GRACO 208-470 Monark Air Pump Transfer 5/1 120 2.5GPM

( Brand: Graco ), ( Manufacturer Part Number: 208-470 ), ( Part Type: Pump Transfer ), ( Country Of Manufacture: Usa )

Review GRACO Monark Air Powered Transfer Pump 5/1 Ratio 120 Psi 2.5gpm

The **Graco 208-470 Monark Air Transfer Pump** is a robust and versatile piece of equipment designed to efficiently transfer liquids, slurries, and semi-solid materials in industrial, agricultural, and commercial settings. Engineered with precision and built to withstand demanding applications, this air-operated double-diaphragm pump delivers reliable performance with minimal maintenance. Operating on a 120-volt electrical system, it generates a powerful air transfer mechanism that drives two reinforced diaphragms in a synchronized motion, ensuring consistent flow rates of up to **2.5 gallons per minute (GPM)** while handling a wide range of viscosities from thin liquids like water and solvents to thicker substances such as paints, adhesives, and even certain food-grade products. The pump s **Monark series** designation underscores its durability, featuring a robust stainless steel construction that resists corrosion and wear, making it ideal for environments where harsh chemicals or abrasive materials are present. Its compact yet sturdy design allows for easy integration into existing systems, whether for filling, emptying, or transferring liquids in tanks, barrels, or other containers. The pump s air-operated mechanism eliminates the need for complex electrical components, reducing the risk of electrical hazards and ensuring smooth operation even in wet or dusty conditions. With its **self-priming capability**, the Graco 208-470 can handle low-pressure applications without requiring additional priming equipment, further enhancing its convenience. Whether used in automotive shops for fluid transfers, agricultural operations for fertilizer or pesticide handling, or industrial facilities for chemical processing, this pump offers a balance of efficiency, durability, and ease of use. Its **quick-connect fittings** and flexible hose options allow for quick setup and reconfiguration, while the integrated air valve ensures precise control over flow rates. Backed by Graco s reputation for quality and innovation, this air transfer pump is a dependable solution for professionals who demand reliability in their liquid handling processes.

The **Graco 208-470 Monark Air Transfer Pump (120 PSI, 2.5 GPM)** is a popular choice for air-powered material transfer systems, particularly in industrial, agricultural, and construction settings. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **High Performance and Efficiency**

The pump delivers **2.5 GPM (gallons per minute)** at **120 PSI**, making it suitable for transferring liquids, slurries, or fine powders efficiently. This capacity is adequate for many medium-duty applications, such as transferring paint, chemicals, or agricultural slurries.

2. **Durable Construction**

Graco is known for building robust, long-lasting equipment. The Monark model features **heavy-duty materials**, including **stainless steel components** in critical areas, which resist corrosion and wear. The air motor and diaphragm design is engineered for durability, reducing the need for frequent replacements.

3. **Versatile Applications**

- **Liquids** (water, oils, solvents, paints)

- **Slurries** (agricultural sprays, sewage treatment)

- **Fine powders** (when paired with the right nozzle and system)

It can be used in **agriculture (fertilizer/spray applications), industrial coating, food processing (with proper sanitization), and construction (concrete admixtures)**.

4. **Easy Maintenance and Repairs**

Graco pumps are designed with **modular components**, making repairs and maintenance more straightforward. The diaphragm, seals, and filters are accessible and replaceable without extensive disassembly. Graco also provides **detailed service manuals and replacement parts**, which helps users maintain the pump efficiently.

5. **Compatibility with Graco s Ecosystem**

If you already use other Graco equipment (e.g., sprayers, tanks, or hoses), this pump integrates seamlessly with their **air-powered systems**. Graco offers **compatible nozzles, filters, and control valves**, ensuring optimal performance.

6. **Good Reliability for Continuous Use**

With proper maintenance, this pump can operate for **extended periods** without frequent breakdowns. Many users report **thousands of hours of use** in demanding environments, such as farming or industrial plants.

7. **Affordable Compared to High-End Alternatives**

While not the cheapest pump on the market, it offers **better value than premium brands** like **Husky or Toro** for its performance and durability. It strikes a balance between cost and functionality for medium-duty applications.

8. **Quiet Operation (Relative to Some Alternatives)**

Air-powered pumps like this one are generally **quieter than electric pumps** of similar capacity, reducing noise in work environments.

9. **Portability and Mobility**

The pump is **air-powered**, meaning it doesn t require an electrical outlet just a compressed air source (e.g., a tank or industrial compressor). This makes it **easier to move between job sites** compared to electric pumps.

