FURNACE MOTOR 115V 1/4 HP 3-SP is a 115-volt furnace blower motor rated at 1/4 horsepower with 3 operating speeds, used in HVAC air handler and furnace systems.
🔧 What it is
- Voltage: 115V
- Power: 1/4 HP (horsepower)
- Speed configuration: 3-speed motor
- Type: typically a PSC (Permanent Split Capacitor) blower motor
- Function: drives the furnace blower fan
⚙️ What it does
- Spins the blower wheel inside a furnace or air handler
- Moves heated or cooled air through ductwork
- Different speed taps allow airflow adjustment for:
- Heating
- Cooling
- Fan-only operation
1/4 HP
🧱 Key features
- Standard 115V residential HVAC motor
- Multi-speed wiring leads (3 selectable speeds)
- Usually reversible rotation (CW/CCW depending on wiring)
- Requires a matching run capacitor in most PSC designs
- Shaft-mounted blower wheel connection
🏗️ Typical applications
- Residential gas furnaces
- Air handlers
- HVAC blower assemblies
- Replacement furnace motors
- Small commercial heating systems
🧠 Simple explanation
It’s basically the electric motor that turns the fan inside a furnace so air can move through the heating and cooling system.
💡 What “3-speed” means
The motor has multiple selectable airflow speeds:
- Lower speed → quieter / lower airflow
- Higher speed → stronger airflow
- HVAC techs wire different speeds depending on system needs
