Duct Air Heater - No Control
Circular Duct Air Heaters comprising of electric resistance elements, mounted in a pregalvanised steel casing. Every heater is fitted with a high temperature safety cut out operating at 120°C complete with push button manual reset.
Available in 100, 125, 150, 200, 250, 315 and 400mm diameter sizes. The air velocity across the heater elements must be greater than 2m/s and installed a minimum distance of one metre from the exhaust outlet of the fan unit. All fans supplying heaters above 6 kW should be fitted with an off-delay timer to dissipate any residual heat when the system is shut down.
Duct heaters must be used in conjunction with a fan heater controller and a temperature thermostat (room or duct) and an air pressure/flow switch.
DIMENSIONS:
| Diameter | kW | Stages | Phase | Amps | Stock Ref No |
| 100mm | 0.75 | 1 | 1 | 3.3 | 10531100 |
| 125mm | 1.0 | 1 | 1 | 4.4 | 10531125 |
| 150mm | 1.5 | 1 | 1 | 6.5 | 10531150 |
| 200mm | 2.0 | 1 | 1 | 8.7 | 10531200 |
| 250mm | 3.0 | 1 | 1 | 13.1 | 10531250 |
| 315mm | 4.5 | 1 | 1/3 | 14.6 | 10531315 |
| 400mm | 9.0 | 1 | 1/3 | 39.1 | 10531400 |
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ESTIMATED RUNNING COSTS
Calculate estimated running costs for this product using the tool below.
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Where a product has multi speeds, a typical installation has been used for the below calculations. *Running cost does not include the use of the heater on the heater model
Based on the inputted figures, estimated running costs would be:
Overview
Circular Duct Air Heaters comprising of electric resistance elements, mounted in a pregalvanised steel casing. Every heater is fitted with a high temperature safety cut out operating at 120°C complete with push button manual reset.
Available in 100, 125, 150, 200, 250, 315 and 400mm diameter sizes. The air velocity across the heater elements must be greater than 2m/s and installed a minimum distance of one metre from the exhaust outlet of the fan unit. All fans supplying heaters above 6 kW should be fitted with an off-delay timer to dissipate any residual heat when the system is shut down.
Duct heaters must be used in conjunction with a fan heater controller and a temperature thermostat (room or duct) and an air pressure/flow switch.
Technical
DIMENSIONS:
| Diameter | kW | Stages | Phase | Amps | Stock Ref No |
| 100mm | 0.75 | 1 | 1 | 3.3 | 10531100 |
| 125mm | 1.0 | 1 | 1 | 4.4 | 10531125 |
| 150mm | 1.5 | 1 | 1 | 6.5 | 10531150 |
| 200mm | 2.0 | 1 | 1 | 8.7 | 10531200 |
| 250mm | 3.0 | 1 | 1 | 13.1 | 10531250 |
| 315mm | 4.5 | 1 | 1/3 | 14.6 | 10531315 |
| 400mm | 9.0 | 1 | 1/3 | 39.1 | 10531400 |
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