10. **Graco s Customer Support and Warranty**

Graco provides a **standard warranty** (typically **1 year on parts and labor**) and has a **well-established dealer network** for support. Many users appreciate Graco s **responsive customer service** for troubleshooting and part replacements.

---

### **Cons**

1. **Requires a Compressed Air Source**

Unlike electric pumps, this **depends on an external air compressor**, which adds complexity to setup. You must ensure you have a **reliable air supply** (e.g., a tank with sufficient PSI and CFM) to avoid interruptions. This can be a drawback in **remote or off-grid locations** where air compressors may not be readily available.

2. **Higher Initial Air Consumption**

The pump operates at **120 PSI and 2.5 GPM**, which means it **draws more air** than smaller or lower-PSI pumps. If your air compressor is undersized, it may struggle to keep up, leading to **reduced efficiency or pump failure**. Users must ensure their compressor can handle the **CFM (cubic feet per minute) demand** of the pump.

3. **Limited for Very High-Viscosity or Abrasive Materials**

While it handles **medium-viscosity liquids and slurries well**, it may **struggle with extremely thick or highly abrasive materials** (e.g., heavy concrete mixes or coarse powders). For such applications, a **heavier-duty pump (e.g., Graco 208-472 or 208-474)** or a **positive displacement pump** might be more suitable.

4. **Noisy in Some Operating Conditions**

While quieter than many electric pumps, it can still produce **noticeable noise** when running at full capacity, especially in enclosed spaces. This may be a consideration for **indoor or noise-sensitive environments**.

5. **Part Replacement Costs Can Add Up**

While Graco parts are generally affordable, **frequent wear items** (e.g., diaphragms, seals, or filters) will need replacement over time. Users in **high-usage environments** may incur **higher long-term costs** than expected.

6. **Not Ideal for Ultra-Precise or Low-Flow Applications**

If you need **very precise flow control or extremely low GPM rates**, this pump may not be the best choice. For such applications, **metering pumps or diaphragm pumps** designed for fine adjustments would be more appropriate.

7. **Learning Curve for Setup and Maintenance**

While Graco provides good documentation, **first-time users may need some trial and error** to optimize settings (e.g., air pressure, nozzle selection, and filter maintenance). Proper setup is crucial to avoid clogs or damage to the pump.

8. **Weight and Size**

The pump is **not lightweight** (weighing around **40-50 lbs**), which may make it **less portable** for one-person operations. However, it is still **easier to move than some industrial pumps**.

9. **Limited to Air-Powered Systems**

If you prefer **electric or hydraulic pumps**, this option is not compatible. Users must commit to an **air-powered system**, which may limit flexibility in future upgrades.

10. **Potential for Air Leaks**

Over time, **O-rings, seals, or hoses** can develop leaks, requiring maintenance. While not unique to Graco, users must **regularly inspect connections** to prevent air loss and ensure consistent performance.

---

### **Conclusion**

The **Graco 208-470 Monark Air Transfer Pump** is a **reliable, durable, and versatile** choice for medium-duty air-powered material transfer needs. It excels in **agriculture, industrial coating, and general liquid/slurry applications** where **2.5 GPM and 120 PSI** are sufficient. Its **easy maintenance, compatibility with Graco s ecosystem, and strong build quality** make it a **cost-effective solution** for many users.

However, it is **not ideal for high-viscosity, abrasive, or ultra-precise applications**, and it **requires a compatible air compressor**, which adds complexity. Users must also **budget for part replacements** over time and ensure proper setup to avoid issues.

---

### **Recommendation**

- You need a **reliable, mid-range air-powered pump** for **liquids, slurries, or fine powders**.

- You already use **Graco equipment** and want seamless integration.

- Your application requires **2.5 GPM at 120 PSI** (e.g., agricultural spraying, paint transfer, or industrial coatings).

- You have access to a **suitable air compressor** (check CFM/PSI requirements).

- You prioritize **durability and ease of maintenance** over ultra-high precision.

- You need to transfer **extremely thick or abrasive materials** (consider a **Graco 208-472 or 208-474** instead).

- You lack a **reliable air compressor** or need an electric/hydraulic pump.

- Your application requires **very low flow rates or precise metering**.

- You frequently work in **noise-sensitive environments** where pump noise is a concern.

- **Graco 208-472 (3.5 GPM, 120 PSI)** For higher flow needs.

- **Graco 208-474 (5 GPM, 120 PSI)** For heavy-duty applications.

- **Husky or Toro Air Transfer Pumps** If you prefer a different brand with slightly different features.

- **Electric Diaphragm Pumps** If you don t have an air compressor but need similar functionality.

