to replace a fill valve.
First turn the water to the boiler off.
In some cases you may need to drain the boiler.
If you do. Make sure the power to the boiler is off
If you have Anti freeze in your system, "Call a Professional".
Click on any Picture to see a
The Fill Valve in this picture
does not work at all the boiler
has 2 psi in it it needs to be
The valve before the fill valve
has no handle so I am going to
replace that too.
The water is off and the power
is off and the boiler is
drained. With two wrenches one
to hold the fill valve from
moving and the other
to loosen the brass nut just
push the nut to the side like in
the picture Now with the two
wrenches one on the fitting to
the left of the fill valve and
the other on the fill valve un
screw the fill valve from the
This is what the inside if the fill valve looked like too. completely full of rust
Put some pipe dope or tape on the threads of the fitting you removed the old fill valve from and screw the new fill valve on the fitting Make sure you use
two wrenches go one full turn past hand tight.
Now lets get rid of that bad valve I know that most people are afraid of soldering so
I am replacing this one with a compression ball valve instead of soldering a new valve in
So first we cut the pipe on both sides of the valve. I made sure I had the main valve off first.
This is what the valve looks like notice the nut and the ring.
After you cut off the old valve clean the end of the copper with sand cloth. then slide one of the nuts over the pipe.
Then slide the compression ring over the pipe.
Then Slide the valve on to the pipe. I like to put a little pipe
dope on the ring. The manufacturer says not to But I do anyway.
Then with two wrenches I tighten the nut Make sure it is good and tight, But not
so tight you crack the nut.
On the left side of the valve I used a 1/2" female Iron pipe
size x male copper fitting adaptor The male copper end fits into the other side
of the ball valve
then I used a 1/2 brass nipple to make up the difference. The whole job
was done with out the need of any soldering.
Don't forget to put the washer in and tighten the nut. Now you need to