The TPI 3420 & 3450 Series Heavy-Duty Fan-Forced Wall Heater is a powerful heater that is perfect for commercial and industrial use. It features a manual reset thermal limit switch that controls electric flow in response to changes in temperature. This TPI wall heater offers double or 3-pole built-in tamper proof thermostat that has a range of up to 165 °F.
This TPI fan-forced wall heater utilizes a permanently lubricated, shaded-pole motor that comes with a unit bearing. Also, it offers impedance protection which protects the motor from overheating and overloading. The 3420 & 3450 Series is equipped with a propeller-type fan blade that provides a speed of 1,400 revolutions per minute (RPM) and velocity of 245 cubic feet per minute (CFM).
The TPI fan-forced wall heater has a rough-in size of 19.38” H x 14.25” W x 4.25” D and a grill size of 21.47” H x 17.44” W. Plus, it features a corrosion resistant steel tubular element with brazed steel fins that ensures long life. As an additional feature, this TPI heavy-duty heater boasts a powder-coated bar stock steel tamperproof grille that includes an extruded Aluminum frame and 16 gauge housing.
Please Note: The 3420 & 3450 Series requires a wall box that is sold separately. It may be ordered early for rough-in purposes. Also, please contact our customer service for the available custom colors.
Configuration Options
The TPI 3420 & 3450 Series Heavy-Duty Fan-Forced Wall Heater has 40 available models that have varying packages, watts, volts, and phase. Please choose from the drop-down menus above.
- Package: With Contactor Only or With Contactor, Transformer & Circuit Breaker
- Wattage: 2,000 W, 3,000 W, 4,000 W, or 5,000 W
- Voltage: 208 V, 240 V, or 277 V
- Phase: 1 or 3 Phase
| Model | Wattage | BTUs | Volts | Amps | Rough-In Dimensions | Grill Dimensions |
| 3420 Series | 2,000 | 6,826 | 208 V
240 V
277 V | 9.6 / 5.6
8.3 / 4.8
7.2 | 19.38” H x 14.15” W x 4.25” D | 21.47” H x 17.44” W |
| 3,000 | 10,239 | 208 V
240 V
277 V | 14.4 / 8.3
12.5 / 7.3
10.8 | 19.38” H x 14.15” W x 4.25” D | 21.47” H x 17.44” W |
| 4,000 | 13,652 | 208 V
240 V
277 V | 19.2 / 11.1
16.7 / 9.6
14.4 | 19.38” H x 14.15” W x 4.25” D | 21.47” H x 17.44” W |
| 5,000 | 17,065 | 208 V
240 V
277 V | 24 / 13.9
20.8 / 12
18.1 | 19.38” H x 14.15” W x 4.25” D | 21.47” H x 17.44” W |
| 3450 Series | 2,000 | 6,826 | 208 V
240 V
277 V | 9.6 / 5.6
8.3 / 4.8
7.2 | 23.06” H x 14.25” W x 4.25” D | 25.03” H x 17.44” W |
| 3,000 | 10,239 | 208 V
240 V
277 V | 14.4 / 8.3
12.5 / 7.3
10.8 | 23.06” H x 14.25” W x 4.25” D | 25.03” H x 17.44” W |
| 4,000 | 13,652 | 208 V
240 V
277 V | 19.2 / 11.1
16.7 / 9.6
14.4 | 23.06” H x 14.25” W x 4.25” D | 25.03” H x 17.44” W |
| 5,000 | 17,065 | 208 V
240 V
277 V | 24.03 / 13.9
20.8 / 12
18.1 | 23.06” H x 14.25” W x 4.25” D | 25.03” H x 17.44” W |