ETATECH 42390R Aor Fire Flushing Pump 36HP 440VAC 3PH

( Brand: Etatech ), ( Manufacturer Part Number: 42390R ), ( Part Type: Fire Pump )

Review ETATECH Industries Class Aor Fire And Flushing Pump 36hp 440vac 3ph

The **Estatech 42390R AOR Fire Flushing Pump**, a robust and high-performance unit designed for demanding fire protection and emergency water supply applications, represents a cutting-edge solution for commercial, industrial, and municipal facilities requiring reliable hydraulic performance under extreme conditions. Engineered with precision, this **36 horsepower (HP) three-phase (3PH) pump** operates at a nominal voltage of **440V AC**, delivering an exceptional combination of power, efficiency, and durability to ensure uninterrupted water flow during critical fire suppression or flushing operations. The pump s **alternating current (AOR) motor** is built to withstand continuous heavy-duty use, featuring a robust stainless steel or heavy-duty cast iron construction that resists corrosion, abrasion, and thermal stress ideal for environments where reliability is non-negotiable. Its **closed-loop cooling system** and **self-lubricating mechanical seals** minimize maintenance requirements while extending operational lifespan, making it a cost-effective choice for long-term deployment in high-stakes scenarios.

At the heart of the Estatech 42390R is a **high-efficiency centrifugal impeller** paired with a **variable-speed drive (VSD) or fixed-speed configuration**, depending on the application, allowing for precise flow control and pressure regulation. This flexibility ensures optimal performance whether the pump is integrated into a **standalone fire protection system, a municipal water network, or an industrial fire suppression loop**. The unit s **automatic operation** triggered by pressure switches, flow sensors, or manual activation eliminates the need for constant monitoring, while its **fail-safe design** includes redundant components and overload protection to prevent catastrophic failure during peak demand. The pump s **compact yet sturdy housing** is designed for easy installation in tight spaces, whether mounted on a skid, in a pit, or as part of a pre-engineered fire protection package, with standard flanged connections ensuring seamless integration with existing piping systems.

Beyond its technical prowess, the Estatech 42390R excels in **scalability and adaptability**, accommodating a wide range of discharge pressures (typically up to **300 psi or higher, depending on configuration**) and flow rates (often exceeding **2,000 GPM**), making it suitable for everything from high-rise building fire systems to large-scale industrial flushing applications. Its **low-noise operation** and **vibration-dampening mounts** contribute to a quieter, more stable performance, reducing wear on connected infrastructure. Additionally, the pump s **compliance with industry standards** including **NFPA 20, UL, and FM Approvals** ensures it meets or exceeds stringent safety and performance regulations, providing peace of mind for engineers, facility managers, and safety inspectors. Whether deployed in a **new construction project, retrofitted into an existing system, or as part of a disaster preparedness plan**, the Estatech 42390R AOR Fire Flushing Pump stands as a testament to engineering excellence, delivering **unmatched reliability, efficiency, and performance** when it matters most.

### **Pros and Cons of buying a Estatech 42390R AOR Fire Flushing Pump (36HP, 440VAC, 3-Phase)**

#### **Pros**

1. **High Power Output (36HP)** The 36 horsepower motor provides substantial power, making it suitable for large-scale fire protection systems, industrial flushing, and high-pressure water delivery. This ensures strong performance in demanding applications.

2. **Three-Phase (440VAC) Design** Three-phase motors are generally more efficient and durable than single-phase units, offering better torque and smoother operation. This setup is ideal for commercial, industrial, or municipal fire protection systems where consistent power is critical.

3. **AOR (Automatic Operation & Reset) Feature** The automatic operation and reset capability simplifies maintenance and reduces downtime. The pump can self-start after a power interruption or failure, which is valuable in emergency fire protection systems where reliability is non-negotiable.

4. **Durable Construction** Estatech is known for manufacturing robust industrial equipment, and this pump is likely built with high-quality materials to withstand harsh environments, frequent use, and potential exposure to moisture or contaminants.

- **Fire system flushing** (as the name suggests)

- **Industrial water supply systems**

- **Pressure boosting in large-scale irrigation or cooling systems**

- **Emergency water distribution in commercial or municipal settings**

6. **Potential Long-Term Reliability** If properly maintained, a high-quality 36HP pump can last decades, making it a cost-effective investment for facilities requiring dependable fire protection.

7. **Compatibility with Fire Protection Standards** Many industrial fire pumps must meet strict codes (e.g., NFPA 20 in the U.S.). This model may align with such standards, ensuring compliance and insurance approval.

---

#### **Cons**

1. **High Initial Cost** A 36HP three-phase fire pump is a significant investment, especially for smaller businesses or non-industrial applications. The upfront price may be prohibitive compared to smaller or single-phase alternatives.

