🔴 3260 U.S. MOTORS Hot Water Circulating Pump Motor – 1/3 HP, 1725 RPM, 115V, 48YZ (CCW)
The 3260 Hot Water Circulating Pump Motor from U.S. Motors (Nidec) is a high-quality split-phase motor engineered for demanding hydronic circulation applications. Designed to meet or exceed OEM performance standards, this motor is widely used in commercial and residential boiler systems where reliability and quiet operation are critical.
Finished in signature red enamel for hot water identification, the 3260 delivers smooth startup, low vibration, and long service life. Its resilient mounting design and all-angle thrust sleeve bearing system allow for flexible installation across a variety of circulating pump configurations.
Direct Replacement for B&G 169226 & 169038 / Armstrong 816141-002
✅ Key Features
🟢 1/3 HP (0.33 HP) output for high-demand hot water circulation
🟢 1725 RPM operating speed for consistent system flow
🟢 115V single-phase power (60 Hz)
🟢 48YZ frame – OEM-style hot water circulator configuration
🟢 CCW rotation (reversible if required by application)
🟢 Automatic reset thermal overload protection
🟢 Sleeve bearings with all-angle thrust system
🟢 Resilient hub rings reduce vibration and noise
🟢 Special balance design for whisper-quiet operation
🟢 Class B insulation & ODP enclosure for mechanical room durability
🟢 Red paint finish indicates hot water system use
🟢 Matches OEM mechanical and performance features
📊 Specifications Table
| Specification | Details |
|---|
| Part / Catalog Number |
3260 |
| Model Number |
S55JXTJM-7912 |
| Horsepower |
1/3 HP (0.33 HP) |
| Speed |
1725 RPM |
| Voltage |
115 VAC |
| Phase / Frequency |
Single-Phase / 60 Hz |
| Frame Size |
48YZ |
| Enclosure |
Open Drip-Proof (ODP) |
| Rotation |
CCW (Reversible) |
| Service Factor |
1.3 |
| Insulation Class |
Class B |
| Bearings |
Sleeve bearings, all-angle thrust |
| Ambient Rating |
40°C / 104°F |
| Thermal Protection |
Automatic reset |
| Finish |
Red (hot water rated) |
🔁 Cross Reference Table
| Brand | Part Number |
|---|
| Bell & Gossett |
169226 |
| Bell & Gossett |
169038 |
| Bell & Gossett |
903578 |
| Bell & Gossett |
M80027 |
| Armstrong Fluid Technology |
816141-002 |
| Nidec / Emerson |
S55JXTJM-7912 |
⚠️ Common Symptoms This Motor Fixes
-
Circulator pump not running
-
Motor overheats or trips overload
-
Excessive vibration or noise
-
Weak or inconsistent hot water flow
-
Motor failure in continuous-duty systems
-
Aging or discontinued OEM motors
❓ Frequently Asked Questions (FAQ)
Q: Is the 3260 a direct OEM replacement motor?
A: Yes. It is designed to match OEM frame size, shaft configuration, electrical ratings, and performance of the listed replacements.
Q: Is this motor suitable for hot water systems?
A: Yes. The red finish, Class B insulation, and bearing system are specifically intended for hot water circulating pump applications.
Q: What rotation does this motor use?
A: The motor is CCW as configured, and the split-phase design allows rotation reversal if required by the pump.
Q: Does this motor include overload protection?
A: Yes. An automatic reset thermal overload protector is built in to prevent damage from overheating.
Q: Can this motor be mounted in different orientations?
A: Yes. The all-angle thrust sleeve bearings allow for flexible mounting positions.
🧭 Shopping Tips
-
✔️ Verify 48YZ frame size and shaft dimensions before ordering
-
✔️ Confirm 115V single-phase power availability
-
✔️ Match horsepower and RPM to the original motor
-
✔️ Designed for hot water circulating pumps only
-
✔️ Professional installation recommended
