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About This Product
■“Drain tap” water drain mechanism
When you close the handle of the drain valve, water is shut off on the front side (primary side) of the drain valve. At the same time, drain the water from the drain valve into the soil (secondary side) and empty the pipe. The drain valve is installed below the freezing depth so that it will not freeze even in winter, so the drained water will not freeze. In addition, the backflow prevention function prevents discharged water and muddy water from entering the water supply pipe.
■“Anti-freeze faucet pillar” water drainage mechanism
When you close the drain handle and open the faucet, air enters the riser pipe. When air enters the riser pipe, the water inside the pipe falls downward, and the water is discharged into the unfrozen soil below the freezing depth. This eliminates water in the pipes, eliminating the risk of freezing. Furthermore, due to the backflow prevention function, there is no need to worry about discharged water or muddy water from the soil entering the water supply piping.
■“Water drain valve/hot water drain valve” water drain mechanism
Prevent freezing by operating the water drain valve and hot water drain valve. First, when you close the water drain valve, the water supply to your home will stop. After confirming that the water supply has stopped, operate the hot water drain valve. The normally closed ``stop'' of the hot water pipes will open and the hot water in the pipes will be discharged. After that, when you open all the faucets in your home, air enters the riser pipes and water/hot water is forced out into the soil. This is ``removal of water'' and ``removal of hot water.''
This operation empties the water/hot water in the rising pipe, leaving water/hot water only in the warm, unfrozen parts of the soil (below the freezing depth), thereby preventing freezing. Furthermore, the backflow prevention function prevents discharged water and muddy water from entering the water supply pipes.
■“Hot water integrated drain valve” water drain mechanism
You can drain water and drain hot water at the same time with one bottle. Close the integrated water drain handle. After that, when you open all the faucets in your home, air enters the riser pipes and pushes out the water and hot water inside the pipes. This is ``removal of water'' and ``removal of hot water.''
This operation empties the water/hot water in the pipes, leaving water/hot water only in the warm, unfrozen areas of the soil (below the freezing depth), thereby preventing freezing. Furthermore, the backflow prevention function prevents discharged water and muddy water from entering the water supply pipes.
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Product
Hot water tap GTW series
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