Wall installation box for electrical, sanitary and heating equipment and installations
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Method for controlling space heating and cooling has an additional control valve for regulating cooling flow to heat exchanger
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Control system for underfloor heating
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Holder for spiral-bound calendar comprises profiled strip which slides over binding and has aperture in center, allowing calendar to be hung up
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Air conditioning device, for fitting indoors, includes one or more heat exchangers for heating and cooling and for circulating air indoors by heat radiation and/or convection
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Rotating valve sphere in on=off valve - provides filter location in transfer hole for removal of solid matter from fluid
