TACO VR25H-F1 00e VR Series Cast Iron ECM High-Efficiency Circulator - VR25H-F1
The TACO VR25H-F1 is a variable speed, wet rotor circulator designed for both chilled and hot water applications in commercial settings. This circulator is equipped with an ECM motor that provides efficiency and reliability.
Features
- Compatible with Building Management Systems (BMS), including Modbus and BACnet
- Operates efficiently within a fluid temperature range of fourteen to two hundred thirty degrees Fahrenheit
- Constructed with a durable stainless steel rotating assembly for extended service life
Specifications
| Series |
Series 00e VR |
| Product Type |
Circulator Pump |
| Pump Body Material |
Cast Iron |
| Connection Size |
2-1/2 inches |
| Connection Type |
Flanged |
| Maximum Flow Rate |
284 USGPM |
| Max Shut Off Head |
61 Feet |
| Water Temperature Range |
14°F to 230°F |
| Maximum Pressure |
175 psi |
| Input Voltage |
200/240 V |
| Power Consumption |
2.1 HP (1550 W) |
| UL Listed |
Yes |
What our Experts Think
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OEM Replacement Component
The Taco 1636-004RP is a motor assembly without the motor, designed for Taco 1600 Series pumps—ideal for cases where the existing motor is still operational.
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Frame 56 Compatible
Built to match 56-frame motor mounts, ensuring proper alignment and fit for direct integration into the pump housing.
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Efficient, Cost-Saving Repair
Enables partial replacement without the need to purchase a full motor unit, reducing both costs and downtime.
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Restores Original Performance
Maintains factory-grade balance, alignment, and function—critical for consistent pump efficiency and long-term reliability.
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Ready for Installation
Pre-assembled components streamline maintenance, making it a quick solution for field repair or scheduled service.
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Commonly Stocked
Typically available through major HVAC and plumbing suppliers, ensuring fast turnaround for urgent replacements.
Q&A
Q: What is the Taco 1636-004RP?
A: The 1636-004RP is a motor assembly kit for Taco 1600 Series pumps, provided without the actual motor. It includes the necessary structural and mechanical components to support and align a replacement motor.
Q: What does “less motor” mean?
A: It means the kit includes the motor bracket, hardware, coupling parts, and other non-motor components — but not the electric motor itself.
Q: What pumps is it used with?
A: It’s designed for Taco 1600 Series in-line circulator pumps, particularly those built on the 1636 pump frame size.
Q: What are the typical applications?
A: Used in commercial HVAC, hydronic heating, and industrial fluid systems where motor reinstallation or replacement is needed without changing the entire pump assembly.
Q: Is this an OEM part?
A: Yes, it is a genuine Taco OEM replacement component.
Maintenance Tips
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Ensure compatibility with your Taco pump model and motor.
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Inspect coupling surfaces for wear or misalignment.
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Clean mating surfaces to ensure good contact and prevent vibration.
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Check and replace seals or gaskets during reassembly.
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Use the correct torque on mounting bolts to avoid distortion.
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Verify shaft alignment before full operation.
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Monitor for vibration or noise after installation as early signs of issues.
