
A889 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $8.99 | Condition is New, JACOBUS MAID O MIST STEAM AIR VALVE A889 #D 1/8" ANGLE New In Box, shipping cost = $5.95 | 100.0% |

The Jacobus A889 Maid Mist 1/8 Angle Box Steam Air Valve is a versatile and essential component in steam systems designed to control air flow and maintain steam pressure. This valve is manufactured by Jacobus Rathgeber, a trusted name in the steam industry known for its high-quality products.
The A889 Maid Mist Steam Air Valve is available in a 1/8 angle box configuration, making it a space-saving solution for applications where installation space is a concern. The valve body is constructed from heavy-duty cast iron, ensuring durability and long-lasting performance in harsh steam environments.
This particular valve model is part of the Maid Mist series, which is recognized for its unique design that significantly reduces the amount of condensate that can enter the air chamber. This feature results in less frequent maintenance requirements and improved system efficiency.
The A889 valve operates using a pneumatically actuated diaphragm, which provides precise control over steam air flow. The valve comes equipped with a 1/8 NPT inlet and outlet connection, making it easy to integrate into existing steam systems.
Additionally, the A889 Maid Mist Steam Air Valve features a self-draining design, which ensures that any accumulated condensate is automatically drained during operation. This design helps prevent the valve from becoming a source of water hammer and reduces the risk of damage to the system.
The valve comes with a number of factory-installed options, such as a 0.5 inch NPT drain connection, a 1/8 NPT pressure gauge connection, and a 1/8 NPT solenoid valve connection. These optional features can be customized to meet the specific requirements of your steam system.
Overall, the Jacobus A889 Maid Mist 1/8 Angle Box Steam Air Valve is a reliable and efficient solution for controlling air flow and maintaining steam pressure in various industrial applications. Its compact design, high-performance diaphragm, and self-draining features make it an excellent choice for steam system operators seeking to optimize system efficiency and reduce maintenance requirements.
Jacobus A889 Maid Mist 1/8 Angle Box Steam Air Valves are commonly used in steam systems to control the pressure and prevent water hammering. Here are some pros and cons that could help you make an informed decision about purchasing these valves:
Pros:1. Durable Construction: These valves are constructed with high-quality materials, including brass bodies and stainless steel parts, ensuring long-lasting performance.
2. Easy Installation: The 1/8 angle box design allows for easy installation in tight spaces. The valves also come with mounting hardware and clear installation instructions.
3. Leak-Free Performance: The valves feature a seal-tight design with a packing gland that ensures a leak-free performance.
4. Pressure Relief: The valves provide pressure relief, preventing damage to the system caused by excessive pressure.
5. Cost-Effective: Compared to other valve options, the Jacobus A889 Maid Mist 1/8 Angle Box Steam Air Valves are relatively affordable.
Cons:1. Limited Size Options: These valves come in only one size, which may not be suitable for all steam system applications.
2. Maintenance Required: The packing gland will need to be replaced periodically to maintain the valves' performance.
3. Not Suitable for High-Temperature Applications: These valves are not suitable for use in steam systems with temperatures above 350 F (177 C).
In conclusion, the Jacobus A889 Maid Mist 1/8 Angle Box Steam Air Valves offer several advantages, including durability, easy installation, leak-free performance, pressure relief, and cost-effectiveness. However, they have some limitations, such as limited size options and the requirement for periodic maintenance.
Based on the information provided, I would recommend these valves for applications where the steam temperature is below 350 F (177 C), and where the size of the valve is suitable for the steam system. The durability, ease of installation, and cost-effectiveness make these valves a good choice for many steam system applications. However, if your system has unique requirements, such as high-temperature operation or larger valve sizes, you may need to consider other options.
Details:
The product is a Jacobus maid o mist steam air valve 1/8 angle, which brand new in the original packaging. Shipped with USPS ground advantage. Lot of 2 Jacobus maid o mist steam air valves 1/8 angle. Condition is new.
specifications centrafurn:
- brand: Jacobus
- mpn: A889
- model: Jacobus Maid A889
- type: Central Furnace
- power source: Steam
- color: Silver
- finish: Chrome
- item width: 18 In
offer centrafurn:
- availability: in stock
- sold #: 11
- price: $8.99
- item condition: New
- started: september 13, 2025
- in stock #: 1
- options: ship-to-home
- best offers: true
payments centrafurn:
- wallet: paypal
- other
- credit card: visa
shipping centrafurn:
- type: calculated
- transit: 5-11 days
- carrier: usps
- class: standard
- service: usps ground advantage
returns centrafurn:
- time: 30 days
- paid by: seller
- method: money back
- policy: returns accepted
seller centrafurn:
- rating: 99.5%
- city: streator, illinois
- # reviews: 1740
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
