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HEATING SYSTEMS AND EQUIPMENT
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Absorption Refrigerator adjustment air conditioning alternating current ammonia appliances armature automatic balance wheel battery boiler bolt brush called carbon chief kinds circuit circulation clean clock coal coil compression compressor condenser conditioner connected consists cooling unit coupled crank-case cylinder damper dehumidifier diagram direct current disk duct dynamo electric motor Electrolux engine evaporator faucet filament filter fixed flame flows flush formed fuel mixture furnace gasoline gears heater heating element heating unit hot water hot-water humidistat induction motor inlet iron kerosene lamp lastly latter lever liquid magneto Mazda mechanical metal needle operation outlet pipe piston plates pressure pump radiator refrigerator repulsion motor rotating screw septic tank Servicing shaft shown in Fig single-phase siphon smoke pipe stator steam stove stroke suction supply switch tank temperature thermostat trap troubles tube turn usually valve voltage watts wheel winding windmill wire