For most **medium-duty, air-powered transfer needs**, the **Graco 208-470 Monark** is a **solid, well-supported choice** that balances performance, durability, and affordability. With proper maintenance and the right air supply, it will serve reliably for years. However, **assess your specific material and operational needs** before purchasing to ensure it meets your requirements.

Details:

120 PSI 8 bar maximum air pressure. Series H88G motor / 188C pump. We choose the carrier. Expedited shipping is also available.

Need it urgently. Next Day Second Air Services are available. Your phone number and business name. Will there be a dock or forklift.

LOCAL PICK-UP, Prefer to pick it up yourself. 2.5 GPM 10 l/min maximum flow rate. Quick Links Contact. Monark series air motor model 205-997.

After the return period has ended, you can no longer product.

part #: 208470 prices

• $469.99-$975.00

specifications valvplu:

• brand: Graco
• mpn: 208-470
• part type: Pump Transfer
• country of manufacture: Usa

offer valvplu:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 1
• started: May 21, 2026

returns valvplu:

• time: 30 Days
• paid by: Buyer
• method: Money back
• policy: Returns Accepted

shipping valvplu:

• type: Fixed
• class: Expedited
• cost: $15.99
• service: USPS Priority Mail
• carrier: USPS
• transit: 5-8 Days

payments valvplu:

• credit card: Diners-club
• wallet: Apple-pay
• other

general valvplu:

• Pumps Pump Accessories > Vacuum Pumps > Diaphragm Pumps
• condition: Used

seller valvplu:

• city: Middlebury, Indiana
• rating: 99.8%
• # reviews: 65604

Graco 208-470 Is Similar To:

• 108839 183542 Graco Diaphragms For Husky Diaphragm Pump (25% similar) Graco set of 2 each Teflon poly backup diaphragms for husky D54331 716 diaphragm pump plus rings and gaskets...(June 17th, 2018)
• 188840 Graco Husky Air Diaphragm Pump Aluminum Used (34.4% similar) Graco HUSKY1040 aluminum pump in good used condition removed from a working system may need new seals...(March 20th, 2018)
• 189322 Graco Hytrel Ball Seat Replacement For Husky Pump (26.8% similar) As shown, new...(September 15th, 2018)
• 220617 Graco Series Husky Pump (29.7% similar) Hardly used very good condition...(April 22nd, 2018)
• 220618 Graco Husky Double Diaphragm Pump Series (35.6% similar) M98 Graco 715 husky double diaphragm pump series sold as is has not been tested sure how it even works I got like with white over spray on all know about...(October 16th, 2018)
• 24x424 Graco Chemsafe Inch Bsp Air Operated Diaphragm Pump In Ptfe (39.4% similar) Flow RATE38. Fluid working PRESSURE100 psi displacement per cycle. Suction lift DK3666 DRY13 ft 4 m max. Graco 1040 chem safe 1 not inlet outlet double diaphragm pump used pristine shown installed with stainless steel sanitary ferrules removable on ports. 4MM fluid outlet SIZE1 in operating ...(March 24th, 2018)
• D31331 Graco 307 3-8 Air (27.4% similar) Does not include muffler shelf: F27P. Graco air diaphragm pump suction inlet: 3/8 female not discharge outlet: body: acetyl diaphragms: ball: stainless steel model number: D31331 is used in good working condition...(September 8th, 2017)
• D32911 Graco Husky Pump (25.5% similar) A new pump runs over see link below. For sale is a used Graco husky pump that was with solvent based wood finishes.: Graco husky 307, pp, PDF, PTFE-D32911 1 diaphragm pumps D32911 pump power source: pneumatic certification required: no fluid section material: polypropylene inlet outlet size: inch, 7...(May 11th, 2018)
• D32955 Graco Air Diaphragm Pump Polypropylene Body Tpe New (31% similar) Graco 307 air diaphragm pump suction inlet: 3/8 female not discharge outlet: body: polypropylene diaphragms: tape model number: D32955 is new in opened box shelf: I10PX...(September 28th, 2018)
• D32966 Graco Husky 307 Air (22.7% similar) No instructions, accessories. Pictures are of actual item. Graco husky 307 D32966 air operated diaphragm pump usa. Has light wear, and is a little dirty. In good condition...(January 4th, 2018)
• D52311 Graco Air Diaphragm Pump Polypropylene Body Teflon New (30.3% similar) Shelf: A26P. Does not include any original packaging. Graco 515 air diaphragm pump suction inlet: 1/2 female not discharge outlet: body: polypropylene diaphragms: Teflon model number: D52311 is new and includes manual muffler as pictured...(February 17th, 2019)