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NL8300170A
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Water boiler and heat exchanger for domestic supply - heat control unit monitors temp. of cold water feed to heat exchanger
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CH627294A5
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Constant fluid-flow controller
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DE2804048A1
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Actuator for piezoelectric burner igniter - comprises cam on disc to lift lever to compress and release igniter when turned
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JPS5337917A
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Gas valve
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CH618511A5
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Calorimeter.
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DE2713387A1
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HEATING SYSTEM
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DE2707750A1
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Constant fluid flow regulator - has deformable plug that changes in size to vary flow cross-section as pressure changes
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NL7700974A
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Completely closed without membrane operating expansion vessel for a heating installation.
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DE2658710A1
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Heat transfer measuring device for central heating system - produces signal dependent on temp. difference between two pipes and measured rate of flow
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DE2658709A1
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Solar heat collector control circuit - has timer starting pump at adjustable intervals for measurement purposes
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DE2656580A1
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Exhaust flow control unit for geyser - has sequentially operated base with full load stack valves and controlling fuel supply
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DE2655513A1
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Heat transfer regulator in district heating system - regulates heat transfer station heat exchanger by existing temp. sensors
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CH596606A5
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Electrically heated continuous flow heater
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DE2643716B1
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Storage tank consisting of individual cells for a fluid medium to be heated
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DE2642759A1
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Temp. dependent regulating valve - has solenoid valve controlled by operation amplifier with RC time constant stage
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DE2642483B1
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Gas valve for gas water heater - has cylindrical part with seatings for both safety valve and main burner valve
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JPS5235337A
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Burner
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JPS5216838A
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Central heating system
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DE2632668B1
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Fuel burner control for central heating system - has diode net work to control voltages in rated value branch of a measurement bridge
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DE2631809A1
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Heat meter for heating systems with calibration circuit - uses thermistors and switched reference resistors with logic control
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