
W-1901 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $999.90 | Condition is New – Open box, Westermeyer W-1901 Oil Separator 1-5/8" ODS 450 PSIG Refrigeration HVAC, shipping cost = $35.71 | 99.0% |

The Westermeyer W-1901 Oil Separator is a essential component in refrigeration, heating, and air conditioning (HVAC) systems that ensure the efficient and clean operation of these systems. This oil separator is specifically designed for applications with a 1-5/8 inch OD (Outside Diameter) inlet and outlet.
Measuring at 11.5 inches in length and 3.5 inches in width, this compact separator boasts a robust and durable design, manufactured from high-quality materials. It is designed to handle oil separations efficiently, preventing the build-up of oil and contaminants in the refrigerant line. The W-1901 is suitable for use in refrigeration systems with a capacity of up to 450 tons.
The Westermeyer W-1901 Oil Separator features a unique design that utilizes centrifugal force to separate the oil from the refrigerant. This design ensures that the oil is effectively removed from the refrigerant, preventing it from entering the compressor, which can lead to costly repairs and decreased system efficiency.
The separator is constructed with a smooth interior surface, which minimizes turbulence and ensures that the oil is evenly distributed for efficient separation. The separator also includes a drain valve, which allows for easy and convenient removal of the collected oil.
The Westermeyer W-1901 Oil Separator is designed for easy installation and replacement. It comes with NPT (National Pipe Thread) threads on both inlet and outlet, making it compatible with a wide range of refrigeration systems. Additionally, it is designed to withstand the harsh conditions of HVAC environments, ensuring long-lasting performance.
In summary, the Westermeyer W-1901 Oil Separator is a crucial component for the efficient and clean operation of refrigeration, heating, and air conditioning systems. Its compact design, robust construction, and effective oil separation capabilities make it an ideal choice for applications with a 1-5/8 inch OD inlet and outlet, and a capacity of up to 450 tons.
The Westermeyer W-1901 oil separator is a commonly used component in 1-5/8 inch ODS (Outside Diameter, Schedule 40) refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems. Below are some potential pros and cons of purchasing this oil separator.
Pros:1. Efficient Oil Separation: Westermeyer oil separators are known for their ability to effectively separate oil from refrigerant, which is essential to maintain system performance and prevent damage to compressor and other components.
2. Durable Design: These separators are made from high-quality materials and are designed to withstand the rigors of continuous operation in HVAC and refrigeration systems.
3. Easy Installation: The W-1901 model is available in various lengths to accommodate different system requirements. Its threaded connection makes it easy to install and connect to the system.
4. Cost-Effective: Compared to some other oil separator brands, the Westermeyer W-1901 is considered cost-effective, making it a popular choice for many HVAC and refrigeration professionals.
Cons:1. Limited Capacity: Depending on the specific application and system requirements, the W-1901 oil separator might not provide sufficient capacity for oil separation. In such cases, larger or multiple separators might be necessary.
2. Potential for Leaks: As with any threaded connection, there is always a risk of leaks. Proper installation and regular maintenance can help minimize this risk.
3. Limited Compatibility: This oil separator is specifically designed for 1-5/8 inch ODS systems. It might not be compatible with other system sizes or types.
In conclusion, the Westermeyer W-1901 oil separator offers efficient oil separation, a durable design, and easy installation at a cost-effective price. However, it may not provide sufficient capacity for larger systems, and its limited compatibility and potential for leaks are worth considering. Ultimately, the decision to purchase this oil separator depends on the specific requirements of the HVAC or refrigeration system and the preferences of the user. If the system is a 1-5/8 inch ODS refrigeration or HVAC application, and the required capacity is within the separator's capabilities, then the Westermeyer W-1901 oil separator can be a reliable and cost-effective choice.
Details:
This unit is new old stock and has never been installed.
specifications maxohvac:
- brand: Westermeyer Industries
- mpn: W-1901
- type: Oil Separator
- country of origin: United States
offer maxohvac:
- options: ship-to-home
- started: june 2, 2026
- price: $999.90
- item condition: New – Open box
- availability: in stock
- best offers: true
- in stock #: 1
- sold #: 6
seller maxohvac:
- # reviews: 193
- rating: 99.0%
- city: circle pines, minnesota
shipping maxohvac:
- transit: 2-6 days
- class: standard, expedited
- carrier: ups, fedex
- service: ups ground, fedex ground / fedex home delivery, fedex 2day
- type: calculated
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- policy: returns accepted
- method: money back
- paid by: seller
- time: 30 days
payments maxohvac:
- credit card: diners-club
- other
- wallet: apple-pay
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