Taco Stainless Steel Circulator Pump 1/40HP 3/4 NPT 115V - 003-ST4
The Taco 003-ST4 Circulator Pump offers powerful and efficient water circulation for a variety of applications, including hydronic heating, radiant in-floor/panel heating, and solar heating systems. Manufactured by Taco, a leader in pump solutions, this pump features a 1/40HP motor that operates on 115 volts, ensuring reliable performance in residential and commercial setups.
The Taco 003-ST4 is renowned for its quiet operation and energy-efficient design, making it an ideal choice for both new installations and as a replacement unit. Its self-lubricating, maintenance-free design reduces the need for frequent checks and services.
Features
- Efficient 1/40 HP motor with a maximum flow rate of 7 gallons per minute.
- Operates at a fluid temperature range from 40 degrees Fahrenheit to 220 degrees Fahrenheit.
- Designed with a stainless steel construction that combats corrosion and ensures longevity.
Specifications
| Power Rating |
1/40 HP |
| Voltage |
115 Volts |
| Maximum Flow |
7 GPM |
| Connection Type |
3/4 inch NPT |
| Material |
Stainless Steel |
| Maximum Operating Pressure |
125 PSI |
| Maximum Operating Temperature |
220°F |
What Our Experts Think
-
High-performance 1/40 HP stainless steel circulator pump ideal for potable water and hydronic systems.
-
Stainless steel construction ensures superior corrosion resistance and sanitary operation.
-
Compact, efficient design offers quiet, maintenance-free performance.
-
Perfect for residential hot water recirculation and light commercial use.
Q&A
-
Q: What applications is this pump suitable for?
A: Ideal for potable water, domestic hot water recirculation, and hydronic heating.
-
Q: What are its key specs?
A: 1/40 HP motor, 115V, 3/4" NPT connections, stainless steel body.
-
Q: Is it maintenance-free?
A: Yes, it features a self-lubricating cartridge design for long-lasting, quiet operation.
Maintenance Tips
-
Check for leaks and secure fittings during routine inspections.
-
Ensure system water is clean to avoid scale or corrosion buildup.
-
Test operation at the start of each heating season.
-
Replace the cartridge if reduced flow, vibration, or noise occurs.
