Overview
The TPI Corporation P3P5503T is a 5500 Series Washdown Fan Forced Unit Heater engineered for industrial environments where moisture, corrosion, and demanding washdown conditions are present. Rated at 3.3 kW and 480V 3-phase, this unit delivers consistent, efficient heat output through a fully stainless steel housing and NEMA 4X watertight control panel, making it a trusted choice for food processing, manufacturing, and other washdown-intensive applications.
Features
- 304/316 stainless steel element housing, outlet grill, louver assembly, inlet grill, and fan guard for full corrosion resistance
- Rotating outlet grill and louver assembly for adjustable discharge air direction
- Totally enclosed, permanently lubricated motor designed to resist moisture and corrosion
- Aluminum fan blade with powder-coated epoxy finish
- 304/316 stainless steel heating element with helically attached stainless steel fins for even heat transfer
- Nickel-chromium resistance wire embedded in compacted dielectric for efficient heat transfer
- Non-metallic NEMA 4X control panel — watertight and dust-tight
- Factory-mounted and wired controls: terminal block, 24V transformer, high-temperature limits, contactor, and fusing per NEC
- Three-position switch (Off-Heat-Fan) on side of control panel for external access
- Pilot light indicates power-on status for operator safety
- Door interlock disconnect switch factory-mounted and wired
- Automatic reset thermal cutout and capillary thermostat with stainless steel sensor
- Formed 304/316 stainless steel combination wall/ceiling mounting bracket included
- Optional wall-mounted NEMA 4X thermostat available
Specifications
| Specification | Value |
|---|---|
| Manufacturer Model Number | P3P5503T |
| Power Output | 3.3 kW |
| BTU Output | 11,200 BTU/hr |
| Voltage | 480V |
| Phase | 3-Phase |
| Amperage | 4 A |
| Grill Size | 12 in |
| Unit Length | 12 in |
| Enclosure Material | 304/316 Stainless Steel |
| Control Panel Rating | NEMA 4X (Watertight, Dust-tight) |
| Motor Type | Totally Enclosed, Permanently Lubricated |
| Fan Blade Material | Aluminum with Powder-Coated Epoxy Finish |
| Thermostat Type | Capillary with Stainless Steel Sensor |
| Thermal Cutout | Automatic Reset |
| Mounting | Wall/Ceiling Combination (Stainless Steel Bracket) |
| UPC | 68633471309 |
| Country of Origin | United States |
| ECCN | EAR99 |
| UNSPSC | 40101809 |



