🚀 go-pugleaf

In article <1993Jan6.230313.1091@cmkrnl.com> jeh@cmkrnl.com writes:
>In article <C0Eoqw.5Dq@techbook.com>, philb@techbook.com (Phil Biehl) writes:
>> Hi. In examining my hydronic (hot water basboard) furnace, I find that
>> it is divided up into three zones. What I'd like to do is put in
>> electrically operated valves that controlled via a microcontroller and
>
>I don't know about the "7/8 copper piping" part, but one good source for 
>solenoid-operated valves is your local home improvement store, in the 
>plumbing department.  They're sold for timer-operated lawn sprinkler systems.
>The coils are either 12 or 24 V AC -- I forget which.  They would probably 
>work on DC as well. 
>

I'd be VERY carefull trying to use plastic sprinkler valves in a hydronic
system. Sprinkler valves are designed for high pressure - low temperature.
Hydronic valves are designed for low pressure - high temperature. It might
work fine but I wouldn't want to leave the house the first several days
the valve is in use.

John


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