
The McDonnell Miller No. 51 51 Boiler Control Water Feeder is a crucial component for maintaining optimal water level and pressure in industrial boilers. This automatic water feeder is designed for low-pressure applications, specifically for boilers operating at 35 pounds per square inch (psi) pressure.
This feeder is constructed with high-quality materials, including a brass housing and a stainless steel diaphragm, ensuring durability and resistance to corrosion. The brass housing is not only robust but also provides excellent heat transfer properties, making it suitable for use in high-temperature environments.
The McDonnell Miller No. 51 51 Boiler Control Water Feeder features an internal float-operated mechanism that automatically adds water to the boiler when the water level drops below the desired point. This ensures a consistent water level, preventing potential damage from overheating or boiler dry-out.
The feeder is also equipped with a pressure relief valve, which is factory-set at 35 psi. This valve allows excess pressure to escape, maintaining a safe operating pressure and preventing potential damage to the boiler system.
The McDonnell Miller No. 51 51 Boiler Control Water Feeder is easy to install and operate. It comes with all necessary hardware for mounting, including a brass mounting bracket and 1/2 inch NPT threaded inlet and outlet connections. The installation process typically involves connecting the feeder to the boiler, the water supply, and the drain.
The feeder is designed to be maintenance-friendly, with easily accessible components. It features a clear sight glass, which allows for easy inspection of the water level and any potential issues. Additionally, the diaphragm is replaceable, ensuring a long service life for the feeder.
In summary, the McDonnell Miller No. 51 51 Boiler Control Water Feeder is an essential accessory for maintaining a properly functioning and safe low-pressure boiler system. It is constructed of high-quality materials, features an automatic water feeding mechanism, and includes pressure relief and easy maintenance capabilities.
Pros and Cons of Buying McDonnell Miller No. 51 51 Boiler Control Water Feeder (35 psi)
Introduction:The McDonnell Miller No. 51 51 Boiler Control Water Feeder is a crucial component for maintaining optimal water level and pressure in boiler systems. This article discusses the advantages and disadvantages of investing in this product.
Pros:1. Precision Control: McDonnell Miller's water feeder offers precise control over the water level and pressure in the boiler system. This is essential for efficient and effective operation, reducing downtime and potential damage to the system.
2. Durable Construction: The feeder is built with high-quality materials, ensuring long-lasting performance and resistance to corrosion and wear.
3. Easy Installation: The product comes with clear installation instructions, making it a relatively straightforward process for most users.
4. Versatile Applications: The 35 psi rating makes this water feeder suitable for a wide range of boiler systems, making it a versatile investment.
5. Reliable Performance: McDonnell Miller is a reputable brand known for producing reliable and efficient products, making this water feeder a dependable choice for maintaining boiler systems.
Cons:1. Cost: The McDonnell Miller No. 51 51 Boiler Control Water Feeder may have a higher upfront cost compared to some competitors. However, its long-term durability and performance may offset this initial investment.
2. Complexity: While the installation process is relatively easy, the water feeder does contain several components that may require some technical knowledge to fully understand and maintain.
3. Limited Capacity: With a capacity of 35 psi, this water feeder may not be suitable for very large-scale boiler systems, limiting its applicability for some users.
Conclusion:The McDonnell Miller No. 51 51 Boiler Control Water Feeder offers numerous advantages, including precise control, durable construction, easy installation, versatile applications, and reliable performance. However, it does come with some drawbacks, such as a higher upfront cost and potential complexity. Ultimately, the decision to invest in this product depends on the specific needs and budget of the user.
Recommendation:If you're in need of a high-quality, reliable, and precise water feeder for your boiler system, the McDonnell Miller No. 51 51 Boiler Control Water Feeder (35 psi) is an excellent choice. Its long-term durability and performance make it a worthwhile investment, despite its potentially higher upfront cost. However, if you have a limited budget or require a larger capacity water feeder, you may want to explore other options before making your final decision.
Details:
Offered: selling as used, because cover plate on switch model 2 is missing.
specifications maxohvac:
- brand: Mcdonnell Miller
- mpn: No-51
- part type: Water Control Feeder
- country of origin: United States
seller maxohvac:
- # reviews: 30176
- rating: 99.6%
- city: philadelphia, pennsylvania
offer maxohvac:
- options: ship-to-home
- prices: $55.00–$1525.00
- item condition:
- Used
- New – Open box
- New
- For parts or not working
- sold #: 8
- best offers: true
- availability: in stock
- started: january 16, 2026
- in stock #: 5
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- method: money back
- policy: returns accepted
- paid by: buyer
- time: 30 days
shipping maxohvac:
- type: calculated
- class: standard
- transit: 5-8 days
- carrier: fedex
- service: fedex ground / fedex home delivery
payments maxohvac:
- other
- wallet: paypal
- credit card: mastercard
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