The reviews are automatic translation.
Used for solar water heater
On 2017-07-15 19:42:29
Because it is equipment of 20 years ago, there are valves that are out of stock at manufacturers and it is saved.
Injection of chemicals, air purge at stop
On 2017-05-07 19:41:57
At the time of switching, it was saved that the display circuit for each position signal is attached to the standard. In the future, if there is a function (dry contact output) that can be used in the control circuit, it will be helpful because mutual interlock can be assembled.
On 2016-11-17 19:14:36
I liked the feeling that it surely switches at the changeover switch ON.
On 2016-03-11 22:06:58
Although we switched piping manually until now, it is satisfying as we can switch easily with this product
Maintaining the temperature of the bath
On 2015-12-18 14:05:22
Although I have used this product many times, it is cheap and I appreciate it.
We use it to raise the temperature of the bath.
On 2015-01-20 13:32:21
When used with antifreeze, the old product may leak from the valve part. ◎ Durability of the ring? Although it leaked about 2 years ago, ◎ changed the ring to fluorine and used it. It seems that the mechanical section is broken this time, but since it was able to be used for nearly 10 years or so, I purchased the equivalent item again. This time too ◎ replacing the ring with fluorine and it seems normal operation, ◎ exchange of the ring is self-responsibility, but ...
Switch between oil water heater and solar water heater
On 2014-08-04 08:05:13
Switching frequency is low, but switching is best for long time use in that state. Compared to general solenoid valves, continuous energization is not possible and reliability is high.
Water heater construction
On 2014-04-25 21:39:08
The sound is quiet, the switching time is short, it can be used comfortably without getting out of the water hammer.
Used for switching between a water heater and a boiler in a bath
On 2013-11-08 14:45:14
We are using it to switch between water heater line and boiler. Easy operation, very useful. I thought of a manual valve, but made it an automatic valve which can be switched by one switch.
On 2013-11-08 13:41:24
The price is cheap, and the operation is also no problem. I think that it is a perfect product for automation.
Water heater switching
On 2013-08-05 15:45:13
Since the motor part became a horizontal position with respect to the piping line, there was anxiety about the waterproof somewhat.