| 摘要 |
A circulating pump with a mixer valve combined to form an apparatus especially for hot-water and heating installations, wherein the pump drive is utilized also for the automatic control of the mixer valve. The mixer unit is locked in specific positions by a remote-control unlatching device either by a likewise remote-controlled synchronizing device in engagement with the pump impeller making this possible over one rotation, or this is effected by a hydromechanical coupling whereby liquid raised through the pump is put into a rotary motion.
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