Re: heater valves

[David Ritter <dritter@mich.com>]

Huw Powell writes:

 > [As I look into this piece, with the valve shut, there is no aperture. 
 > there is a reddish piece of plastic across the middle of the approx. 1
 > cm dia pipe.  As the valve is opened a tiny hole appears and moves
 > across the edge of the pipes circumference, widening as it goes.  It is
 > followed by a 2 more slightly larger holes doing the same thing one
 > after the other, and then finally the final edge of this complex baffle
 > piece comes into view - and at the end of the operating levers stroke, a
 > piece of this baffle still blocks about 1/6-1/4 of the pipes cross
 > sectional area.]
 > 
 > or skip the wordiness - when its 100% open, it ain't!
 > 
 > As someone with inadequate heat I have to wonder why this is.  Anyone
 > know?
 > 

BTST, hacked it, didn't help...

What I mean to say is, I found the same thing on a new heater valve,
got out a dremel and went to work on it. I managed to avoid destroying 
the silly thing and I still don't get enough heat. I know that I
increased the flow, but it didn't do anything noticable.
I'm guessing that what I really need to do is to tear down the
ventilation system next summer and fix all the leaky seals and
such. While I'm at it, I think I'll try hacking the fresh air to the
center vents thing to reduce the cold coming in there too.
Next summer is still a long way off though.

David