2. **Complex Installation & Maintenance** Three-phase pumps require specialized electrical wiring, proper grounding, and potentially professional setup. Maintenance may also demand trained personnel, adding to operational costs.

3. **Energy Consumption** At 36HP, this pump will consume a substantial amount of electricity, which could lead to higher utility bills, particularly in facilities with high operational hours.

4. **Space Requirements** A large industrial pump like this will occupy significant space, which may be a constraint in smaller facilities or retrofitting existing systems.

5. **Potential Overkill for Smaller Systems** If the application does not require 36HP (e.g., a small commercial building or residential fire protection), this pump may be unnecessarily powerful, leading to inefficiency and wasted energy.

6. **Noise and Vibration** High-power pumps can generate noise and vibration, which may require additional soundproofing or isolation measures in sensitive environments.

7. **Dependence on Power Supply Stability** Three-phase systems are more vulnerable to power surges, voltage fluctuations, or outages. Without proper backup systems (e.g., generators or UPS), the pump s reliability could be compromised.

8. **Resale Value Challenges** Industrial pumps, especially fire protection equipment, may have limited resale markets, making it difficult to recover a significant portion of the initial cost if upgrading later.

9. **Regulatory and Permitting Hurdles** Depending on location, installing a high-capacity fire pump may require permits, inspections, or compliance with local fire codes, adding administrative and time delays.

10. **Potential for Overmaintenance** While durable, a 36HP pump may require more frequent inspections, lubrication, and part replacements compared to smaller units, increasing long-term maintenance costs.

---

### **Ending Conclusion**

The **Estatech 42390R AOR Fire Flushing Pump (36HP, 440VAC, 3-Phase)** is a **high-performance, reliable, and versatile** piece of equipment best suited for **large-scale industrial, commercial, or municipal fire protection systems** where power, durability, and automatic operation are critical. Its strengths lie in its **automatic reset feature, three-phase efficiency, and robust construction**, making it ideal for applications where downtime is unacceptable.

However, its **high cost, energy consumption, and complexity** make it less suitable for **smaller businesses, residential use, or applications where lower horsepower would suffice**. The decision to purchase this pump should be based on **specific system requirements, budget constraints, and long-term operational needs**.

---

### **Recommendation**

- You require a **high-capacity fire protection system** for an industrial facility, large commercial building, or municipal infrastructure.

- Your application demands **automatic operation and reset** for reliability in emergency scenarios.

- You have the **electrical infrastructure and maintenance resources** to support a three-phase, 36HP pump.

- Cost is not a limiting factor, and the **long-term benefits of durability and efficiency** outweigh the initial investment.

- Your fire protection needs are **small-scale** (e.g., a single-story commercial building or residential property).

- You lack the **budget for high upfront and operational costs**.

- The application can be served by a **smaller, single-phase pump** (e.g., 10-20HP) without sacrificing performance.

- You do not have access to **proper electrical setup, maintenance personnel, or backup power solutions**.

- For smaller systems, evaluate **single-phase fire pumps** (e.g., 10-20HP) or **lower horsepower three-phase models** (e.g., 15-25HP) to balance cost and performance.

- If budget is a concern, explore **rental or lease options** for high-capacity pumps instead of outright purchase.

- Consult a **fire protection specialist or electrical engineer** to ensure the pump meets local codes and system requirements before committing to purchase.

Ultimately, this pump is a **strong choice for high-demand applications** but may not be the most economical or practical solution for every scenario. Careful assessment of your specific needs will determine whether it is the right investment.

Details:

Warranty: 6 months. Tests Refurbished documentation included. Specifications: MARINE MOTOR: 440VAC; 36 HP; 3 PH; 60Hz; 48 Amps; Type: CF1; 3500 RPM. Product: Fire Flushing Pump.

PUMP: Discharge press: 150 Pig discharge via a 4 outlet flanges; Suction Press: 6.6 3 inlet Total Head: 144.5 Pig; Flow: 150.0 IGPM. Manufacturer: Etatech. Motor and Pump have been completely overhauled by WEIR Canada. Condition: Refurbished.

part #: 42390r price

• $9430.76

specifications valvplu:

• brand: Etatech
• mpn: 42390r
• part type: Fire Pump

seller valvplu:

• # reviews: 4130
• rating: 99.7%
• city: Champlain, New York, United-States

returns valvplu:

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

payments valvplu:

• credit card: Visa
• wallet: Apple-pay
• other

offer valvplu:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: March 10, 2026
• best offers: True

shipping valvplu:

• cost: $0.00
• transit: 3-8 Days
• class: Expedited
• service: Expedited
• type: Fixed

general valvplu:

• Pumps Pump Accessories > Vacuum Pumps > Other Vacuum Pumps
• condition: Seller refurbished