller and Armstrong arm 1051 are high-quality upgrades for Armstrong YFG, YFA, and YFS series circulators. Their hydraulically balanced design, durable construction, and easy installation make them an excellent choice for enhancing the performance and longevity of your heating system.
Pros and Cons of Buying Lochinvar A.O. Smith 100327345 Impeller, 100133575 Arm 1051, and Armstrong Parts
Introduction:This analysis will discuss the pros and cons of purchasing Lochinvar A.O. Smith 100327345 Impeller, 100133575 Arm 1051, and Armstrong parts for water heating systems.
Pros of Buying Lochinvar A.O. Smith 100327345 Impeller:1. High-Quality Material: The impeller is made of durable materials, ensuring long-lasting functionality and resistance to corrosion.
2. Efficient Design: The impeller's design enhances system performance by optimizing water flow and ensuring uniform heat distribution.
3. Compatibility: This impeller is specifically designed for Lochinvar water heating systems, ensuring a perfect fit and seamless integration.
Pros of Buying Lochinvar A.O. Smith 100133575 Arm 1051:1. Durability: The arm is built to last, with materials designed to withstand the rigors of continuous use in water heating systems.
2. Precise Fit: The arm is engineered to fit perfectly with Lochinvar water heating systems, ensuring optimal performance.
3. Easy Installation: The arm's design facilitates straightforward installation, minimizing downtime and labor costs.
Pros of Buying Armstrong Parts:1. Reliability: Armstrong parts are known for their dependability and longevity, ensuring minimal maintenance and downtime.
2. Interchangeability: Armstrong parts are often interchangeable with other brands, providing flexibility in sourcing replacement parts.
3. Wide Range of Products: Armstrong offers a vast selection of parts for various water heating systems, making it a one-stop-shop for repair and replacement needs.
Cons of Buying Lochinvar A.O. Smith 100327345 Impeller:1. Cost: The impeller may be more expensive compared to some aftermarket alternatives, which could be a concern for budget-conscious consumers.
Cons of Buying Lochinvar A.O. Smith 100133575 Arm 1051:1. Limited Availability: The arm may be harder to find in local hardware stores, requiring online purchases or contacting the manufacturer directly.
Cons of Buying Armstrong Parts:1. Potential Compatibility Issues: While Armstrong parts are often interchangeable, there may be cases where they do not fit perfectly with certain systems, requiring additional adjustments or modifications.
Conclusion:When considering the purchase of Lochinvar A.O. Smith 100327345 Impeller, 100133575 Arm 1051, and Armstrong parts for water heating systems, it is essential to weigh the benefits against the potential drawbacks. These parts offer high-quality materials, efficient designs, and compatibility with specific systems, but they may come with higher costs and potential availability issues. Ultimately, the decision to purchase depends on the specific needs, budget, and availability considerations of the consumer.
Recommendation:For those seeking reliable, high-performing parts for their Lochinvar water heating systems, investing in genuine Lochinvar A.O. Smith parts is recommended. However, for budget-conscious consumers or those with limited availability concerns, exploring Armstrong parts or other aftermarket alternatives may be a viable option, as long as compatibility and performance are thoroughly evaluated.
Details:
The item is new. Please reference pictures. Adding new merchandise daily. Smith 100327345 impeller 100133575 Lochinvar ARM1051 armstrong -free ship.
Free shipping.
specifications maxohvac:
- brand: Lochinvar A.o. Smith
- mpn: 100327345
- part type: Impeller
offer maxohvac:
- in stock #: 5
- prices: $209.99–$666.00
- item condition: New
- availability: in stock
- sold #: 12
- best offers: true
- options: ship-to-home
- started: january 6, 2026
seller maxohvac:
- # reviews: 4861
- city: glendale, california
- rating: 100.0%
shipping maxohvac:
- carrier: usps
- type: fixed
- transit: 4-11 days
- class: standard
- service: usps ground advantage
returns maxohvac:
- paid by: seller
- method: money back
- policy: returns accepted
- time: 30 days
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
payments maxohvac:
- credit card: discover
- other
- wallet: google-pay
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