55529 H.B. Smith Induced Blower Assembly (No Flapper)
For GV100 Series Boilers
🔍 Product Overview
The H.B. Smith 55529 Induced Blower Assembly is a genuine OEM replacement designed specifically for GV100 Series boilers.
This blower ensures proper combustion air flow and exhaust management, maintaining optimal burner performance and efficiency.
Built for reliability and quiet operation, this motor-driven assembly helps sustain efficient combustion while minimizing maintenance requirements.
🌟 Key Features
✅ Genuine OEM H.B. Smith replacement part
✅ Designed for all GV100 Series boilers
✅ Operates at 115V AC, 60Hz
✅ Reliable 3000 RPM motor speed
✅ Compact, efficient, and maintenance-free design
✅ “No Flapper” configuration for simplified installation
⚙️ Technical Specifications
| Specification | Details |
| Part Number |
55529 |
| Brand |
H.B. Smith |
| Description |
Induced Blower Assembly (No Flapper) |
| Application |
GV100 Series Boilers |
| Motor Manufacturer |
Fasco |
| Motor Type |
U21B Series |
| Voltage |
115 VAC |
| Frequency |
60 Hz |
| Current Draw |
1.0 Amps |
| RPM |
3000 |
| Insulation Class |
Class B |
| Flapper Included |
No |
| Rotation |
CW (Clockwise) |
| OEM / Aftermarket |
Genuine OEM Replacement |
🧰 Common Symptoms of a Failing Induced Blower
-
Boiler fails to start or lockout occurs
-
Loud or irregular blower noise
-
Weak or no airflow during pre-purge
-
Combustion issues or poor ignition
-
Boiler shuts down unexpectedly
❓ Frequently Asked Questions (FAQ)
Q1: Which boilers does this blower fit?
➡️ All H.B. Smith GV100 Series boilers.
Q2: Does it include a flapper?
➡️ No, this model is the “No Flapper” version.
Q3: Is it an OEM replacement?
➡️ Yes, it is a genuine H.B. Smith OEM assembly.
Q4: Can I replace just the motor?
➡️ The motor can be replaced separately if it matches the original Fasco U21B specifications, but a full assembly swap ensures best reliability.
🛒 Shopping Tips
✅ Always verify your boiler’s model number (GV100 Series) before ordering.
✅ Replace the blower assembly if the motor becomes noisy, fails to start, or airflow weakens.
✅ Consider replacing the pressure switch if the blower is being replaced due to operational failure.
✅ OEM assemblies ensure the best fit, performance, and lifespan.