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The LHS 21 air heater provides the same power as its predecessor in a smaller package. Offering 1.0-3.3 kW of heating power this tool can provide hot air at temperatures of up to 650°C. The Leister line of LHS air heaters are suitable for building into machines, installations or appliances and are designed for continuous operation.
- Compact for installation into machines or other tight spaces
- Reliable, patented heat element protection
- Low maintenance costs
- Designed for continuous operation
- Standard control interface for easy integration into existing controls
- Available in three types:
CLASSIC: for permanent full heat capacity; passive overheat protection
PREMIUM: for manual adjustment of the heating power; active overheat protection
SYSTEM: for manual closed-loop adjustment of the temperature or external control; active overheat protection; various operating modes possible
Click here for more information about the different types of LHS tool
Recommendations
- It is recommended that a Leister brand blower be used to supply this tool with air
- Minimum air flow requirements must be adhered to, failure to do so may result in damage to the tool
- For help choosing the correct heater and blower combination please contact your sales representative
Why Buy From Us
The LHS 21 Air Heater is available in Canada only through STANMECH and its distributor network. Tools bought through us are electrically certified for use in Canada. In many cases this entails replacing cords or switches in the tool to meet stringent CSA standards. Each tool is physically inspected by an approved field inspector prior to certification. We service everything we sell from our facility in Burlington, Ontario, Canada.
Technical Data
| Type | 21S | 21L | |
| Voltage | V | 120, 230 | 230 |
| Frequency | Hz | 50 / 60 | 50 / 60 |
| Power Consumption | kW | 1.0, 2.0 | 3.3 |
| Min. air flow | l/min | 120 | 240 |
| Max. air pressure | kPa | 100 | 100 |
| Max. outlet temp. | °C | 650 | 650 |
| Max. inlet temp. | °C | 65 | 65 |
| Noise level | dB | <70 | <70 |
| Size (L x W x H) | mm | 236 x 67 x 71 (21S) 266 x 67 x 71 (21L) |
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| Heater tube | mm | Ø 36.5 | Ø 36.5 |
| Weight | kg | 0.5 | 0.6 |
| Approval markings | CE, QPS | CE, QPS | |
| Electrical protection | Class II | Class II | |
Part Numbers
| CLASSIC | PREMIUM | SYSTEM | |
| LHS 21S - 1.0kW / 120V | 139.868 | 140.454 | 140.458 |
| LHS 21S - 1.0kW / 230V | 139.869 | 140.455 | 140.459 |
| LHS 21S - 2.0kW / 120V | 139.870 | 140.456 | 140.460 |
| LHS 21S - 2.0kW / 230V | 139.871 | 139.909 | 139.910 |
| LHS 21L - 3.3kW / 230V | 139.872 | 140.457 | 140.461 |
Accessories
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125.316 | Flange connector, push-fit, a = 62 mm |
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107.251 | Extension nozzle, push-fit (a x b), 210 x 36.5 mm |
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107.003 | Round nozzle Ø 12 mm, right angled, push-fit |
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107.261 108.078 105.982 |
Wide slot nozzle, push-fit, for LHS 21 70 x 4 mm 100 x 4 mm 150 x 4 mm |
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107.308 107.309 |
Sieve reflector, push-fit 35 x 50 mm 20 x 35 mm |
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107.314 | Spoon reflector, 25 x 30 mm, push-fit |
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107.319 | Sieve reflector, Ø 65 mm, push-fit |
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106.132 | Shell reflector, 150 x 25 mm, push-fit |
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133.515 | Thermocouple holder |
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144.037 | Compressed air connection |
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143.480 142.230 |
Adapter plates for LHS 21 replacing LE 3000 for LHS 21 replacing LHS 20 |
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149.942 | Round nozzle for LHS 21 |
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150.098 | Air inlet reduction valve for LHS 21 |
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150.194 150.193 |
Heater tube with protection tube For LHS 21L For LHS 21S |
