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HL 101 Thermal Expansion Training Panel Investigating the thermal expansion of different pipe sections (PVC, PE, copper, steel)
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HL 104 Temperature Measurement Training Panel Investigation of 4 different temperature measuring techniques in the range from 0...60°C
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HL 102 Pipe Friction Training Panel Measurement of the difference in pressure on 4 pipe section of the same lengths and different materials
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HL 113 Losses in Valves and Fittings Training Panel Pressure loss at standard fittings: ball valve, angle seat valve, straight-way valve, shut-off gate valve
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HL 103 Fitting Loss Training Panel 4 different measuring sections, 10 elbows / bends
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HL 111 Fluid Friction Training Panel Friction loss in open pipes; measurement of hydrostatic pressure, pressure variations in flowing fluids and differential pressure
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HL 210 Losses in Pipe Systems and Fittings Demonstration of friction loss in pipe constrictions, elbows, bends, valves and fittings
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HL 105 Three-Way Mixing Valve Training Panel Effect of mixing ratio on feed flow or circulating flow temperature
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HL 106 Four-Way Mixing Valve Training Panel Effect of the mixing ratio on feed and circulating flow temperature
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HL 107 Circulating Pumps Training Panel Series and parallel operation of 2 pumps
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HL 110 Expansion Vessel Training Panel Displacement volume of an expansion vessel as a function of the pressure
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HL 109 Safety Devices Training Panel Function of safety devices
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HL 112 Radiator Training Panel Radiators in a heating system
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HL 108 Domestic Heating Circuit Training Panel Model of a central heating system
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HL 305  Hydronic Balancing of Radiators Balancing of a heating system: three heating subcircuits with radiators, thermostatic valves and a circulating pump
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HL 620 Domestic Heating System Control Training Panel Operation of a modern heating controller
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HL 630  Efficiency in Heating Technology Basic principles of heating technology with PC learning support
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ET 202  Principles of Solar Thermal Energy Demonstration model of a solar thermal system
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HL 313  Domestic Water Heating with Flat Collector Conversion of solar energy into heat
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HL 300 Central Heating System Function and operating behaviour of a modern heating system with digital heating controller
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HL 353 Hot Water Generator Set-up of a complete domestic heating system together with HL 353.01 and/or HL 353.02
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HL 353.01 Comparison of Different Heating Types 2 independent heating circuits: floor heating / forced convector with fan, 2 radiators
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HL 353.02 Heat Distribution and Control in Heating Systems 2 independent heating circuits: heating circuit with 1 riser / heating circuit with 2 risers
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HL 350 Oil Burner Demonstrator Boiler with viewing windows for observing the flame
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HL 351 Domestic Heating Boiler Boiler with oil burner
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HL 352 Domestic Water Heating System Trainer for gas, oil and combination burners
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HL 860 Exhaust Gas Analyser Easy to operate gas analysis device
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HL 360 Oil Tank Safety Trainer Trainer on heating oil storage in tanks
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HL 392C Safety & Control in Heating Systems Function and operating behaviour of: safety valve, quick-action ventilating valve, safety pressure cut-out, thermal discharge safety device, thermostatic valve, temperature controller, air separator, flow switch
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HL 510 Domestic Gas Supply Training Panel Exercises on gas pipes
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HL 500 Instantaneous Gas Heater Methods of gas burner adjustment, fault simulation
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HL 358 Forced Air Gas Burner Training Panel Simulation of gas burner operation
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HL 356 Demo Unit, Gas Burner Electronic simulation of the operation of a forced air gas burner
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HL 530 Training Panel Function of Gas Heater Clearly arranged components of a typical combination boiler; separate circuits for room heating and domestic water heating
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HL 710 Air Duct Systems Planning and set-up of simple and complex air duct systems
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HL 720 Ventilation System Design and operation of a ventilation system; representation of the pressure curve within the ventilation system
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HL 722 Control Unit for Ventilation System Temperature control unit for ventilation system HL 720
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